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- Marcus
S-Class (W222/C217/A217) [Official] Mercedes-Benz S-Class (W222)
- Thread starter omoderncultureo
- Start date
The Mercedes-Benz W222 is the sixth generation of the Mercedes Benz S-Class. Body styles: W222 (standard), V222 (long), X222 (limousine, Mercedes-Maybach), VV222 (pullman), C127 (coupé), A217 (convertible). Predecessor: S-Class (W221). Successor: S-Class (W223). Production: 2013–2020.
hoffmeister_fan
Kraftwagen König
- Messages
- 11,278
what color was that metallic gray that was on display? Magnetite Black?
EDIT
Either this or dark blue. Like a well tailored suit.
EDIT
Either this or dark blue. Like a well tailored suit.
- Messages
- 11,212
LOL Americans and the hated horn. Can't you guys disable it via the menu in the instrument cluster? On Australian spec vehicles the horn confirmation for the alarm can be enabled or disabled via the 'convenience' menu.
HighestOfHigh
Cornering Kingpin
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- 9,346
- Name
- Ben
All A8 vs 7 vs S vs Bentley vs Rolls-Royce vs Porsche vs everyone in the luxury market posts have been moved to http://www.germancarforum.com/commu...battle-s-class-7-series-a8-xj-ls.48990/page-5.
Dawid21
Autobahn Adventurer
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- 841
Oh, yes
more pics :-D
HighestOfHigh
Cornering Kingpin
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- Ben
Full Press Release
*Preliminary European product information.
Please refer to U.S. press materials for U.S. model information.
The descriptions and information in this press kit apply to the international Mercedes-Benz
model range and may vary from country to country.
The aspiration: the best automobile in the world Stuttgart/Hamburg. With the three engineering priorities "Intelligent Drive", "Efficient Technology" and "Essence of Luxury", the new S-Class
extends the boundaries of technology on many levels. The S-Class is not just a technological spearhead for Mercedes-Benz but for automotive development as a whole.
As with every generation before it, the customers expect the new S-Class to set standards across the board to retain its accolade as "the best automobile in the world". Dr Dieter Zetsche, Chairman of the Board of Management of Daimler AG and Head of Mercedes-Benz Cars:
"Rather than being about safety or aesthetics, power or efficiency, comfort or dynamism, our aspirations were 'the best or nothing' in every respect. No other car stands for the Mercedes-Benz brand promise more than the S-Class."
Perfection to the last detail results in "The Essence of Luxury". This pursuit of the best is particularly noticeable in the interior: whether it is the seats or the air conditioning, the controls or the design, the infotainment or the comfort and safety in the rear – new ideas, their painstaking realisation, and highest perceived quality underpin the high standards that the engineers have set
for the Mercedes-Benz flagship model – and for themselves.
The same applies to safety. What started with PRE-SAFE® ten years ago and continued with DISTRONIC PLUS has now resulted in a new dimension of motoring: comfort and safety are merged into one. Mercedes-Benz refers to this as "Intelligent Drive". A whole host of new systems makes the new S-Class even more comfortable and even safer.
The S-Class is so efficient that it almost sounds utopian: within ten years Mercedes-Benz, by realising "Efficient Technology", has almost halved fuel consumption in the 150 kW output category to 4.4 litres per 100 kilometres, for example, while the drag coefficient of the new S-Class (cd=0.24) clearly undercuts the previous model's figure and sets a new benchmark in this segment. Furthermore, the new model is the world's first car to dispense entirely with light bulbs in favour of LEDs, pointing the way ahead once again.
Design: a modern sense of status and sensual shapes
People all over the world can recognise a Mercedes-Benz straight away. The classic Mercedes face runs like a golden thread through the brand's history.
"The sophisticated design of the S-Class has always been an expression of luxury and automotive grandeur of its era. And our new S-Class continues this tradition. With its classic architecture and flowing silhouette, it is a modern embodiment of sensual clarity. The design draws a line from the sophisticated, progressive design idiom to the classic elegance of our 1930s cars – intelligence that speaks to the emotions. Stylish sportiness and sensual forms in synthesis with timeless clarity and effortless superiority make the S-Class a true design icon," says design chief Gorden Wagener.
To underline the effortless superiority of the new S-Class, and its ambition to lead, the radiator grille is now larger, upright and distinctly three-dimensional in design. With its long bonnet, the flowing, domed roof line and the gently slanting rear end, the new S-Class has classic saloon proportions. The size and space have been fashioned in such a way that the S-Class appears prestigious, and the powerful roof line is also in keeping with the car's sporty coupé-style intentions.
A character line descending discreetly from front to rear – the brand's hallmark "Dropping Line" – elegantly structures the side wall and generates additional dynamism even when the car is at a standstill. The subtly created convex-concave effect of the entire flank gives rise to an extremely powerful and elongated car body that demonstrates both excitement and calm. The pronounced shoulder above the rear wheel adds further emphasis to the car's athletic character.
The positively exaggerated surfaces and lines of the side wall on the new S-Class generate excitement as they flow into the rear end. As well as being elegant, the slightly slanting form has aerodynamic advantages. Horizontal lines running from the boot lid to the bumper emphasise the car's width when viewed from the rear. The hallmark signature of the Mercedes-Benz designers
can also be seen in the rear windscreen, which cuts into the C-pillars. The upper area of the glass is rounded, lending it a coupé-like character. The real highlights are the new-style tail lights which are completely encased by the car body and, thanks to this solitarily integrated styling and meticulously crafted inner workings, complete the design right down to the last detail.
LED technology: the first ever car without a single light bulb
100 years or so after the introduction of electric lighting in motor vehicles, Mercedes-Benz is now making a complete switch to LED technology – the new S-Class is the first vehicle in the world whose interior and exterior do without a single light bulb, and sees Mercedes-Benz building on its pioneering role in the lighting sector. The lighting's multi-level functionality is another world first: out of consideration for any road users behind, the intensity of the brake lights is reduced at night or while waiting at traffic lights, for example. Almost 500 LEDs illuminate the road, the vehicle, the interior and the boot. Depending on equipment, these include:
• Headlamps: each with up to 56 LEDs
• Tail lights: each with up to 35 LEDs (plus 4 for the rear fog lamp)
• Interior (including ambient lighting): approx. 300 LEDs
Visibility is enhanced by two assistance systems that have undergone some key improvements – Adaptive Highbeam Assist Plus and Night View Assist Plus. Thanks to a new stereo camera and multistage radar sensors, the S-Class has 360-degree all-round vision and detects potential dangers on the road better.
Suspension: the world's first suspension with "eyes"
The new S-Class is the world's first car to be able to detect bumps on the road ahead. If ROAD SURFACE SCAN detects such unevenness by means of the stereo camera, MAGIC BODY CONTROL instantaneously sets up the suspension to deal with the new situation. This innovative suspension system is available as an option for the eight-cylinder models. Standard equipment for the new S-Class includes the continuously operating Adaptive Damping System ADS PLUS and an enhanced version of the full air suspension system AIRMATIC.
Interior: visual breadth and calm solidity
With its clear architecture, the interior design of the S-Class embodies a classic, superior, cutting-edge saloon. The interior's expressive character derives from a uniquely fluid, sensuously elegant style. Horizontal elements and lines create a setting characterised by visual breadth and calm solidity. High quality and elegance harmonise with clarity and functionality: the interior design of the S-Class combines ride comfort, spaciousness and user friendliness to the very highest standard.
The perfectly coordinated use of materials and colours produces an exclusive interior seemingly cast from a single mould. There is generous use of wood trim, especially in the dashboard and centre console. Metallised switch surfaces with pearl-effect paint finishes in three colour shades to suit the interior colour particularly highlight the outstanding quality.
Passengers in the rear are also seated in first-class – the design and exclusivity of the seats, door panels and all controls are to the same, high standard as the front. As an additional individualisation feature, the "First Class Rear" incorporates a Business centre console combining personal comfort with practical convenience (integration of a telephone handset, additional stowage compartments, folding table, etc.).
Concept: the best for both worldsFor the first time in the history of the S-Class, the development focus was on the long-wheelbase Saloon. Unlike before, the short-wheelbase version was derived from this. This is because the S-Class is not only firmly positioned as a prestige saloon in the large overseas markets such as the USA, China or Japan.
Whereas in Europe and North America owners of an S-Class are frequently behind the wheel themselves, the flagship model in the Mercedes-Benz passenger-car portfolio is very definitely a chauffeur-driven vehicle in Asia.
The logical consequence is the number of new features specifically related to comfort and safety in the rear – in the S-Class, there is no doubt that passengers in the rear are also seated in first class.
The occupants of the new S-Class benefit from the moderate increase in vehicle size1 by an improvement in all the interior dimensions: there are 12 millimetres of extra headroom for the driver, as well as 14 millimetres more shoulder room and 10 millimetres more elbow room in the front. Thanks to the 14-millimetre increase in rear kneeroom, travel becomes even more comfortable for passengers in the rear. Shoulder room in the rear has been improved by up to nine millimetres.
Control and display concept: elegant new command centre
Two high-resolution TFT colour displays in 8:3 format with a screen diagonal of 30.7 cm (12.3 inches) form the new information centre in the S-Class. The left-hand display performs the functions of the previous instrument cluster, providing the driver with all relevant information. The right-hand display allows the convenient control of infotainment and comfort functions. For the new S-Class, the constantly increasing need to integrate additional functions into the vehicle led to a further development of the entire operating logic.
Here ergonomics, operating convenience and safety along with attractiveness and aesthetics were the main considerations.
The aim in designing the control and display features was to group controls and display functions together in a coherent manner in terms of both design and functionality. Apart from the new displays, the metallised switch surfaces and solid aluminium controls are visual highlights of particularly high quality.
(Length/width/height short-wheelbase version: 5116/1899/1483, wheelbase 3035 mm
Length/width/height long-wheelbase version: 5246/1899/1483, wheelbase 3165 mm)
Thanks to the fine structuring on the metal surfaces, each individual control has the sound, feel and attention to detail that makes a Mercedes-Benz so special.
The new control features include a touch-sensitive telephone keypad and an extended favourites function with twelve freely selectable memory places. The principal control element is the rotary pushbutton, with the usual direct access keys in the centre console for the most important functions and a toolbar for the driving assistance systems.
Voice entry using LINGUATRONIC via the Speech Dialog System allows complete addresses to be spoken in one go, for example (one-shot input). The telephone and audio systems can also be voice-controlled. The option of having text messages (SMS) or emails read out is a new feature.
Climate control: a wealth of new features for a pleasant atmosphere
During the systematic further development of the entire climate control system, a particular focus was placed on the development goals of performance, air quality, precise regulation, noise level and efficiency.
As a new feature, the AIR-BALANCE package comprises perfume atomisation, ionisation and even more efficient filtration compared with the standard model. The THERMOTRONIC automatic climate control in the rear has two additional zones to improve thermal comfort. Electric heating of the armrests is a completely new feature.
As a world first, the new S-Class Saloon has an "active perfuming system" as part of the AIR-BALANCE package. 'Active' means that the perfuming system is switched on and off manually, with manual adjustment of the intensity. The perfume atomisation system individualises the smell of the vehicle interior.
It neither changes the interior smell permanently, nor are perfume molecules deposited on fabric surfaces or clothing. The fragrance is discreet and mild, and dissipates rapidly.
*Preliminary European product information.
Please refer to U.S. press materials for U.S. model information.
The descriptions and information in this press kit apply to the international Mercedes-Benz
model range and may vary from country to country.
The aspiration: the best automobile in the world Stuttgart/Hamburg. With the three engineering priorities "Intelligent Drive", "Efficient Technology" and "Essence of Luxury", the new S-Class
extends the boundaries of technology on many levels. The S-Class is not just a technological spearhead for Mercedes-Benz but for automotive development as a whole.
As with every generation before it, the customers expect the new S-Class to set standards across the board to retain its accolade as "the best automobile in the world". Dr Dieter Zetsche, Chairman of the Board of Management of Daimler AG and Head of Mercedes-Benz Cars:
"Rather than being about safety or aesthetics, power or efficiency, comfort or dynamism, our aspirations were 'the best or nothing' in every respect. No other car stands for the Mercedes-Benz brand promise more than the S-Class."
Perfection to the last detail results in "The Essence of Luxury". This pursuit of the best is particularly noticeable in the interior: whether it is the seats or the air conditioning, the controls or the design, the infotainment or the comfort and safety in the rear – new ideas, their painstaking realisation, and highest perceived quality underpin the high standards that the engineers have set
for the Mercedes-Benz flagship model – and for themselves.
The same applies to safety. What started with PRE-SAFE® ten years ago and continued with DISTRONIC PLUS has now resulted in a new dimension of motoring: comfort and safety are merged into one. Mercedes-Benz refers to this as "Intelligent Drive". A whole host of new systems makes the new S-Class even more comfortable and even safer.
The S-Class is so efficient that it almost sounds utopian: within ten years Mercedes-Benz, by realising "Efficient Technology", has almost halved fuel consumption in the 150 kW output category to 4.4 litres per 100 kilometres, for example, while the drag coefficient of the new S-Class (cd=0.24) clearly undercuts the previous model's figure and sets a new benchmark in this segment. Furthermore, the new model is the world's first car to dispense entirely with light bulbs in favour of LEDs, pointing the way ahead once again.
Design: a modern sense of status and sensual shapes
People all over the world can recognise a Mercedes-Benz straight away. The classic Mercedes face runs like a golden thread through the brand's history.
"The sophisticated design of the S-Class has always been an expression of luxury and automotive grandeur of its era. And our new S-Class continues this tradition. With its classic architecture and flowing silhouette, it is a modern embodiment of sensual clarity. The design draws a line from the sophisticated, progressive design idiom to the classic elegance of our 1930s cars – intelligence that speaks to the emotions. Stylish sportiness and sensual forms in synthesis with timeless clarity and effortless superiority make the S-Class a true design icon," says design chief Gorden Wagener.
To underline the effortless superiority of the new S-Class, and its ambition to lead, the radiator grille is now larger, upright and distinctly three-dimensional in design. With its long bonnet, the flowing, domed roof line and the gently slanting rear end, the new S-Class has classic saloon proportions. The size and space have been fashioned in such a way that the S-Class appears prestigious, and the powerful roof line is also in keeping with the car's sporty coupé-style intentions.
A character line descending discreetly from front to rear – the brand's hallmark "Dropping Line" – elegantly structures the side wall and generates additional dynamism even when the car is at a standstill. The subtly created convex-concave effect of the entire flank gives rise to an extremely powerful and elongated car body that demonstrates both excitement and calm. The pronounced shoulder above the rear wheel adds further emphasis to the car's athletic character.
The positively exaggerated surfaces and lines of the side wall on the new S-Class generate excitement as they flow into the rear end. As well as being elegant, the slightly slanting form has aerodynamic advantages. Horizontal lines running from the boot lid to the bumper emphasise the car's width when viewed from the rear. The hallmark signature of the Mercedes-Benz designers
can also be seen in the rear windscreen, which cuts into the C-pillars. The upper area of the glass is rounded, lending it a coupé-like character. The real highlights are the new-style tail lights which are completely encased by the car body and, thanks to this solitarily integrated styling and meticulously crafted inner workings, complete the design right down to the last detail.
LED technology: the first ever car without a single light bulb
100 years or so after the introduction of electric lighting in motor vehicles, Mercedes-Benz is now making a complete switch to LED technology – the new S-Class is the first vehicle in the world whose interior and exterior do without a single light bulb, and sees Mercedes-Benz building on its pioneering role in the lighting sector. The lighting's multi-level functionality is another world first: out of consideration for any road users behind, the intensity of the brake lights is reduced at night or while waiting at traffic lights, for example. Almost 500 LEDs illuminate the road, the vehicle, the interior and the boot. Depending on equipment, these include:
• Headlamps: each with up to 56 LEDs
• Tail lights: each with up to 35 LEDs (plus 4 for the rear fog lamp)
• Interior (including ambient lighting): approx. 300 LEDs
Visibility is enhanced by two assistance systems that have undergone some key improvements – Adaptive Highbeam Assist Plus and Night View Assist Plus. Thanks to a new stereo camera and multistage radar sensors, the S-Class has 360-degree all-round vision and detects potential dangers on the road better.
Suspension: the world's first suspension with "eyes"
The new S-Class is the world's first car to be able to detect bumps on the road ahead. If ROAD SURFACE SCAN detects such unevenness by means of the stereo camera, MAGIC BODY CONTROL instantaneously sets up the suspension to deal with the new situation. This innovative suspension system is available as an option for the eight-cylinder models. Standard equipment for the new S-Class includes the continuously operating Adaptive Damping System ADS PLUS and an enhanced version of the full air suspension system AIRMATIC.
Interior: visual breadth and calm solidity
With its clear architecture, the interior design of the S-Class embodies a classic, superior, cutting-edge saloon. The interior's expressive character derives from a uniquely fluid, sensuously elegant style. Horizontal elements and lines create a setting characterised by visual breadth and calm solidity. High quality and elegance harmonise with clarity and functionality: the interior design of the S-Class combines ride comfort, spaciousness and user friendliness to the very highest standard.
The perfectly coordinated use of materials and colours produces an exclusive interior seemingly cast from a single mould. There is generous use of wood trim, especially in the dashboard and centre console. Metallised switch surfaces with pearl-effect paint finishes in three colour shades to suit the interior colour particularly highlight the outstanding quality.
Passengers in the rear are also seated in first-class – the design and exclusivity of the seats, door panels and all controls are to the same, high standard as the front. As an additional individualisation feature, the "First Class Rear" incorporates a Business centre console combining personal comfort with practical convenience (integration of a telephone handset, additional stowage compartments, folding table, etc.).
Concept: the best for both worldsFor the first time in the history of the S-Class, the development focus was on the long-wheelbase Saloon. Unlike before, the short-wheelbase version was derived from this. This is because the S-Class is not only firmly positioned as a prestige saloon in the large overseas markets such as the USA, China or Japan.
Whereas in Europe and North America owners of an S-Class are frequently behind the wheel themselves, the flagship model in the Mercedes-Benz passenger-car portfolio is very definitely a chauffeur-driven vehicle in Asia.
The logical consequence is the number of new features specifically related to comfort and safety in the rear – in the S-Class, there is no doubt that passengers in the rear are also seated in first class.
The occupants of the new S-Class benefit from the moderate increase in vehicle size1 by an improvement in all the interior dimensions: there are 12 millimetres of extra headroom for the driver, as well as 14 millimetres more shoulder room and 10 millimetres more elbow room in the front. Thanks to the 14-millimetre increase in rear kneeroom, travel becomes even more comfortable for passengers in the rear. Shoulder room in the rear has been improved by up to nine millimetres.
Control and display concept: elegant new command centre
Two high-resolution TFT colour displays in 8:3 format with a screen diagonal of 30.7 cm (12.3 inches) form the new information centre in the S-Class. The left-hand display performs the functions of the previous instrument cluster, providing the driver with all relevant information. The right-hand display allows the convenient control of infotainment and comfort functions. For the new S-Class, the constantly increasing need to integrate additional functions into the vehicle led to a further development of the entire operating logic.
Here ergonomics, operating convenience and safety along with attractiveness and aesthetics were the main considerations.
The aim in designing the control and display features was to group controls and display functions together in a coherent manner in terms of both design and functionality. Apart from the new displays, the metallised switch surfaces and solid aluminium controls are visual highlights of particularly high quality.
(Length/width/height short-wheelbase version: 5116/1899/1483, wheelbase 3035 mm
Length/width/height long-wheelbase version: 5246/1899/1483, wheelbase 3165 mm)
Thanks to the fine structuring on the metal surfaces, each individual control has the sound, feel and attention to detail that makes a Mercedes-Benz so special.
The new control features include a touch-sensitive telephone keypad and an extended favourites function with twelve freely selectable memory places. The principal control element is the rotary pushbutton, with the usual direct access keys in the centre console for the most important functions and a toolbar for the driving assistance systems.
Voice entry using LINGUATRONIC via the Speech Dialog System allows complete addresses to be spoken in one go, for example (one-shot input). The telephone and audio systems can also be voice-controlled. The option of having text messages (SMS) or emails read out is a new feature.
Climate control: a wealth of new features for a pleasant atmosphere
During the systematic further development of the entire climate control system, a particular focus was placed on the development goals of performance, air quality, precise regulation, noise level and efficiency.
As a new feature, the AIR-BALANCE package comprises perfume atomisation, ionisation and even more efficient filtration compared with the standard model. The THERMOTRONIC automatic climate control in the rear has two additional zones to improve thermal comfort. Electric heating of the armrests is a completely new feature.
As a world first, the new S-Class Saloon has an "active perfuming system" as part of the AIR-BALANCE package. 'Active' means that the perfuming system is switched on and off manually, with manual adjustment of the intensity. The perfume atomisation system individualises the smell of the vehicle interior.
It neither changes the interior smell permanently, nor are perfume molecules deposited on fabric surfaces or clothing. The fragrance is discreet and mild, and dissipates rapidly.
HighestOfHigh
Cornering Kingpin
- Messages
- 9,346
- Name
- Ben
Seats: mobile office and centre of wellbeingWith numerous world firsts such as the ENERGIZING massage function based on the hot-stone principle or active seat ventilation with reversing fans, Mercedes-Benz has raised seating and climatic comfort in the S-Class to a new level. The seat developers have paid particular attention to the rear seats.
There is a choice of five different rear seat variants including an Executive seat with a backrest angle adjustable by up to 43.5 degrees, allowing occupants in the rear to concentrate on work or relax in comfort.
The ENERGIZING massage function on the hot-stone principle is a world first. The seat specialists at Mercedes-Benz have developed a unique massage function with 14 separately actuated air cushions in the backrest, as well as an integrated warming function. There is a choice of six massage programmes, two of them using the warming function. The function is also available for the
rear seats. For the first time, so-called reversing fans are used in the active seat ventilation system. When the ventilation function starts, cooler surrounding air is first drawn onto the seat surface. This enables the surface temperature of a heated-up seat to be reduced much faster than with the previous active cooling systems. After four minutes the fans are automatically switched to blower
mode to reduce draughts.
Two rear seat variants (static bench seat or individual seats with 37-degree adjustment) are available for the standard-wheelbase S-Class, and no less than five for the long-wheelbase version. The adjustment kinematics have been changed in the luxury and reclining seat variants. Unlike the conventional trailing backrest design, the backrest is adjusted separately so that the legroom and seat reference point remain unchanged. The cushion can be separately adjusted for angle and horizontal position.
The maximum backrest angle of the Executive seat (reclining seat) behind the front passenger seat is increased from 37 to 43.5 degrees, giving it the largest backrest inclination in the luxury segment. The reclining seat features a calf support which is freely adjustable for length and angle. In combination with the heel rest on the folding chauffeur seat at the front and an additional comfort cushion, this allows a reclined position that sets new standards in the automotive sector with respect to sleeping and resting comfort.
If the "First Class Rear" is specified (with rear centre console), the front console on the transmission tunnel is visually continued to the rear. It is equipped with innovative thermo-cup holders which use Peltier technology to cool or warm drinks over a longer period of time. Like an aircraft seat, the centre console is available with two tables which can be easily folded in or out using one hand.
Multimedia features: mobile concert hall
A completely new multimedia generation with intuitive operation and particularly tangible functions thanks to visualisation and animations celebrates its debut in the S-Class. Other innovations include the multi-user system, which allows independent access to the media sources of the entertainment system from any seat.
The innovative Frontbass system developed by Mercedes-Benz-and used for the first time in a saloon car is a feature common to all the audio systems: the woofers are housed in the firewall, and use the almost 40-litre space in the cross-member and side member as a resonance chamber. Conventional woofers in the doors are therefore unnecessary. The mid-range speakers in the doors are relocated upwards. This improves the soundscape and allows additional stowage space in the doors.
As alternatives to the standard sound system with ten loudspeakers, two very high-quality audio systems are available which were developed together with the high-end audio specialist Burmester: the Burmester® Surround Sound system and the Burmester® High-End 3D-Surround Sound system.
The interactive presentation of content is a prominent new feature of the navigation function. The new navitainment functions include an animated compass, the "Driveshow" for passenger information as in an aircraft, and the display of Google Maps on the head unit and in the rear. Information on the traffic situation is shown with hatched lines (rather than with vehicle silhouettes as before). With the new Live Traffic Information service, traffic data is transmitted in real time. As a result, the navigation system is better informed about the situation on the roads.
Body: maximum stability and high-quality lightweight design
A high level of crash safety, outstanding rigidity for excellent handling with extremely low levels of noise and vibration. These were the aims when developing the bodyshell for the new S-Class – a third-generation aluminium hybrid bodyshell. The lightweight index – the torsional stiffness in relation to weight and vehicle size – has been improved by 50 percent compared to the predecessor model.
Since the 220 model series was developed in the 1990s, with an optimally coordinated materials mix the hybrid lightweight construction has been further developed into an aluminium hybrid bodyshell. During this period the share of aluminium has increased to more than 50 percent. It has therefore been possible to maintain practically the same body weight for 20 years and even slightly reduce it, despite far more stringent comfort and safety requirements and additional functions. In addition to this, structural foams are used at specific points in node areas in the new model series. The entire outer skin of the S-Class, including the roof and the front section of the body, consists of aluminium. The high percentage of aluminium is possible thanks to the use of a complete range of semi-finished products (casting, extrusion, sheet metal).
The safety passenger cell is made using an extremely high percentage of high-strength steel.
This lightweight design by material and geometrical optimisation coupled with highly complex joining technology allows the new S-Class to further raise the bar in the demanding luxury saloon segment – without adding weight. With a torsional stiffness of 40.5 kN/degree (predecessor: 27.5 kN/degree), the S-Class achieves a new record in its segment.
Extended PRE-SAFE® protection: prevention is better than cure
Ten years ago, Mercedes-Benz unveiled a groundbreaking safety concept in the S-Class in the form of the PRE-SAFE® anticipatory occupant protection system, which has been undergoing continuous refinement ever since. Now, the safety pioneer is increasing protection levels once again.
The new PRE-SAFE® functions can help to prevent collisions with pedestrians and vehicles in front in city traffic, defuse dangerous situations caused by traffic behind and enhance the protection offered by the seat belts.
• The PRE-SAFE® Brake can also detect pedestrians and initiate autonomous braking to avoid a collision at speeds up to 50 km/h.
• PRE-SAFE® PLUS can recognise an imminent rear-end collision and warn the following traffic by activating the rear hazard warning lights at a high frequency. If the danger of a collision persists, the system can also firmly apply the stationary vehicle's brakes and thus minimise the risk of whiplash injuries by reducing the forward jolt caused by the impact. This additionally can reduce the risk of secondary accidents.
Immediately before impact, the PRE-SAFE® anticipatory occupant protection measures, especially the reversible belt tensioners, are deployed.
• With PRE-SAFE® Impulse, the driver and front passenger are pulled away from the direction of impact by their seat belts at an early phase of the crash before the resulting occupant deceleration sets in. This can substantially reduce the risk and severity of injuries in a frontal collision.
Setting the standard for safety in the rear: new features in the S-Class
Mercedes-Benz has extended the safety system for rear seat passengers further with the seat belt buckle extender, the beltbag and the cushionbag. The first two of these developments are included in the "PRE-SAFE® rear package". With the illuminated seat belt buckle extender, an electric motor extends and retracts the belt buckle automatically. In this way, any belt slack in the area of the pelvis and thorax can be reduced so that passengers are secured more firmly in both the sideways and the lengthways direction.
The beltbag is an inflatable seat-belt strap that is able to reduce the risk of injury to passengers in the rear in a head-on collision by lessening the strain placed on the ribcage. The reclining seat is equipped with a cushionbag under the seat cushion upholstery as standard. When the seat is reclined, it prevents the occupant from sliding beneath the seat belt (so-called submarining) in an accident. This has enabled Mercedes-Benz to design a comfortable reclining seat which provides a higher level of accident safety than a seat with a trailing backrest.
There is a choice of five different rear seat variants including an Executive seat with a backrest angle adjustable by up to 43.5 degrees, allowing occupants in the rear to concentrate on work or relax in comfort.
The ENERGIZING massage function on the hot-stone principle is a world first. The seat specialists at Mercedes-Benz have developed a unique massage function with 14 separately actuated air cushions in the backrest, as well as an integrated warming function. There is a choice of six massage programmes, two of them using the warming function. The function is also available for the
rear seats. For the first time, so-called reversing fans are used in the active seat ventilation system. When the ventilation function starts, cooler surrounding air is first drawn onto the seat surface. This enables the surface temperature of a heated-up seat to be reduced much faster than with the previous active cooling systems. After four minutes the fans are automatically switched to blower
mode to reduce draughts.
Two rear seat variants (static bench seat or individual seats with 37-degree adjustment) are available for the standard-wheelbase S-Class, and no less than five for the long-wheelbase version. The adjustment kinematics have been changed in the luxury and reclining seat variants. Unlike the conventional trailing backrest design, the backrest is adjusted separately so that the legroom and seat reference point remain unchanged. The cushion can be separately adjusted for angle and horizontal position.
The maximum backrest angle of the Executive seat (reclining seat) behind the front passenger seat is increased from 37 to 43.5 degrees, giving it the largest backrest inclination in the luxury segment. The reclining seat features a calf support which is freely adjustable for length and angle. In combination with the heel rest on the folding chauffeur seat at the front and an additional comfort cushion, this allows a reclined position that sets new standards in the automotive sector with respect to sleeping and resting comfort.
If the "First Class Rear" is specified (with rear centre console), the front console on the transmission tunnel is visually continued to the rear. It is equipped with innovative thermo-cup holders which use Peltier technology to cool or warm drinks over a longer period of time. Like an aircraft seat, the centre console is available with two tables which can be easily folded in or out using one hand.
Multimedia features: mobile concert hall
A completely new multimedia generation with intuitive operation and particularly tangible functions thanks to visualisation and animations celebrates its debut in the S-Class. Other innovations include the multi-user system, which allows independent access to the media sources of the entertainment system from any seat.
The innovative Frontbass system developed by Mercedes-Benz-and used for the first time in a saloon car is a feature common to all the audio systems: the woofers are housed in the firewall, and use the almost 40-litre space in the cross-member and side member as a resonance chamber. Conventional woofers in the doors are therefore unnecessary. The mid-range speakers in the doors are relocated upwards. This improves the soundscape and allows additional stowage space in the doors.
As alternatives to the standard sound system with ten loudspeakers, two very high-quality audio systems are available which were developed together with the high-end audio specialist Burmester: the Burmester® Surround Sound system and the Burmester® High-End 3D-Surround Sound system.
The interactive presentation of content is a prominent new feature of the navigation function. The new navitainment functions include an animated compass, the "Driveshow" for passenger information as in an aircraft, and the display of Google Maps on the head unit and in the rear. Information on the traffic situation is shown with hatched lines (rather than with vehicle silhouettes as before). With the new Live Traffic Information service, traffic data is transmitted in real time. As a result, the navigation system is better informed about the situation on the roads.
Body: maximum stability and high-quality lightweight design
A high level of crash safety, outstanding rigidity for excellent handling with extremely low levels of noise and vibration. These were the aims when developing the bodyshell for the new S-Class – a third-generation aluminium hybrid bodyshell. The lightweight index – the torsional stiffness in relation to weight and vehicle size – has been improved by 50 percent compared to the predecessor model.
Since the 220 model series was developed in the 1990s, with an optimally coordinated materials mix the hybrid lightweight construction has been further developed into an aluminium hybrid bodyshell. During this period the share of aluminium has increased to more than 50 percent. It has therefore been possible to maintain practically the same body weight for 20 years and even slightly reduce it, despite far more stringent comfort and safety requirements and additional functions. In addition to this, structural foams are used at specific points in node areas in the new model series. The entire outer skin of the S-Class, including the roof and the front section of the body, consists of aluminium. The high percentage of aluminium is possible thanks to the use of a complete range of semi-finished products (casting, extrusion, sheet metal).
The safety passenger cell is made using an extremely high percentage of high-strength steel.
This lightweight design by material and geometrical optimisation coupled with highly complex joining technology allows the new S-Class to further raise the bar in the demanding luxury saloon segment – without adding weight. With a torsional stiffness of 40.5 kN/degree (predecessor: 27.5 kN/degree), the S-Class achieves a new record in its segment.
Extended PRE-SAFE® protection: prevention is better than cure
Ten years ago, Mercedes-Benz unveiled a groundbreaking safety concept in the S-Class in the form of the PRE-SAFE® anticipatory occupant protection system, which has been undergoing continuous refinement ever since. Now, the safety pioneer is increasing protection levels once again.
The new PRE-SAFE® functions can help to prevent collisions with pedestrians and vehicles in front in city traffic, defuse dangerous situations caused by traffic behind and enhance the protection offered by the seat belts.
• The PRE-SAFE® Brake can also detect pedestrians and initiate autonomous braking to avoid a collision at speeds up to 50 km/h.
• PRE-SAFE® PLUS can recognise an imminent rear-end collision and warn the following traffic by activating the rear hazard warning lights at a high frequency. If the danger of a collision persists, the system can also firmly apply the stationary vehicle's brakes and thus minimise the risk of whiplash injuries by reducing the forward jolt caused by the impact. This additionally can reduce the risk of secondary accidents.
Immediately before impact, the PRE-SAFE® anticipatory occupant protection measures, especially the reversible belt tensioners, are deployed.
• With PRE-SAFE® Impulse, the driver and front passenger are pulled away from the direction of impact by their seat belts at an early phase of the crash before the resulting occupant deceleration sets in. This can substantially reduce the risk and severity of injuries in a frontal collision.
Setting the standard for safety in the rear: new features in the S-Class
Mercedes-Benz has extended the safety system for rear seat passengers further with the seat belt buckle extender, the beltbag and the cushionbag. The first two of these developments are included in the "PRE-SAFE® rear package". With the illuminated seat belt buckle extender, an electric motor extends and retracts the belt buckle automatically. In this way, any belt slack in the area of the pelvis and thorax can be reduced so that passengers are secured more firmly in both the sideways and the lengthways direction.
The beltbag is an inflatable seat-belt strap that is able to reduce the risk of injury to passengers in the rear in a head-on collision by lessening the strain placed on the ribcage. The reclining seat is equipped with a cushionbag under the seat cushion upholstery as standard. When the seat is reclined, it prevents the occupant from sliding beneath the seat belt (so-called submarining) in an accident. This has enabled Mercedes-Benz to design a comfortable reclining seat which provides a higher level of accident safety than a seat with a trailing backrest.
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Intelligent Drive: networked with all sensesAvoid accidents and mitigate their consequences – this is the integrated approach adopted by Mercedes-Benz Accident Research under the heading" Real Life Safety". Mercedes-Benz is systematically pursuing this strategy in the S-Class with numerous new assistance systems and greatly enhanced functions. Comfort and safety are enhanced at the same time. Mercedes-Benz calls this "Intelligent Drive". The new functions all rely on the same sensor system, comprising a new stereo camera together with multistage radar sensors.
"Intelligent assistance systems analyse complex situations and better recognise potential dangers out on the road with the aid of improved environment sensor systems," explains Prof. Thomas Weber, Member of the Daimler Board of Management responsible for Group Research and Head of Mercedes-Benz Cars Development. "Figuratively speaking, the new S-Class doesn't just have eyes at the front, it has 360-degree all-round vision."
A key factor is the networking of all systems, which safety experts call "sensor fusion". The aim is to ensure comprehensive protection, not just for the occupants of a Mercedes-Benz, but for all other road users, too.
The support functions range from relieving the burden on the driver and therefore increasing comfort, to issuing visual, acoustic and/or tactile warning signals, to boosting the driver's reactions. Some systems are even able to take corrective action in an emergency, such as autonomous application of the brakes to prevent an accident or lessen its severity. Here is a summary of the new assistance systems and those with notably enhanced functionality:
• DISTRONIC PLUS with Steering Assist and Stop&Go Pilot takes the burden off the driver when it comes to lane guidance and is also able to follow vehicles in traffic jams automatically.
• For the first time, thanks to the stereo camera the Brake Assist system BAS PLUS with Cross-Traffic Assist is able to detect crossing traffic and pedestrians too, and to boost the braking power applied by the driver accordingly.
• If the lane markings are broken lines, Active Lane Keeping Assist can detect when the adjacent lane is occupied, especially by oncoming traffic, and reduce the risk of the vehicle leaving its lane unintentionally by applying the brakes on one side.
• Adaptive Highbeam Assist Plus allows the high-beam headlamps to be kept on permanently without dazzling traffic by masking out other vehicles in the beams' cone of light.
• Night View Assist Plus was further improved and supplemented by a thermal imaging camera. Night View Assist Plus can alert the driver to the potential danger posed by pedestrians or animals in unlit areas in front of the vehicle by automatically switching from the speedometer to a crystal-sharp night view image and highlighting the sources of danger. A spotlight function is furthermore able to flash any pedestrians detected ahead. This attracts the driver's attention to the source of the danger at the same time as warning the person on the side of the road.
• ATTENTION ASSIST can warn of inattentiveness and drowsiness in an extended speed range and notify the driver of their current state of fatigue and the driving time since the last break, offers an adjustable sensitivity setting and, if a warning is emitted, indicates nearby service areas in the COMAND navigation system.
Mercedes-Benz management team on the S-Class
The best or nothing, in every respect
"Rather than being about safety or aesthetics, power or efficiency, comfort or dynamism, our aspirations were 'the best or nothing' in every respect. No other car stands for the Mercedes-Benz brand promise more than the S-Class."
Dr Dieter Zetsche, Chairman of the Board of Management of Daimler AG and Head of Mercedes-Benz Cars
"A few years ago, the progress made in efficiency would have sounded like a utopian dream: within ten years, Mercedes-Benz has almost halved fuel consumption in the 150 kW output category. Intelligent Drive is likewise leading the way by networking the sensors to enhance comfort and safety."
Prof Thomas Weber, Member of the Board of Management responsible for Group Research and Head of Mercedes-Benz Cars Development
"The S-Class is not just the spearhead for Mercedes-Benz but for automotive development as a whole. And it has been for decades. That's why the S-Class is also the world's best-selling luxury car."
Dr Joachim Schmidt, Executive Vice President of Mercedes-Benz Cars, Sales and Marketing
"The sophisticated design of the S-Class has always been an expression of luxury and automotive grandeur of its era. And our new S-Class continues this tradition. With its classic architecture and flowing silhouette, it is a modern embodiment of sensual clarity. The design draws a line from the sophisticated, progressive design idiom to the classic elegance of our 1930s cars – intelligence that speaks to the emotions. Stylish sportiness and sensual forms in synthesis with timeless clarity and effortless superiority make the S-Class a true design icon."
Gorden Wagener, Vice President Design, Daimler AG
Exterior design
Modern sense of status, sensual shapes and stylish sportiness
People all over the world can recognise a Mercedes-Benz straight away. The classic Mercedes face runs like a golden thread through the brand's history. The features of the style-defining front design are both simple and complex, especially on the S-Class: it is strong in character and unmistakable and, instead of following fads, it exudes confidence and status. An alpha leader, dynamic yet not aggressive, sophisticated yet not fancy.
To underline the effortless superiority of the new S-Class, and its ambition to lead, the radiator grille is now larger, upright and distinctly three-dimensional in design. The four louvres taper outwards and do not touch the chrome frame.
Instead of diamond-shaped perforations, the lower air intake now features tiny louvres in high-gloss black, which follow the shape of the grille. The front-end design is completed by a chrome strip on the lower part of the bumper.
The headlamps have clearly defined contours. In the case of the dynamic LED High Performance headlamps with Intelligent Light System (optional), the indicators, side lights and daytime running lamps are arranged behind the lens so that the brand's hallmark "torch" is immediately recognisable both day and night. The Mercedes-Benz lettering in the headlamp is illuminated.
The greater need for passive and active pedestrian protection has likewise been taken into account in the front design. The additionally required crash gaps have been ideally configured to lend the front end greater presence and a more dominant feel.
The side: powerful, elongated bodyWith its long bonnet, the flowing, domed roof line and the gently slanting rear end, the new S-Class has classic saloon proportions. The size and space have been fashioned in such a way that the new S-Class appears prestigious, and the powerful roof line is also in keeping with the car's sporty coupé-style intentions.
A character line descending discreetly from front to rear – the brand's hallmark "Dropping Line" – elegantly structures the side wall and generates additional dynamism even when the car is at a standstill. The subtly created convex/concave effect of the entire flank gives rise to an extremely powerful and elongated car body that demonstrates both excitement and calm. The pronounced shoulder above the rear wheel adds further emphasis to the car's athletic character.
Every detail and each of the detachable body parts have been stylistically optimised. The exterior mirrors, for instance, have a new, more dynamic form, while the precisely shaped exterior handles emphasise the body's distinctive lines.
The overall composition is accentuated by elegantly designed chrome trim strips, notably the trim strip on the rear door frame, which widens rearwards in one piece. The likewise three-dimensional trim strip at the bottom sits deeper and establishes a visual link with the doors' functional gap. Consequently the sheet metal remains untouched, and an eye-catching design feature is created. The chrome strip has a plastic support element at the bottom to protect against stone chipping.
Rear end: horizontal lines and eye-catching light design
The extravagantly sculpted surfaces and lines of the side wall on the new S-Class generate excitement as they flow into the rear end. As well as being elegant, the slightly slanting form has aerodynamic advantages.
Horizontal lines running from the boot lid to the bumper emphasise the car's width when viewed from the rear. The hallmark signature of the Mercedes-Benz designers can also be seen in the rear windscreen, which cuts into the C-pillars. The upper area of the glass is rounded to give it a coupé-like character. The three-dimensional chrome insert on the boot lid adds a new dimension in high-quality design.
The real highlights are the new-style tail lights which are completely encased by the car body and, thanks to this solitarily integrated styling, complete the design right down to the last detail. Their meticulously crafted inner workings reflect the current state of the art. Featuring three horizontally arranged fibre-optic cables, the design echoes the hallmark Mercedes meander and so ties in seamlessly with the long line of predecessor models. The combination of attention to detail with exacting technical requirements is apparent in both the night and the day design. The rear fog lamp is housed in the centre of the bumper, while the reflectors are elegantly integrated on the left and right sides.
"Intelligent assistance systems analyse complex situations and better recognise potential dangers out on the road with the aid of improved environment sensor systems," explains Prof. Thomas Weber, Member of the Daimler Board of Management responsible for Group Research and Head of Mercedes-Benz Cars Development. "Figuratively speaking, the new S-Class doesn't just have eyes at the front, it has 360-degree all-round vision."
A key factor is the networking of all systems, which safety experts call "sensor fusion". The aim is to ensure comprehensive protection, not just for the occupants of a Mercedes-Benz, but for all other road users, too.
The support functions range from relieving the burden on the driver and therefore increasing comfort, to issuing visual, acoustic and/or tactile warning signals, to boosting the driver's reactions. Some systems are even able to take corrective action in an emergency, such as autonomous application of the brakes to prevent an accident or lessen its severity. Here is a summary of the new assistance systems and those with notably enhanced functionality:
• DISTRONIC PLUS with Steering Assist and Stop&Go Pilot takes the burden off the driver when it comes to lane guidance and is also able to follow vehicles in traffic jams automatically.
• For the first time, thanks to the stereo camera the Brake Assist system BAS PLUS with Cross-Traffic Assist is able to detect crossing traffic and pedestrians too, and to boost the braking power applied by the driver accordingly.
• If the lane markings are broken lines, Active Lane Keeping Assist can detect when the adjacent lane is occupied, especially by oncoming traffic, and reduce the risk of the vehicle leaving its lane unintentionally by applying the brakes on one side.
• Adaptive Highbeam Assist Plus allows the high-beam headlamps to be kept on permanently without dazzling traffic by masking out other vehicles in the beams' cone of light.
• Night View Assist Plus was further improved and supplemented by a thermal imaging camera. Night View Assist Plus can alert the driver to the potential danger posed by pedestrians or animals in unlit areas in front of the vehicle by automatically switching from the speedometer to a crystal-sharp night view image and highlighting the sources of danger. A spotlight function is furthermore able to flash any pedestrians detected ahead. This attracts the driver's attention to the source of the danger at the same time as warning the person on the side of the road.
• ATTENTION ASSIST can warn of inattentiveness and drowsiness in an extended speed range and notify the driver of their current state of fatigue and the driving time since the last break, offers an adjustable sensitivity setting and, if a warning is emitted, indicates nearby service areas in the COMAND navigation system.
Mercedes-Benz management team on the S-Class
The best or nothing, in every respect
"Rather than being about safety or aesthetics, power or efficiency, comfort or dynamism, our aspirations were 'the best or nothing' in every respect. No other car stands for the Mercedes-Benz brand promise more than the S-Class."
Dr Dieter Zetsche, Chairman of the Board of Management of Daimler AG and Head of Mercedes-Benz Cars
"A few years ago, the progress made in efficiency would have sounded like a utopian dream: within ten years, Mercedes-Benz has almost halved fuel consumption in the 150 kW output category. Intelligent Drive is likewise leading the way by networking the sensors to enhance comfort and safety."
Prof Thomas Weber, Member of the Board of Management responsible for Group Research and Head of Mercedes-Benz Cars Development
"The S-Class is not just the spearhead for Mercedes-Benz but for automotive development as a whole. And it has been for decades. That's why the S-Class is also the world's best-selling luxury car."
Dr Joachim Schmidt, Executive Vice President of Mercedes-Benz Cars, Sales and Marketing
"The sophisticated design of the S-Class has always been an expression of luxury and automotive grandeur of its era. And our new S-Class continues this tradition. With its classic architecture and flowing silhouette, it is a modern embodiment of sensual clarity. The design draws a line from the sophisticated, progressive design idiom to the classic elegance of our 1930s cars – intelligence that speaks to the emotions. Stylish sportiness and sensual forms in synthesis with timeless clarity and effortless superiority make the S-Class a true design icon."
Gorden Wagener, Vice President Design, Daimler AG
Exterior design
Modern sense of status, sensual shapes and stylish sportiness
People all over the world can recognise a Mercedes-Benz straight away. The classic Mercedes face runs like a golden thread through the brand's history. The features of the style-defining front design are both simple and complex, especially on the S-Class: it is strong in character and unmistakable and, instead of following fads, it exudes confidence and status. An alpha leader, dynamic yet not aggressive, sophisticated yet not fancy.
To underline the effortless superiority of the new S-Class, and its ambition to lead, the radiator grille is now larger, upright and distinctly three-dimensional in design. The four louvres taper outwards and do not touch the chrome frame.
Instead of diamond-shaped perforations, the lower air intake now features tiny louvres in high-gloss black, which follow the shape of the grille. The front-end design is completed by a chrome strip on the lower part of the bumper.
The headlamps have clearly defined contours. In the case of the dynamic LED High Performance headlamps with Intelligent Light System (optional), the indicators, side lights and daytime running lamps are arranged behind the lens so that the brand's hallmark "torch" is immediately recognisable both day and night. The Mercedes-Benz lettering in the headlamp is illuminated.
The greater need for passive and active pedestrian protection has likewise been taken into account in the front design. The additionally required crash gaps have been ideally configured to lend the front end greater presence and a more dominant feel.
The side: powerful, elongated bodyWith its long bonnet, the flowing, domed roof line and the gently slanting rear end, the new S-Class has classic saloon proportions. The size and space have been fashioned in such a way that the new S-Class appears prestigious, and the powerful roof line is also in keeping with the car's sporty coupé-style intentions.
A character line descending discreetly from front to rear – the brand's hallmark "Dropping Line" – elegantly structures the side wall and generates additional dynamism even when the car is at a standstill. The subtly created convex/concave effect of the entire flank gives rise to an extremely powerful and elongated car body that demonstrates both excitement and calm. The pronounced shoulder above the rear wheel adds further emphasis to the car's athletic character.
Every detail and each of the detachable body parts have been stylistically optimised. The exterior mirrors, for instance, have a new, more dynamic form, while the precisely shaped exterior handles emphasise the body's distinctive lines.
The overall composition is accentuated by elegantly designed chrome trim strips, notably the trim strip on the rear door frame, which widens rearwards in one piece. The likewise three-dimensional trim strip at the bottom sits deeper and establishes a visual link with the doors' functional gap. Consequently the sheet metal remains untouched, and an eye-catching design feature is created. The chrome strip has a plastic support element at the bottom to protect against stone chipping.
Rear end: horizontal lines and eye-catching light design
The extravagantly sculpted surfaces and lines of the side wall on the new S-Class generate excitement as they flow into the rear end. As well as being elegant, the slightly slanting form has aerodynamic advantages.
Horizontal lines running from the boot lid to the bumper emphasise the car's width when viewed from the rear. The hallmark signature of the Mercedes-Benz designers can also be seen in the rear windscreen, which cuts into the C-pillars. The upper area of the glass is rounded to give it a coupé-like character. The three-dimensional chrome insert on the boot lid adds a new dimension in high-quality design.
The real highlights are the new-style tail lights which are completely encased by the car body and, thanks to this solitarily integrated styling, complete the design right down to the last detail. Their meticulously crafted inner workings reflect the current state of the art. Featuring three horizontally arranged fibre-optic cables, the design echoes the hallmark Mercedes meander and so ties in seamlessly with the long line of predecessor models. The combination of attention to detail with exacting technical requirements is apparent in both the night and the day design. The rear fog lamp is housed in the centre of the bumper, while the reflectors are elegantly integrated on the left and right sides.
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Interior design
Visual breadth and calm solidityWith its clear architecture, the interior design of the S-Class embodies a classic, superior, cutting-edge saloon. The interior's expressive character derives from a uniquely fluid, sensuously elegant style. Horizontal elements and lines create a setting characterised by visual breadth and calm solidity. High quality and elegance harmonise with clarity and functionality: the interior design of the S-Class combines ride comfort, spaciousness and user-friendliness to the very highest standard.
The radically redesigned display extends behind the two-spoke steering wheel – reminiscent of the S-Class heritage – as a key element of the horizontal alignment. It replaces the traditional instrument cluster and combines numerous other functions in a visually and ergonomically highly sophisticated manner (see "New display concept" section). The entire display unit appears to be freefloating, an impression reinforced by ambience backlighting.
The high-quality unit formed by the centre air vents and the analogue clock is precisely set into three-dimensional wood trim. For the first time this classic wood trim feature is positioned very low. This creates a second level of decorative trim whose luxurious stitched leather lies in the primary field of vision. Both levels extend elegantly across the entire width of the dashboard and doors. With this layout the designers have created an association with the wingbeat of a bird. The result is an extraordinary impression of width combined with a pleasant, calm ambience.
The visually prominent dashboard is characterised by the striking double-S curve. This already made the preceding model unmistakable, and imparts a feeling of spaciousness, safety and security.
The perfectly coordinated use of materials and colours produces an elegant interior seemingly cast from a single mould. There is generous use of wood trim, especially in the dashboard and centre console. Metallised switch surfaces with pearl-effect paint finishes in three colour shades to suit the interior colour particularly highlight the outstanding quality.
Innovative lighting systems in the form of a continuous light band under the wood trim strips and the central display – a completely new dimension in ambience lighting – and elegant lighting units with stylish details in the headlining enhance the comfortable atmosphere. The number and size of the stowage facilities in the interior have been greatly increased compared to the preceding model.
Passengers in the rear are also seated in first-class – the design and exclusivity of the seats, door panels and all controls are to the same, high standard as the front. If a luxury or reclining seat (Executive seat) is specified for the rear, the backrest inclines backwards into the parcel shelf, which means that legroom is not restricted even in the resting position. As an additional individualization feature, the "First Class Rear" incorporates a Business centre console combining personal comfort with practical convenience (integration of a telephone handset, additional stowage compartments, folding table, etc.). The side finishers of the front seats are formally integrated and feature useful stowage compartments (see "Seats" section for details).
In combination with the first-class quality of materials and outstandingly high perceived value, the decidedly varied range of available appointments emphatically confirms the premium positioning of Mercedes-Benz. The innovative architecture of the interior design, which is based on both additive and integrating features, allows a choice of different and very individual styling in terms of colours and materials.
The standard appointments already meet high expectations. They include leather seat upholstery (long wheelbase), elegantly finished wood trim and surfaces with decorative topstitching. Various leather versions are available as optional extras, differing in their surface finish (e.g. patterned perforations and a hand-quilted look and feel), and also in terms of the relative leather and trim surfaces. The customer also has a choice of five interior colour arrangements combined with
five different types of exotic wood trim.
The interior design of the new S-Class was also influenced by the Mercedes-Benz Advanced Interior Design Studio in Como, whose primary task was also to explore how the highest possible perceived quality can be created.
Using the so-called "appreciation model", the designers were able to give free rein to their imagination and look for ways of translating these ideals into series production features. This led to a harmonious and luxurious interior whose design, character and perceived value are unrivalled.
Aerodynamics
Sleek, silent type
For almost three decades, the aerodynamic specialists at Mercedes-Benz have been breaking one record after another. At present the brand's models occupy the top position for aerodynamics in practically every vehicle segment. The new S-Class is likewise at the top of its segment in terms of aerodynamics and aeroacoustics.
The drag coefficient of the new S-Class (cd=0.24) undercuts the previous model's figure by two hundredths and sets a new benchmark in this segment.
A number of features and details have been aerodynamically optimised to achieve this result:
• Aerodynamically optimised front and rear apron with perfectly matched rear spoiler
• All-new aerodynamically and aeroacoustically optimised exterior mirrors
• Complete sealing of the front end with sealing of the headlamp section, improved sealing of the radiator section and airflow guidance to make efficient use of the available cooling air
• Use of a cooling air metering system (adjustable louvre)
• Water drain channels with optimum flow
• Lowering of the vehicle by up to 20 mm when the speed exceeds 120 km/h
• Spoiler lip on the tail lights
• Aerodynamically optimised underbody with extensive engine compartment and underbody panelling up to a point below the tank to also further minimise the penetration of road noise
• Aerodynamically shaped multi-purpose recess cover
• Special wheel spoilers ahead of the front wheels
• Aerodynamically optimised wheels and tyres
• Large area of cladding on the rear axle
Barely perceivable noise level in the interiorThe aeroacoustic specialists took specific measures to counter wind noises during their aerodynamic development work. To reduce high-frequency wind noise, the sealing systems around the windows and door handles were above all improved considerably. The newly designed exterior mirror and the correspondingly shaped A-pillar with a minimised shoulder height ensure the efficient drainage of water and spray hitting the windscreen, prevent the airflow from breaking off at this point and therefore avoid noises that might enter the interior via the windscreen and side windows. The roof structure and the automatic tilting/sliding roof module were subjected to further aeroacoustic development to improve noise comfort in this area as well. In the case of the panoramic sliding sunroof, numerous air deflection measures, covers and seals with the appropriate geometry ensure the same high level of noise comfort as in the preceding model, despite the larger opening aperture. The combined effect of these measures allows the new S-Class to achieve the desired aim of being the quietest vehicle in its segment.
A subdued, scarcely perceptible level of noise in the interior of the S-Class was the objective when configuring and coordinating the sound insulation measures.
Particular attention was paid to transmitted engine noise and road roar. During the acoustic optimisation work, the focus was both on lowering the sound pressure level and on achieving the well-balanced and comfortable overall sound perception that is a hallmark of the S-Class.
To ensure that engine noise is perceived as refined and unobtrusive in the interior, the firewall insulation was extended into the side areas of the A-pillars. Additional sealing levels were also added in the form of high-quality injection-moulded components.
A major contribution to the reduction in transmitted engine noise was made by improved insulation in the transmission tunnel area, as well as a modular engine partition made of plastic. The different noise characteristics of the engines are taken into account by the use of different weights per unit area.
The electrically adjustable rear seats available as an optional extra are free-standing. High-frequency tyre noise was reduced by a large area of insulation extending from the seat surface to the rear panel and parcel shelf.
Breakthroughs are kept to a minimum. An intelligent air ducting system inside the parcel shelf allows the necessary ventilation while reducing noise transmission via the parcel shelf. The textile underbody and wheel arch cladding has an insulating and absorptive effect which reduces high-frequency tyre noise in the interior.
The model range
The assignment: perfectionThe best automobile in the world – every new generation of the Mercedes-Benz S-Class has earned this accolade anew for itself. The logical goal in the book of specifications for the coming model was therefore: perfection to the last detail. New ideas and their painstaking realization underpin the high standards that the engineers have set for the Mercedes-Benz flagship model – and for themselves.
For the first time in the history of the S-Class, the development focus was on the long-wheelbase Saloon. Unlike before, the standard-wheelbase version was derived from this. This is because the S-Class is not only firmly positioned as a prestige saloon in the large overseas markets such as the USA, China or Japan.
Whereas in Europe and North America S-Class owners are frequently behind the wheel themselves, the flagship model in the Mercedes-Benz passenger car portfolio is very much a chauffeur-driven vehicle in Asia.
There are two body lengths to choose from: 5248 and 5116 millimetres – 42 and 40 millimetres longer than the predecessor model respectively.
Whereas the wheelbase has stayed the same at 3165 and 3035 millimetres, the track width has increased by 24 and 31 millimetres to 1624 (front) and 1637 millimetres (rear) respectively.
The occupants of the new S-Class benefit from the moderate increase in vehicle size by an improvement in all the interior dimensions: there are 12 millimetres more maximum headroom for the driver, as well as 14 millimetres more shoulder room and 10 millimetres more elbow room in the front. Thanks to the 14-millimetre increase in rear kneeroom, travel becomes even more comfortable for passengers in the rear. Shoulder room in the rear has been improved by up to nine millimetres.
*Please note: U.S. will get 100% Long Wheelbase.
Over 3.5 million customers and numerous awards
The Mercedes-Benz flagship model, which has now been known as the S-Class for over 40 years, has not only proven immensely popular with customers for many years. It also has a string of awards to its name, underlining its class. In 2011, for example, the S-Class received the award for best car in the luxury segment from the German magazine "auto motor und sport" and the accolade "Prestige Car of the Year" from "Motoring Television" in North America. In addition to this, the S-Class won the J. D. Power APEAL Award for the best vehicle in the segment in terms of efficiency, technology and design for the fourth time in succession in 2010. Furthermore, the S-Class underlined its pioneering role in the field of green technology in the premium segment by winning the "World Green Car of the Year 2012" award.
Visual breadth and calm solidityWith its clear architecture, the interior design of the S-Class embodies a classic, superior, cutting-edge saloon. The interior's expressive character derives from a uniquely fluid, sensuously elegant style. Horizontal elements and lines create a setting characterised by visual breadth and calm solidity. High quality and elegance harmonise with clarity and functionality: the interior design of the S-Class combines ride comfort, spaciousness and user-friendliness to the very highest standard.
The radically redesigned display extends behind the two-spoke steering wheel – reminiscent of the S-Class heritage – as a key element of the horizontal alignment. It replaces the traditional instrument cluster and combines numerous other functions in a visually and ergonomically highly sophisticated manner (see "New display concept" section). The entire display unit appears to be freefloating, an impression reinforced by ambience backlighting.
The high-quality unit formed by the centre air vents and the analogue clock is precisely set into three-dimensional wood trim. For the first time this classic wood trim feature is positioned very low. This creates a second level of decorative trim whose luxurious stitched leather lies in the primary field of vision. Both levels extend elegantly across the entire width of the dashboard and doors. With this layout the designers have created an association with the wingbeat of a bird. The result is an extraordinary impression of width combined with a pleasant, calm ambience.
The visually prominent dashboard is characterised by the striking double-S curve. This already made the preceding model unmistakable, and imparts a feeling of spaciousness, safety and security.
The perfectly coordinated use of materials and colours produces an elegant interior seemingly cast from a single mould. There is generous use of wood trim, especially in the dashboard and centre console. Metallised switch surfaces with pearl-effect paint finishes in three colour shades to suit the interior colour particularly highlight the outstanding quality.
Innovative lighting systems in the form of a continuous light band under the wood trim strips and the central display – a completely new dimension in ambience lighting – and elegant lighting units with stylish details in the headlining enhance the comfortable atmosphere. The number and size of the stowage facilities in the interior have been greatly increased compared to the preceding model.
Passengers in the rear are also seated in first-class – the design and exclusivity of the seats, door panels and all controls are to the same, high standard as the front. If a luxury or reclining seat (Executive seat) is specified for the rear, the backrest inclines backwards into the parcel shelf, which means that legroom is not restricted even in the resting position. As an additional individualization feature, the "First Class Rear" incorporates a Business centre console combining personal comfort with practical convenience (integration of a telephone handset, additional stowage compartments, folding table, etc.). The side finishers of the front seats are formally integrated and feature useful stowage compartments (see "Seats" section for details).
In combination with the first-class quality of materials and outstandingly high perceived value, the decidedly varied range of available appointments emphatically confirms the premium positioning of Mercedes-Benz. The innovative architecture of the interior design, which is based on both additive and integrating features, allows a choice of different and very individual styling in terms of colours and materials.
The standard appointments already meet high expectations. They include leather seat upholstery (long wheelbase), elegantly finished wood trim and surfaces with decorative topstitching. Various leather versions are available as optional extras, differing in their surface finish (e.g. patterned perforations and a hand-quilted look and feel), and also in terms of the relative leather and trim surfaces. The customer also has a choice of five interior colour arrangements combined with
five different types of exotic wood trim.
The interior design of the new S-Class was also influenced by the Mercedes-Benz Advanced Interior Design Studio in Como, whose primary task was also to explore how the highest possible perceived quality can be created.
Using the so-called "appreciation model", the designers were able to give free rein to their imagination and look for ways of translating these ideals into series production features. This led to a harmonious and luxurious interior whose design, character and perceived value are unrivalled.
Aerodynamics
Sleek, silent type
For almost three decades, the aerodynamic specialists at Mercedes-Benz have been breaking one record after another. At present the brand's models occupy the top position for aerodynamics in practically every vehicle segment. The new S-Class is likewise at the top of its segment in terms of aerodynamics and aeroacoustics.
The drag coefficient of the new S-Class (cd=0.24) undercuts the previous model's figure by two hundredths and sets a new benchmark in this segment.
A number of features and details have been aerodynamically optimised to achieve this result:
• Aerodynamically optimised front and rear apron with perfectly matched rear spoiler
• All-new aerodynamically and aeroacoustically optimised exterior mirrors
• Complete sealing of the front end with sealing of the headlamp section, improved sealing of the radiator section and airflow guidance to make efficient use of the available cooling air
• Use of a cooling air metering system (adjustable louvre)
• Water drain channels with optimum flow
• Lowering of the vehicle by up to 20 mm when the speed exceeds 120 km/h
• Spoiler lip on the tail lights
• Aerodynamically optimised underbody with extensive engine compartment and underbody panelling up to a point below the tank to also further minimise the penetration of road noise
• Aerodynamically shaped multi-purpose recess cover
• Special wheel spoilers ahead of the front wheels
• Aerodynamically optimised wheels and tyres
• Large area of cladding on the rear axle
Barely perceivable noise level in the interiorThe aeroacoustic specialists took specific measures to counter wind noises during their aerodynamic development work. To reduce high-frequency wind noise, the sealing systems around the windows and door handles were above all improved considerably. The newly designed exterior mirror and the correspondingly shaped A-pillar with a minimised shoulder height ensure the efficient drainage of water and spray hitting the windscreen, prevent the airflow from breaking off at this point and therefore avoid noises that might enter the interior via the windscreen and side windows. The roof structure and the automatic tilting/sliding roof module were subjected to further aeroacoustic development to improve noise comfort in this area as well. In the case of the panoramic sliding sunroof, numerous air deflection measures, covers and seals with the appropriate geometry ensure the same high level of noise comfort as in the preceding model, despite the larger opening aperture. The combined effect of these measures allows the new S-Class to achieve the desired aim of being the quietest vehicle in its segment.
A subdued, scarcely perceptible level of noise in the interior of the S-Class was the objective when configuring and coordinating the sound insulation measures.
Particular attention was paid to transmitted engine noise and road roar. During the acoustic optimisation work, the focus was both on lowering the sound pressure level and on achieving the well-balanced and comfortable overall sound perception that is a hallmark of the S-Class.
To ensure that engine noise is perceived as refined and unobtrusive in the interior, the firewall insulation was extended into the side areas of the A-pillars. Additional sealing levels were also added in the form of high-quality injection-moulded components.
A major contribution to the reduction in transmitted engine noise was made by improved insulation in the transmission tunnel area, as well as a modular engine partition made of plastic. The different noise characteristics of the engines are taken into account by the use of different weights per unit area.
The electrically adjustable rear seats available as an optional extra are free-standing. High-frequency tyre noise was reduced by a large area of insulation extending from the seat surface to the rear panel and parcel shelf.
Breakthroughs are kept to a minimum. An intelligent air ducting system inside the parcel shelf allows the necessary ventilation while reducing noise transmission via the parcel shelf. The textile underbody and wheel arch cladding has an insulating and absorptive effect which reduces high-frequency tyre noise in the interior.
The model range
The assignment: perfectionThe best automobile in the world – every new generation of the Mercedes-Benz S-Class has earned this accolade anew for itself. The logical goal in the book of specifications for the coming model was therefore: perfection to the last detail. New ideas and their painstaking realization underpin the high standards that the engineers have set for the Mercedes-Benz flagship model – and for themselves.
For the first time in the history of the S-Class, the development focus was on the long-wheelbase Saloon. Unlike before, the standard-wheelbase version was derived from this. This is because the S-Class is not only firmly positioned as a prestige saloon in the large overseas markets such as the USA, China or Japan.
Whereas in Europe and North America S-Class owners are frequently behind the wheel themselves, the flagship model in the Mercedes-Benz passenger car portfolio is very much a chauffeur-driven vehicle in Asia.
There are two body lengths to choose from: 5248 and 5116 millimetres – 42 and 40 millimetres longer than the predecessor model respectively.
Whereas the wheelbase has stayed the same at 3165 and 3035 millimetres, the track width has increased by 24 and 31 millimetres to 1624 (front) and 1637 millimetres (rear) respectively.
The occupants of the new S-Class benefit from the moderate increase in vehicle size by an improvement in all the interior dimensions: there are 12 millimetres more maximum headroom for the driver, as well as 14 millimetres more shoulder room and 10 millimetres more elbow room in the front. Thanks to the 14-millimetre increase in rear kneeroom, travel becomes even more comfortable for passengers in the rear. Shoulder room in the rear has been improved by up to nine millimetres.
*Please note: U.S. will get 100% Long Wheelbase.
Over 3.5 million customers and numerous awards
The Mercedes-Benz flagship model, which has now been known as the S-Class for over 40 years, has not only proven immensely popular with customers for many years. It also has a string of awards to its name, underlining its class. In 2011, for example, the S-Class received the award for best car in the luxury segment from the German magazine "auto motor und sport" and the accolade "Prestige Car of the Year" from "Motoring Television" in North America. In addition to this, the S-Class won the J. D. Power APEAL Award for the best vehicle in the segment in terms of efficiency, technology and design for the fourth time in succession in 2010. Furthermore, the S-Class underlined its pioneering role in the field of green technology in the premium segment by winning the "World Green Car of the Year 2012" award.
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Even in the year leading up to the model change, the S-Class continued to be very popular with customers. A total of 65,128 S-Class Saloon models were handed over to their new owners. The Mercedes-Benz brand's flagship model thus remained the world's best-selling luxury saloon.
Over 500,000 models from the last S-Class model series have been delivered to customers around the world since its launch in September 2005, meaning that this S-Class sold even better than the previous generation.
Since the launch of the 220 model that laid the foundations for the S-Class model series, Mercedes-Benz has delivered more than 3.5 million of these vehicles to customers all around the world.
Lights
The first ever car without a single light bulb
100 years or so after the introduction of electric lighting in motor vehicles, Mercedes-Benz is now making a complete switch to LED technology – the new S-Class is the first vehicle in the world to do without a single light bulb as standard. The lighting's multi-level functionality is another world first: out of consideration for any road users behind, the intensity of the brake
lights is reduced at night or while waiting at traffic lights. Meanwhile, visibility is enhanced by two assistance systems that have undergone some key improvements – Adaptive Highbeam Assist Plus and Night View Assist Plus.
Mercedes-Benz is further underlining its pioneering role in the field of lighting technology: the new S-Class does not have a single light bulb on board. Almost 500 LEDs assume the task of illuminating the road, vehicle, interior and luggage compartment. Depending on equipment, these are:
• Headlamps: each with up to 56 LEDs
• Tail lights: each with up to 35 LEDs (plus 4 for the rear fog lamp)
• Interior (including ambient lighting): approx. 300 LEDs
"With its long life and a colour temperature resembling daylight, LED technology already had a great deal in its favour," remarks Prof. Thomas Weber, Member of the Daimler Board of Management responsible for Group Research and Head of Development, Mercedes-Benz Cars. "Now, though, our engineers have made great advances where energy efficiency is concerned too, reducing power
consumption to a quarter of that of conventional headlamps."
The new energy-saving LED low-beam headlamps, for instance, require 34 watts to produce the same light output, making them notably more efficient than halogen (120 watts) and xenon light sources (84 watts, all figures per vehicle). This translates into a saving of 0.05 litres of fuel per 100 kilometres or 2.1 grams of CO2 per kilometre compared to a vehicle fitted with halogen low-beam headlamps. Efficiency is given a further crucial boost by new, high performance single-chip LED diodes and a newly developed projector module in the headlamp unit, in which deflected beams of light are reflected back again.
Even the entry-level model in the new luxury saloon range will come with all-LED lighting. The supplementary functions of the Intelligent Light System as well as Adaptive Highbeam Assist Plus can be added as options.
Permanent high beam with no dazzling: Adaptive Highbeam Assist PlusFor the first time, Adaptive Highbeam Assist Plus allows the high-beam headlamps to be kept on permanently while driving by masking out any other road user detected in the beams' cone of light. If the camera-based system registers either oncoming traffic or vehicles ahead, it will adapt the light
distribution according to the specific situation when the high beam is switched on. Consequently, the driver can simply leave the high-beam headlamps on at all times and use their full range without irritating or even endangering other road users. There is no need to switch them on and off manually, resulting in a significant increase in the overall driving time with high beam.
The Adaptive Highbeam Assist Plus likewise makes use of the new stereo camera also employed by other assistance systems. If its image recognition algorithm picks up a vehicle that is oncoming or driving ahead, it actuates a mechanism in the headlamp module. This then masks the portion of the LED headlamp's main-beam cone of light where there are other vehicles to prevent their drivers being dazzled. If road users are detected outside the area that can be masked – for instance when cornering with multiple vehicles in the headlamps' beams – the system will switch to the familiar system of headlamp range control using the low-beam headlamps.
Possible backglare caused by increased use of the high beam and highly reflective signs at the side of the road is also detected and eliminated by dimming the headlamps accordingly.
Considerate to others: tail lights with automatic intensity control
The new S-Class shows itself to be highly considerate of its fellow road users – in another way, too: Mercedes-Benz has achieved yet another world first by developing tail lights with multi-level functionality, meaning that the brake lights and indicators are operated at varying intensities depending on the current driving state and the brightness of the environment (day/night).
If the Mercedes driver presses the brake pedal while stopped at traffic lights at night, for instance, the brightness of the brake lights will be automatically dimmed to avoid dazzling anyone behind. The light distribution is broadened to ensure the lights do not become too dark and continue to fulfil all legal requirements.
Detects pedestrians and animals: the advanced Night View Assist PlusFor the first time, the new Night View Assist Plus is capable of detecting not just pedestrians in potentially hazardous positions in front of the vehicle, but animals too. This third-generation night vision system automatically switches the instrument cluster display from the speedometer to a crystal-sharp night view image to alert the driver in particularly relevant situations (darkness, unlit roads at speeds over 60 km/h). Any pedestrians or animals detected ahead are highlighted in colour in this image.
In such situations the spotlight function is additionally used to repeatedly flash pedestrians in the warning zone by means of a special module in the front headlamps. This attracts the driver's attention to the source of the danger at the same time as warning the person on the side of the road. Animals are purposely not flashed since their reaction to light is unpredictable. Manual cut-in of the grey-scale image is possible at any time; pedestrian and animal detection and the corresponding highlighting now also are available in urban areas during darkness (illuminated roads, speed less than 60 km/h) if the greyscale image is activated permanently.
An additional (long-range) infrared sensor in the radiator grille supplements the proven Mercedes-Benz night vision technology. It is able to detect pedestrians at a distance of up to 160 metres, and animals such as deer, horses and cattle at up to 100 metres. Two separate light sources in the headlamp assemblies light up the area in front of the vehicle with invisible infrared light. This enables the (short-range) infrared camera positioned behind the windscreen next to the rearview mirror to produce a sharp greyscale image in the instrument cluster display. This image can also be shown in the display permanently if desired at the press of a single button.
Good vision also is ensured by MAGIC VISION CONTROL. The system cleans the windscreen without the splash of water that usually briefly disrupts the driver's field of view in the case of conventional windscreen washing systems. With MAGIC VISION CONTROL, the fluid is supplied to the windscreen by means of water guides integrated on both sides along the wiper blade and minute
spraying holes. This Mercedes-Benz innovation had its world premiere last year in the Mercedes-Benz SL and has been augmented by speed-sensitive control for the S-Class.
Control and display concept
Elegant new control centre
Two high-resolution TFT colour displays in 8:3 format with a screen diagonal of 30.7 cm (12.3 inches) form the new information centre in the S-Class. The left-hand display performs the functions of the previous instrument cluster, providing the driver with all relevant information. The right-hand display allows the convenient control of infotainment and comfort functions. Ergonomics, operating convenience and safety along with attractiveness and aesthetics were the main considerations for the newly designed control and display concept.
For the S-Class, the constantly increasing need to integrate additional functions into the vehicle led to a further development of the entire operating logic. The aim in designing the control and display features was to group controls and display functions together in a coherent manner in terms of both design and functionality. Apart from the new displays, the metallised switch surfaces and solid aluminium controls are visual highlights of particularly high quality.
Thanks to the fine structuring on the metal surfaces, each individual control has the sound, feel and attention to detail that make Mercedes-Benz something very special.
The well-proven Mercedes-Benz operating philosophy with a multifunction steering wheel, DIRECT SELECT transmission selector lever and COMAND Controller in the centre console has been retained. The engineers have, however, taken a new approach with the large high-resolution display depicting the instrument cluster, a display area showing the driving assistance systems next to the rotary light switch and a new position for the cruise control stalk, on the left below the combination switch for the wipers and indicators.
With Mercedes-Benz COMAND Online the customer is now able to adapt the contents of the central display to personal requirements. With the exception of the navigation map (which always fills the complete display area), the central display is divided into a main area (2/3 on the right of the screen) and an additional area (1/3 on the left side of the screen). In standard configuration the additional area shows supplementary information about the selected main application, e.g. if the radio function is active, the artist and song title are shown, or the current channel in the case of TV. If required, it is also possible to permanently display a preferred content item in the additional area, for example a small navigate on map, fuel consumption display, data connection display or entertainment information. High-quality visualisation and animations make for easy control: changes to the settings for the climate control or seats, for instance, are immediately visible and therefore easy to follow.
The two screen displays have a "Corona" for effect, making the display appear to be floating in space. This lighting can be individualised in seven colours as an option. Like the switch and controls illumination, the brightness can be adjusted using a rotary control between the instrument cluster and central display.
Optionally, individual brightness levels can be set for the different lighting zones in the vehicle interior using the vehicle functions of the COMAND Online system.
The new instrument cluster: important information at a glance
The architecture of the instrument cluster in the S-Class signals a new departure for Mercedes-Benz. For the first time a large TFT colour display with a screen diagonal of 30.7 cm (12.3 inches) in 8:3 format is used to display driver information. The large screen provides much more scope with respect to the presentation of contents, animation of displays and vehicle-related information, especially where the onboard assistance functions are concerned. The design of the two large dial instruments showing the vehicle speed (left) and rpm (right) follows the classic style. The menu for "Journey", "Navigation" and "Media" and the relevant sub-menus accessible between the two dial instruments are also familiar in principle, and are operated using the steering wheel function keys as before.
The central area between the dial instruments shows the driving assistance systems. When they intervene, the actions of systems such as DISTRONIC PLUS, Stop&Go Pilot, Active Blind Spot Assist and Active Lane Keeping Assist are notified to the driver by visualisation. The image from Night View Assist Plus is now also shown between the two instruments, where it is easily visible. In the process the circular scales of the two displays are reduced to three-quarter circles with revised scaling to provide the largest possible area for the camera image. In the central area of the display the driver also receives visual support when searching for a parking space. Active Parking Assist with PARKTRONIC shows recognised parking spaces (left/right, parallel or end-on parking) and guides the driver through the parking procedure. The graphics in this display resemble actual perspective views rather than two-dimensional images from above. Recognised speed limits and any supplementary signs are now shown in the speedometer for easy visibility.
Over 500,000 models from the last S-Class model series have been delivered to customers around the world since its launch in September 2005, meaning that this S-Class sold even better than the previous generation.
Since the launch of the 220 model that laid the foundations for the S-Class model series, Mercedes-Benz has delivered more than 3.5 million of these vehicles to customers all around the world.
Lights
The first ever car without a single light bulb
100 years or so after the introduction of electric lighting in motor vehicles, Mercedes-Benz is now making a complete switch to LED technology – the new S-Class is the first vehicle in the world to do without a single light bulb as standard. The lighting's multi-level functionality is another world first: out of consideration for any road users behind, the intensity of the brake
lights is reduced at night or while waiting at traffic lights. Meanwhile, visibility is enhanced by two assistance systems that have undergone some key improvements – Adaptive Highbeam Assist Plus and Night View Assist Plus.
Mercedes-Benz is further underlining its pioneering role in the field of lighting technology: the new S-Class does not have a single light bulb on board. Almost 500 LEDs assume the task of illuminating the road, vehicle, interior and luggage compartment. Depending on equipment, these are:
• Headlamps: each with up to 56 LEDs
• Tail lights: each with up to 35 LEDs (plus 4 for the rear fog lamp)
• Interior (including ambient lighting): approx. 300 LEDs
"With its long life and a colour temperature resembling daylight, LED technology already had a great deal in its favour," remarks Prof. Thomas Weber, Member of the Daimler Board of Management responsible for Group Research and Head of Development, Mercedes-Benz Cars. "Now, though, our engineers have made great advances where energy efficiency is concerned too, reducing power
consumption to a quarter of that of conventional headlamps."
The new energy-saving LED low-beam headlamps, for instance, require 34 watts to produce the same light output, making them notably more efficient than halogen (120 watts) and xenon light sources (84 watts, all figures per vehicle). This translates into a saving of 0.05 litres of fuel per 100 kilometres or 2.1 grams of CO2 per kilometre compared to a vehicle fitted with halogen low-beam headlamps. Efficiency is given a further crucial boost by new, high performance single-chip LED diodes and a newly developed projector module in the headlamp unit, in which deflected beams of light are reflected back again.
Even the entry-level model in the new luxury saloon range will come with all-LED lighting. The supplementary functions of the Intelligent Light System as well as Adaptive Highbeam Assist Plus can be added as options.
Permanent high beam with no dazzling: Adaptive Highbeam Assist PlusFor the first time, Adaptive Highbeam Assist Plus allows the high-beam headlamps to be kept on permanently while driving by masking out any other road user detected in the beams' cone of light. If the camera-based system registers either oncoming traffic or vehicles ahead, it will adapt the light
distribution according to the specific situation when the high beam is switched on. Consequently, the driver can simply leave the high-beam headlamps on at all times and use their full range without irritating or even endangering other road users. There is no need to switch them on and off manually, resulting in a significant increase in the overall driving time with high beam.
The Adaptive Highbeam Assist Plus likewise makes use of the new stereo camera also employed by other assistance systems. If its image recognition algorithm picks up a vehicle that is oncoming or driving ahead, it actuates a mechanism in the headlamp module. This then masks the portion of the LED headlamp's main-beam cone of light where there are other vehicles to prevent their drivers being dazzled. If road users are detected outside the area that can be masked – for instance when cornering with multiple vehicles in the headlamps' beams – the system will switch to the familiar system of headlamp range control using the low-beam headlamps.
Possible backglare caused by increased use of the high beam and highly reflective signs at the side of the road is also detected and eliminated by dimming the headlamps accordingly.
Considerate to others: tail lights with automatic intensity control
The new S-Class shows itself to be highly considerate of its fellow road users – in another way, too: Mercedes-Benz has achieved yet another world first by developing tail lights with multi-level functionality, meaning that the brake lights and indicators are operated at varying intensities depending on the current driving state and the brightness of the environment (day/night).
If the Mercedes driver presses the brake pedal while stopped at traffic lights at night, for instance, the brightness of the brake lights will be automatically dimmed to avoid dazzling anyone behind. The light distribution is broadened to ensure the lights do not become too dark and continue to fulfil all legal requirements.
Detects pedestrians and animals: the advanced Night View Assist PlusFor the first time, the new Night View Assist Plus is capable of detecting not just pedestrians in potentially hazardous positions in front of the vehicle, but animals too. This third-generation night vision system automatically switches the instrument cluster display from the speedometer to a crystal-sharp night view image to alert the driver in particularly relevant situations (darkness, unlit roads at speeds over 60 km/h). Any pedestrians or animals detected ahead are highlighted in colour in this image.
In such situations the spotlight function is additionally used to repeatedly flash pedestrians in the warning zone by means of a special module in the front headlamps. This attracts the driver's attention to the source of the danger at the same time as warning the person on the side of the road. Animals are purposely not flashed since their reaction to light is unpredictable. Manual cut-in of the grey-scale image is possible at any time; pedestrian and animal detection and the corresponding highlighting now also are available in urban areas during darkness (illuminated roads, speed less than 60 km/h) if the greyscale image is activated permanently.
An additional (long-range) infrared sensor in the radiator grille supplements the proven Mercedes-Benz night vision technology. It is able to detect pedestrians at a distance of up to 160 metres, and animals such as deer, horses and cattle at up to 100 metres. Two separate light sources in the headlamp assemblies light up the area in front of the vehicle with invisible infrared light. This enables the (short-range) infrared camera positioned behind the windscreen next to the rearview mirror to produce a sharp greyscale image in the instrument cluster display. This image can also be shown in the display permanently if desired at the press of a single button.
Good vision also is ensured by MAGIC VISION CONTROL. The system cleans the windscreen without the splash of water that usually briefly disrupts the driver's field of view in the case of conventional windscreen washing systems. With MAGIC VISION CONTROL, the fluid is supplied to the windscreen by means of water guides integrated on both sides along the wiper blade and minute
spraying holes. This Mercedes-Benz innovation had its world premiere last year in the Mercedes-Benz SL and has been augmented by speed-sensitive control for the S-Class.
Control and display concept
Elegant new control centre
Two high-resolution TFT colour displays in 8:3 format with a screen diagonal of 30.7 cm (12.3 inches) form the new information centre in the S-Class. The left-hand display performs the functions of the previous instrument cluster, providing the driver with all relevant information. The right-hand display allows the convenient control of infotainment and comfort functions. Ergonomics, operating convenience and safety along with attractiveness and aesthetics were the main considerations for the newly designed control and display concept.
For the S-Class, the constantly increasing need to integrate additional functions into the vehicle led to a further development of the entire operating logic. The aim in designing the control and display features was to group controls and display functions together in a coherent manner in terms of both design and functionality. Apart from the new displays, the metallised switch surfaces and solid aluminium controls are visual highlights of particularly high quality.
Thanks to the fine structuring on the metal surfaces, each individual control has the sound, feel and attention to detail that make Mercedes-Benz something very special.
The well-proven Mercedes-Benz operating philosophy with a multifunction steering wheel, DIRECT SELECT transmission selector lever and COMAND Controller in the centre console has been retained. The engineers have, however, taken a new approach with the large high-resolution display depicting the instrument cluster, a display area showing the driving assistance systems next to the rotary light switch and a new position for the cruise control stalk, on the left below the combination switch for the wipers and indicators.
With Mercedes-Benz COMAND Online the customer is now able to adapt the contents of the central display to personal requirements. With the exception of the navigation map (which always fills the complete display area), the central display is divided into a main area (2/3 on the right of the screen) and an additional area (1/3 on the left side of the screen). In standard configuration the additional area shows supplementary information about the selected main application, e.g. if the radio function is active, the artist and song title are shown, or the current channel in the case of TV. If required, it is also possible to permanently display a preferred content item in the additional area, for example a small navigate on map, fuel consumption display, data connection display or entertainment information. High-quality visualisation and animations make for easy control: changes to the settings for the climate control or seats, for instance, are immediately visible and therefore easy to follow.
The two screen displays have a "Corona" for effect, making the display appear to be floating in space. This lighting can be individualised in seven colours as an option. Like the switch and controls illumination, the brightness can be adjusted using a rotary control between the instrument cluster and central display.
Optionally, individual brightness levels can be set for the different lighting zones in the vehicle interior using the vehicle functions of the COMAND Online system.
The new instrument cluster: important information at a glance
The architecture of the instrument cluster in the S-Class signals a new departure for Mercedes-Benz. For the first time a large TFT colour display with a screen diagonal of 30.7 cm (12.3 inches) in 8:3 format is used to display driver information. The large screen provides much more scope with respect to the presentation of contents, animation of displays and vehicle-related information, especially where the onboard assistance functions are concerned. The design of the two large dial instruments showing the vehicle speed (left) and rpm (right) follows the classic style. The menu for "Journey", "Navigation" and "Media" and the relevant sub-menus accessible between the two dial instruments are also familiar in principle, and are operated using the steering wheel function keys as before.
The central area between the dial instruments shows the driving assistance systems. When they intervene, the actions of systems such as DISTRONIC PLUS, Stop&Go Pilot, Active Blind Spot Assist and Active Lane Keeping Assist are notified to the driver by visualisation. The image from Night View Assist Plus is now also shown between the two instruments, where it is easily visible. In the process the circular scales of the two displays are reduced to three-quarter circles with revised scaling to provide the largest possible area for the camera image. In the central area of the display the driver also receives visual support when searching for a parking space. Active Parking Assist with PARKTRONIC shows recognised parking spaces (left/right, parallel or end-on parking) and guides the driver through the parking procedure. The graphics in this display resemble actual perspective views rather than two-dimensional images from above. Recognised speed limits and any supplementary signs are now shown in the speedometer for easy visibility.
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Mercedes customers will find the classic displays and warning lamps easy to recognise. The distance information for the front PARKTRONIC sensors (left/right) is shown at the top, between the two dial instruments. Above this are the control lamps for the indicators/hazard warning system, lighting functions (parking lights, high beam, fog lamps, low beam) and the distance warning. The outside temperature is shown in the centre at the top. The fuel gauge showing the volume in percent is located in the speedometer (6 o'clock position), and the speedometer also accommodates the control lamps for the ESP® functions, ABS, the warning lamps for the airbags (SRS – Supplemental Restraint System), the seat belts and the tyre pressure monitoring system. The coolant temperature appears in the 6 o'clock position in the rev counter, which also shows the current transmission mode, automatic transmission gear and the function displays for the electric parking brake, brake lining wear indicator and engine diagnosis.
Support for the driver: the ECO display
If required, three bar charts in the instrument cluster give the driver feedback about the economy of their driving style. The ECO display responds positively if the driver accelerates moderately, drives smoothly in an anticipatory manner and avoids unnecessary braking. The three bar readings stand at 100% if driving is particularly economical according to these criteria. When starting off all the values are at 50 percent, and a particularly unfavourable driving style causes them to decline. The aim is to arouse a competitive desire in the driver to achieve 100 percent if possible.
Central display: the control centre for infotainment and comfort
An all-new COMAND Online generation has its world premiere in the new S-Class. It excels with intuitive operation and the immediacy of its functions, thanks to animated menus and images on a large display (12.3 inches) in 8:3 format with a resolution of 1440 x 540 pixels. For video and TV reproduction a part of the screen corresponding to the 16:9 format is used.
The large display is used for animations and 3D effects. An additional area on the display simplifies operation with a context-related representation of the current application or permanent display of the navigation map.
The animated high-resolution display concept is particularly impressive where the Digital Owner's Manual for COMAND Online is concerned. Depending on the level of appointments, there is a context-sensitive display of the contents for the individual vehicle, and even retrofits are taken into account.
Operation: touch-sensitive telephone keypad, extended voice control, two different remote controls
The new control features include a touch-sensitive telephone keypad and an extended favourites function with twelve freely selectable memory places. The principal control element is the rotary pushbutton, with the usual direct access keys in the centre console for the most important functions.
Voice entry using LINGUATRONIC via the Speech Dialog System allows complete addresses to be spoken in one go, for example (one-shot input). The telephone and audio systems can also be voice-controlled. The option of having text messages (SMS) or emails read out is a new feature. Polish and Finnish are newly available languages, and Arabic is now fully supported.
The new COMAND Online also comes with two remote control variants:
- basic remote control (high-quality unit with chrome)
- iPhone®/Android app with remote control function via WLAN
Apart from showing and operating the COMAND Online functions (internet browsing, reading and writing SMS and email, internet radio, Mercedes-Benz services), the telephony functions, navigation, radio and TV plus the sound systems (see "Multimedia features" section), the central display shows and operates the many comfort functions, some of which are new. They include:
• Multifunction seats (contour and ENERGIZING massage function with programmes), settings
• Seat heating Plus
• Air conditioning, perfume atomisation, ionisation, panel heating
• Vehicle functions (ambient lighting in seven colours, locator lighting)
Seats
Mobile office and centre of wellbeing
With numerous world firsts such as the ENERGIZING massage function based on the hot-stone principle or active seat ventilation with reversing fans, Mercedes-Benz has raised seating and climatic comfort in the S-Class to a new level. The seat developers have paid particular attention to the rear seats. There is a choice of five different rear seat variants including an Executive seat with a backrest angle adjustable by up to 43.5 degrees, allowing occupants in the rear to concentrate on work or relax in comfort.
Intelligent lightweight construction was the watchword during development of the seats. At less than 20 kilograms, the structure of a front seat weighs around 20 percent less than conventional designs. This is in large measure due to the sandwich construction of the side sections on the seat frame, which consist of a two-piece, high-strength steel shell with integrated plastic inserts. This enables the forces from the backrest attachments to be symmetrically introduced into the seat base. There is a further advantage for the seat belt system: unlike with other seat structures, the belt buckle and anchor fitting not only move with any fore-aft adjustment, but also with seat height adjustment. Whatever the size of the seat occupant, this always ensures the best possible belt fit and maximum safety.
The front seats of the new S-Class are electrically adjustable for length, height, inclination and seat cushion depth. The 4-way Power lumbar support and head restraint height can be equally conveniently adjusted at the touch of a button. If the Memory package is specified for the driver and front passenger, the front passenger seat can also be adjusted by the driver if required.
Thanks to wide-ranging adjustments, occupants of very different sizes are seated very comfortably in the new S-Class. The figures:
• Fore-and-aft adjustment: 290 millimetres
• Seat height: 65 millimetres
• Seat cushion depth: 65 millimetres
• Head restraint height: 60 millimetres
• Cushion angle: +/- 2.5 degrees
• Backrest angle: 27 degrees forward
The sophisticated upholstery structure of the front seat backrests includes Pullmaflex springing and a natural fibre/rubberised hair insert lined with cut foam. In the seat cushion, the flat spring core of the cushion base has a contoured foam insert lined with cut foam. In each case the seat cover has a fleece lining.
The front head restraints are adjustable both vertically and horizontally.
Optionally available electric horizontal adjustment (EASY ADJUST luxury head restraint) is new in the S-Class, and optimises the distance between the occupant's head and the head restraint to lower the risk of whiplash injuries in an accident.
Numerous innovative features enhance both seating and climatic comfort – an overview of the most important new developments:
The "Seat Comfort package for driver and front passenger" includes a world first in the form of the ENERGIZING massage function on the hot-stone principle.
In collaboration with physiotherapists and psychologists, the seating experts at Mercedes-Benz have developed a unique massage system with 14 separately actuated air chambers in the backrest and an integrated warming function. There is a choice of six massage programmes, two of which are heat-assisted. In addition the package includes active multicontour seats with further improved dynamic functions, which have been awarded a seal of approval by AGR, an organisation promoting spinal health.
The climatised seats mark yet another debut: for the first time, so-called reversing fans are used in the active seat ventilation system. Here the rotational direction of the fan, and therefore the airflow within the seat structure, can be reversed. When the ventilation function first begins, cooler surrounding air is drawn onto the seat surface. This enables the surface temperature of a heated-up seat to be reduced much faster than with the previous active cooling systems.
After four minutes the fans are automatically switched to blower mode to reduce draughts and therefore ensure sustained comfort. Together with the perforated leather, four fans in the seat cushion and two fans in the backrest ensure a uniform relative air humidity where the occupant's body meets the seat. The intensity can be adjusted in three stages according to individual requirements.
In combination with seat heating, each occupant is able to find the ideal climatic seating comfort. Using the head unit, the customer is able to set an optimal heating output for seat cushion and backrest and activate the quick-response seat heating. In the main seat area this provides a heating output of up to 2000 watts per square metre.
The "EASY ADJUST luxury head restraint" adjusts itself automatically when the backrest position of the driver or front passenger seat is changed. This keeps the distance between the head and the restraint constant. On the front passenger side the head restraint can be folded down or removed, allowing the rear passenger an unobstructed view to the front.
If the S-Class is ordered with the "Chauffeur package", the rear seat occupant on the front passenger side has 77 millimetres more maximum kneeroom. This is because the front passenger seat can be moved 40 millimetres further forward, and a further 37 millimetres of space can be obtained thanks to a 4-link system. In addition to this "chauffeur position" the front passenger seat can be folded forwards or placed in an extended-recline position (for details see next section "The rear seats"). The EASY ADJUST luxury head restraint is standard equipment with the "Chauffeur package", as is a heel support for the rear passenger which extends from under the front passenger seat if the long-wheelbase version is ordered.
Luxury and reclining seat on request: the rear seats
Whereas in Europe and North America S-Class owners are frequently behind the wheel themselves, the flagship model in the Mercedes-Benz passenger car portfolio is very definitely a chauffeur-driven vehicle in Asia. The logical consequence is the particular attention devoted to the rear by the seat
developers. The rear seats are therefore right in the forefront when it comes to seating/climatic comfort and passive safety.
Two rear seat variants (static bench seat or individual seats with 37-degree adjustment) are available for the short-wheelbase S-Class, and no less than five for the long-wheelbase version - see table on the next page. The adjustment kinematics have been changed in the luxury and reclining seat variants. Unlike the conventional trailing backrest design, the backrest is adjusted separately so that the legroom and seat reference point remain unchanged. The cushion can be separately adjusted for angle and horizontal position.
The maximum backrest angle of the Executive seat (reclining seat) on the front passenger side is increased from 37 to 43.5 degrees, giving it the largest backrest inclination in the luxury segment. The reclining seat behind the front passenger seat features a calf support which is freely adjustable for length and angle. In combination with the heel rest on the folding chauffeur seat (see section "Front seats") and an additional comfort cushion, this allows a reclined position that sets new standards in the automobile sector with respect to sleeping and resting comfort.
The individual seat functions in the rear, and those of the chauffeur seat, are operated via the typical Mercedes control panels in the rear doors. The "resting position" key is pressed to bring the front passenger seat and rear seat into the reclining position.
The most upright backrest position of 19 degrees in the luxury and reclining seat variants allows relaxed working in the rear.
The "First-Class rear suite" (centre console in the rear) is a visual continuation of the front console on the transmission tunnel. It is equipped with innovative thermo-cupholders which use Peltier technology to cool or warm drinks over a longer period of time.
Like an aircraft seat, the centre console is available with two tables which can be easily folded in or out using one hand. Two articulated joints on the stem and underside of the table enable it to be adjusted to almost any position. The table supports and surface are of light alloy, combining great stability with a high quality look. The table surfaces have leather inserts to provide a comfortable writing surface.
The optional "Rear Seat Comfort package" also makes the innovative ENERGIZING massage function on the hot-stone principle available for the rear seats. The package also includes active multicontour seats in the rear (without dynamic control function).
Setting the standard for safety in the rear: new features in the S-Class
Mercedes-Benz has extended the safety system for rear seat passengers further with the seat belt buckle extender, the beltbag and the cushionbag. The first two of these developments are included in the "PRE-SAFE® rear package". With the seat belt buckle extender, an electric motor extends and retracts the belt buckle automatically. In this way, any belt slack in the area of the pelvis and thorax can be reduced so that passengers are secured more firmly in both the sideways and the lengthways direction. The seat belt buckle emerges from the upholstery when the rear doors are opened and is provided with an illuminated insertion slot. Making the belt-fastening procedure easier may lead to increased use of rear seat belts.
Support for the driver: the ECO display
If required, three bar charts in the instrument cluster give the driver feedback about the economy of their driving style. The ECO display responds positively if the driver accelerates moderately, drives smoothly in an anticipatory manner and avoids unnecessary braking. The three bar readings stand at 100% if driving is particularly economical according to these criteria. When starting off all the values are at 50 percent, and a particularly unfavourable driving style causes them to decline. The aim is to arouse a competitive desire in the driver to achieve 100 percent if possible.
Central display: the control centre for infotainment and comfort
An all-new COMAND Online generation has its world premiere in the new S-Class. It excels with intuitive operation and the immediacy of its functions, thanks to animated menus and images on a large display (12.3 inches) in 8:3 format with a resolution of 1440 x 540 pixels. For video and TV reproduction a part of the screen corresponding to the 16:9 format is used.
The large display is used for animations and 3D effects. An additional area on the display simplifies operation with a context-related representation of the current application or permanent display of the navigation map.
The animated high-resolution display concept is particularly impressive where the Digital Owner's Manual for COMAND Online is concerned. Depending on the level of appointments, there is a context-sensitive display of the contents for the individual vehicle, and even retrofits are taken into account.
Operation: touch-sensitive telephone keypad, extended voice control, two different remote controls
The new control features include a touch-sensitive telephone keypad and an extended favourites function with twelve freely selectable memory places. The principal control element is the rotary pushbutton, with the usual direct access keys in the centre console for the most important functions.
Voice entry using LINGUATRONIC via the Speech Dialog System allows complete addresses to be spoken in one go, for example (one-shot input). The telephone and audio systems can also be voice-controlled. The option of having text messages (SMS) or emails read out is a new feature. Polish and Finnish are newly available languages, and Arabic is now fully supported.
The new COMAND Online also comes with two remote control variants:
- basic remote control (high-quality unit with chrome)
- iPhone®/Android app with remote control function via WLAN
Apart from showing and operating the COMAND Online functions (internet browsing, reading and writing SMS and email, internet radio, Mercedes-Benz services), the telephony functions, navigation, radio and TV plus the sound systems (see "Multimedia features" section), the central display shows and operates the many comfort functions, some of which are new. They include:
• Multifunction seats (contour and ENERGIZING massage function with programmes), settings
• Seat heating Plus
• Air conditioning, perfume atomisation, ionisation, panel heating
• Vehicle functions (ambient lighting in seven colours, locator lighting)
Seats
Mobile office and centre of wellbeing
With numerous world firsts such as the ENERGIZING massage function based on the hot-stone principle or active seat ventilation with reversing fans, Mercedes-Benz has raised seating and climatic comfort in the S-Class to a new level. The seat developers have paid particular attention to the rear seats. There is a choice of five different rear seat variants including an Executive seat with a backrest angle adjustable by up to 43.5 degrees, allowing occupants in the rear to concentrate on work or relax in comfort.
Intelligent lightweight construction was the watchword during development of the seats. At less than 20 kilograms, the structure of a front seat weighs around 20 percent less than conventional designs. This is in large measure due to the sandwich construction of the side sections on the seat frame, which consist of a two-piece, high-strength steel shell with integrated plastic inserts. This enables the forces from the backrest attachments to be symmetrically introduced into the seat base. There is a further advantage for the seat belt system: unlike with other seat structures, the belt buckle and anchor fitting not only move with any fore-aft adjustment, but also with seat height adjustment. Whatever the size of the seat occupant, this always ensures the best possible belt fit and maximum safety.
The front seats of the new S-Class are electrically adjustable for length, height, inclination and seat cushion depth. The 4-way Power lumbar support and head restraint height can be equally conveniently adjusted at the touch of a button. If the Memory package is specified for the driver and front passenger, the front passenger seat can also be adjusted by the driver if required.
Thanks to wide-ranging adjustments, occupants of very different sizes are seated very comfortably in the new S-Class. The figures:
• Fore-and-aft adjustment: 290 millimetres
• Seat height: 65 millimetres
• Seat cushion depth: 65 millimetres
• Head restraint height: 60 millimetres
• Cushion angle: +/- 2.5 degrees
• Backrest angle: 27 degrees forward
The sophisticated upholstery structure of the front seat backrests includes Pullmaflex springing and a natural fibre/rubberised hair insert lined with cut foam. In the seat cushion, the flat spring core of the cushion base has a contoured foam insert lined with cut foam. In each case the seat cover has a fleece lining.
The front head restraints are adjustable both vertically and horizontally.
Optionally available electric horizontal adjustment (EASY ADJUST luxury head restraint) is new in the S-Class, and optimises the distance between the occupant's head and the head restraint to lower the risk of whiplash injuries in an accident.
Numerous innovative features enhance both seating and climatic comfort – an overview of the most important new developments:
The "Seat Comfort package for driver and front passenger" includes a world first in the form of the ENERGIZING massage function on the hot-stone principle.
In collaboration with physiotherapists and psychologists, the seating experts at Mercedes-Benz have developed a unique massage system with 14 separately actuated air chambers in the backrest and an integrated warming function. There is a choice of six massage programmes, two of which are heat-assisted. In addition the package includes active multicontour seats with further improved dynamic functions, which have been awarded a seal of approval by AGR, an organisation promoting spinal health.
The climatised seats mark yet another debut: for the first time, so-called reversing fans are used in the active seat ventilation system. Here the rotational direction of the fan, and therefore the airflow within the seat structure, can be reversed. When the ventilation function first begins, cooler surrounding air is drawn onto the seat surface. This enables the surface temperature of a heated-up seat to be reduced much faster than with the previous active cooling systems.
After four minutes the fans are automatically switched to blower mode to reduce draughts and therefore ensure sustained comfort. Together with the perforated leather, four fans in the seat cushion and two fans in the backrest ensure a uniform relative air humidity where the occupant's body meets the seat. The intensity can be adjusted in three stages according to individual requirements.
In combination with seat heating, each occupant is able to find the ideal climatic seating comfort. Using the head unit, the customer is able to set an optimal heating output for seat cushion and backrest and activate the quick-response seat heating. In the main seat area this provides a heating output of up to 2000 watts per square metre.
The "EASY ADJUST luxury head restraint" adjusts itself automatically when the backrest position of the driver or front passenger seat is changed. This keeps the distance between the head and the restraint constant. On the front passenger side the head restraint can be folded down or removed, allowing the rear passenger an unobstructed view to the front.
If the S-Class is ordered with the "Chauffeur package", the rear seat occupant on the front passenger side has 77 millimetres more maximum kneeroom. This is because the front passenger seat can be moved 40 millimetres further forward, and a further 37 millimetres of space can be obtained thanks to a 4-link system. In addition to this "chauffeur position" the front passenger seat can be folded forwards or placed in an extended-recline position (for details see next section "The rear seats"). The EASY ADJUST luxury head restraint is standard equipment with the "Chauffeur package", as is a heel support for the rear passenger which extends from under the front passenger seat if the long-wheelbase version is ordered.
Luxury and reclining seat on request: the rear seats
Whereas in Europe and North America S-Class owners are frequently behind the wheel themselves, the flagship model in the Mercedes-Benz passenger car portfolio is very definitely a chauffeur-driven vehicle in Asia. The logical consequence is the particular attention devoted to the rear by the seat
developers. The rear seats are therefore right in the forefront when it comes to seating/climatic comfort and passive safety.
Two rear seat variants (static bench seat or individual seats with 37-degree adjustment) are available for the short-wheelbase S-Class, and no less than five for the long-wheelbase version - see table on the next page. The adjustment kinematics have been changed in the luxury and reclining seat variants. Unlike the conventional trailing backrest design, the backrest is adjusted separately so that the legroom and seat reference point remain unchanged. The cushion can be separately adjusted for angle and horizontal position.
The maximum backrest angle of the Executive seat (reclining seat) on the front passenger side is increased from 37 to 43.5 degrees, giving it the largest backrest inclination in the luxury segment. The reclining seat behind the front passenger seat features a calf support which is freely adjustable for length and angle. In combination with the heel rest on the folding chauffeur seat (see section "Front seats") and an additional comfort cushion, this allows a reclined position that sets new standards in the automobile sector with respect to sleeping and resting comfort.
The individual seat functions in the rear, and those of the chauffeur seat, are operated via the typical Mercedes control panels in the rear doors. The "resting position" key is pressed to bring the front passenger seat and rear seat into the reclining position.
The most upright backrest position of 19 degrees in the luxury and reclining seat variants allows relaxed working in the rear.
The "First-Class rear suite" (centre console in the rear) is a visual continuation of the front console on the transmission tunnel. It is equipped with innovative thermo-cupholders which use Peltier technology to cool or warm drinks over a longer period of time.
Like an aircraft seat, the centre console is available with two tables which can be easily folded in or out using one hand. Two articulated joints on the stem and underside of the table enable it to be adjusted to almost any position. The table supports and surface are of light alloy, combining great stability with a high quality look. The table surfaces have leather inserts to provide a comfortable writing surface.
The optional "Rear Seat Comfort package" also makes the innovative ENERGIZING massage function on the hot-stone principle available for the rear seats. The package also includes active multicontour seats in the rear (without dynamic control function).
Setting the standard for safety in the rear: new features in the S-Class
Mercedes-Benz has extended the safety system for rear seat passengers further with the seat belt buckle extender, the beltbag and the cushionbag. The first two of these developments are included in the "PRE-SAFE® rear package". With the seat belt buckle extender, an electric motor extends and retracts the belt buckle automatically. In this way, any belt slack in the area of the pelvis and thorax can be reduced so that passengers are secured more firmly in both the sideways and the lengthways direction. The seat belt buckle emerges from the upholstery when the rear doors are opened and is provided with an illuminated insertion slot. Making the belt-fastening procedure easier may lead to increased use of rear seat belts.
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The beltbag is an inflatable seat belt strap which can lower the risk of injury to rear passengers during a frontal impact by reducing the loads acting on the ribcage. Should the crash sensors detect a severe frontal impact, the airbag control unit will trigger deployment and inflation of the beltbag. A gas generator then inflates the multi-layered belt strap with Velcro seams to nearly three times its normal width. The resulting larger surface area is able to better distribute the force acting on the seat occupant, thereby reducing the risk of injury.
The reclining seat is equipped with a cushionbag as standard. This has enabled Mercedes-Benz to design a comfortable reclining seat which provides a higher level of accident safety than a seat with a trailing backrest.
The airbag is located under the seat cushion upholstery, but on top of the plastic seat shell, which is moved by the seat mechanisms. This means that the airbag is always in the same position on the seat shell, and therefore relative to the pelvis position of the occupant. In an accident, with the occupant in a reclined position on a flat seat cushion, there would otherwise be a danger of the pelvic area sliding beneath the seat belt (so-called submarining). This can be prevented by the cushionbag, as it raises the front section of the seat cushion upholstery. The airbag is only activated if the seat is in the reclined position during a crash. It is not activated in the upright position, as there is then no danger of submarining because of the seat cushion angle.
Climate control
A wealth of new features for a pleasant atmosphere
During the systematic further development of the entire climate control system, a particular focus was placed on the development goals of performance, air quality, precise regulation, noise level and efficiency.
As a new feature, the AIR-BALANCE package comprises perfume atomisation, ionisation and even more efficient filtration compared with the standard model. The THERMOTRONIC automatic climate control in the rear has two additional zones to improve thermal comfort. Electric heating of the armrests is a completely new feature.
The newly developed climate control unit of the THERMOTRONIC automatic climate control included as standard has a mass flow regulating concept, whose automatic operating principle meets individual comfort requirements for every occupant. New features include completely autonomous adjustment options for the driver and front passenger sides with respect to temperature level, air distribution and air volume, for the front footwell temperature with a warmer or cooler tendency and also for the individual automatic modes with their climatic settings of "FOCUS", "MEDIUM" and "DIFFUSE". The profiles, which differ in air volume and air distribution, can be conveniently set via the COMAND Online system.
The AIR-BALANCE package: perfuming, ionisation and improved filtration
As a world first, the new S-Class Saloon has an "active perfuming system" as part of the AIR-BALANCE package. 'Active' means that the perfuming system is switched on and off manually, with manual adjustment of the intensity. The perfuming system has various operating modes:
• On/Off
• Intensity control "low – medium – high"
• Perfume selection by exchanging the flask in the fragrance generator
A high-quality fragrance introduced into an already luxurious interior like a perfume enhances the sensual impression of the Mercedes-Benz interior by appealing to the sense of smell. In all advanced cultures, high-quality fragrances are part of the repertoire of sensual pleasure and individuality. Perfuming individualises the smell of the interior. The interior smell is not changed permanently, nor are the perfume molecules deposited on fabric surfaces or clothing. The fragrance is discreet and mild, and dissipates rapidly. Four interior fragrances (FREESIDE MOOD, NIGHTLIFE MOOD, DOWNTOWN MOOD, SPORTS MOOD) are available in attractive perfume flasks. The fragrances were developed in collaboration with the perfume specialist Marc vom Ende.
The perfuming system consists of two parts: a glass flask with an atomiser head and the fragrance generator in the glove compartment. The system uses the effect whereby there is a constant exchange of matter on the surface of a solution. In the process, molecules enter the gaseous phase (volatilisation) while other molecules are returned to the liquid. If a partial airflow is passed over the surface of the liquid, the air can be enriched with the molecules of the chosen fragrance. The perfumed air is then passed directly into the vehicle interior via a separate aperture. A bypass system allows the flow rate per unit of time to be variably adjusted. This active perfuming system is a further development of the fragrance ball familiar from the MAYBACH ZEPPELIN.
Air filtering: fresh air for a fresh interior
Another component of the AIR-BALANCE package is filtering of the outside air fed into the vehicle interior by the climate control system, and of the air recirculating in the interior in air recirculation mode. The filter system is now even more efficient, and is able to reduce the peak levels of certain gaseous emissions while lowering their concentration below the perception threshold.
The filter system consists of two combined fine dust/activated charcoal filters between the intake and air distribution system of the air conditioner.
Activated charcoal is used as the filter material for the interior by virtue of its good ability to absorb gaseous pollutants and odours. It is produced from coconut shells. The sophisticated pollen filter technology in the fine dust filter component is particularly useful for allergy sufferers. At Mercedes-Benz these filters are examined for effectiveness in both new and used condition, to ensure that their filtering efficiency is maintained at least until the next vehicle service.
Ionisation is another component of the AIR-BALANCE package, the air from the climate control unit being conducted into the interior via an ioniser. In a combined operating mode this eliminates certain viruses, bacteria and spores (cleaning effect). At the same time the air can be freshened by an increased concentration of negatively charged oxygen ions (relaxing effect).
Warmth Comfort package: heated armrests and seats
The new S-Class Saloon is available with the optional Warmth Comfort package for all engine variants. This includes
• heated front armrests (door and centre armrests)
• fast seat heating for the driver and front passenger
• heated steering wheel
• heated rear armrests (door and centre armrests)
• heated rear seats
The innovation in this package is the armrests, whose surfaces can be heated by heating elements on the same principle as seat heating. Originally conceived for the energy-efficient heating of electric cars, this panel heating in the S-Class makes for a particularly cosy environment. The armrest heating is switched on and off using the seat heating switch in the door panel, and can be deactivated via COMAND Online. The heating output of the seat heating system can reach up to 2000 watts per square metre, and can already be felt in the sensitive lumbar area after ten seconds.
Climate control: multiple adjustments, high efficiency
The new climate control system in the new S-Class combines energy efficiency with comfortable temperatures on every seat, and sets new standards in terms of the adaptability of automatic operation to the individual wishes of the occupants.
The new automatic climate control is operated via:
• the newly developed control panel below the centre vent
• the climate menu in COMAND Online
• the rear control panel in the rear centre console (if the optional rear climate control is specified).
To improve climatic comfort in the rear even further, a newly developed, waterflow controlled two-zone THERMOTRONIC rear automatic climate control system installed in the centre console is available as an optional extra. The air is taken into the interior of the centre console. The cooled air flows through a water-flow controlled heat exchanger, and is distributed to the separate left/right centre vents, the rear footwells and the vents in the B-pillars. Air distribution to both sides is automatically controlled by four step motors.
The basic functions of the air conditioning, i.e. automatic operation, temperature adjustment, air volume, residual mode, recirculation, defrost and heated rear window can be directly controlled by buttons in the front control panel. Further climate control functions such as auxiliary heater, perfuming, ionisation and footwell temperature can be accessed via the climate status display in the head unit, where basic functions such as air distribution and ventilation modes are also accessible.
The air volume and distribution control have been developed further and improved in comparison to the climate control system in the preceding series.
This means:
• Automatic modes "MEDIUM" (comparable to the same mode in the previous model), "DIFFUSE" (for the lowest possible airflow, and not aimed directly at the occupants; most of the air flows into the interior from the defrosting and footwell vents) and "FOCUS" (a higher volume of air mainly from the ventilation vents)
• Separately adjustable fans for the driver and front passenger
• Front footwell temperature can be individually and separately made warmer or cooler in five stages for the driver and front passenger.
The heat exchanger in the heating circuit has an output of 9.7 kW at an air volume of 8 kg/min. The refrigerant compressor is variably externally controlled, and incorporated into the belt drive system via a magnetic coupling.
A large number of sensors are used to regulate the automatic climate control, e.g. venting and evaporation sensors, potentiometers in the vent selector wheels, multifunction sensor with moisture measuring cell and a ventilated interior sensor for the interior temperature in the area of the overhead control panel. Solar radiation is registered with the help of two separate solar sensors on the left/right of the interior, a sensor in the cockpit and a sensor on the parcel shelf.
GPS navigation data are used to determine the direction of the sun and the altitude above sea level (elevation). In case GPS navigation data are not available, a fallback calculation of the sun's direction is made on the basis of the vehicleencoded country of delivery, the time of day and the date. The air conditioning control system is therefore able to react to the increase in heat caused by direct sunlight even if the solar sensors register no change in the interior, for example if they are fully or partly obscured by the A/B/C-pillars or by the roof.
Energy-efficient climate control: economical heating and cooling
Various measures have been incorporated to make the climate control system as energy-efficient as possible:
• Energy-efficient control with variable evaporation temperature and misting sensor system
• PWM (pulse width modulated) blower control unit
• Internal heat exchanger with efficient cooling circuit
• Externally controlled refrigerant compressor with magnetic coupling and internal oil separator
• Electronically controlled refrigerant compressor which can be operated within the most efficient range, whatever the engine speed
• Green-tinted thermal insulation glass all-round as standard
• Optional extra: thermally and noise-insulated, infrared-reflecting laminated safety glass all-round
• Optional extra: efficient surface heating as part of the Warmth Comfort package
• Thermal insulation of the interior in combination with NVH-measures.
The reclining seat is equipped with a cushionbag as standard. This has enabled Mercedes-Benz to design a comfortable reclining seat which provides a higher level of accident safety than a seat with a trailing backrest.
The airbag is located under the seat cushion upholstery, but on top of the plastic seat shell, which is moved by the seat mechanisms. This means that the airbag is always in the same position on the seat shell, and therefore relative to the pelvis position of the occupant. In an accident, with the occupant in a reclined position on a flat seat cushion, there would otherwise be a danger of the pelvic area sliding beneath the seat belt (so-called submarining). This can be prevented by the cushionbag, as it raises the front section of the seat cushion upholstery. The airbag is only activated if the seat is in the reclined position during a crash. It is not activated in the upright position, as there is then no danger of submarining because of the seat cushion angle.
Climate control
A wealth of new features for a pleasant atmosphere
During the systematic further development of the entire climate control system, a particular focus was placed on the development goals of performance, air quality, precise regulation, noise level and efficiency.
As a new feature, the AIR-BALANCE package comprises perfume atomisation, ionisation and even more efficient filtration compared with the standard model. The THERMOTRONIC automatic climate control in the rear has two additional zones to improve thermal comfort. Electric heating of the armrests is a completely new feature.
The newly developed climate control unit of the THERMOTRONIC automatic climate control included as standard has a mass flow regulating concept, whose automatic operating principle meets individual comfort requirements for every occupant. New features include completely autonomous adjustment options for the driver and front passenger sides with respect to temperature level, air distribution and air volume, for the front footwell temperature with a warmer or cooler tendency and also for the individual automatic modes with their climatic settings of "FOCUS", "MEDIUM" and "DIFFUSE". The profiles, which differ in air volume and air distribution, can be conveniently set via the COMAND Online system.
The AIR-BALANCE package: perfuming, ionisation and improved filtration
As a world first, the new S-Class Saloon has an "active perfuming system" as part of the AIR-BALANCE package. 'Active' means that the perfuming system is switched on and off manually, with manual adjustment of the intensity. The perfuming system has various operating modes:
• On/Off
• Intensity control "low – medium – high"
• Perfume selection by exchanging the flask in the fragrance generator
A high-quality fragrance introduced into an already luxurious interior like a perfume enhances the sensual impression of the Mercedes-Benz interior by appealing to the sense of smell. In all advanced cultures, high-quality fragrances are part of the repertoire of sensual pleasure and individuality. Perfuming individualises the smell of the interior. The interior smell is not changed permanently, nor are the perfume molecules deposited on fabric surfaces or clothing. The fragrance is discreet and mild, and dissipates rapidly. Four interior fragrances (FREESIDE MOOD, NIGHTLIFE MOOD, DOWNTOWN MOOD, SPORTS MOOD) are available in attractive perfume flasks. The fragrances were developed in collaboration with the perfume specialist Marc vom Ende.
The perfuming system consists of two parts: a glass flask with an atomiser head and the fragrance generator in the glove compartment. The system uses the effect whereby there is a constant exchange of matter on the surface of a solution. In the process, molecules enter the gaseous phase (volatilisation) while other molecules are returned to the liquid. If a partial airflow is passed over the surface of the liquid, the air can be enriched with the molecules of the chosen fragrance. The perfumed air is then passed directly into the vehicle interior via a separate aperture. A bypass system allows the flow rate per unit of time to be variably adjusted. This active perfuming system is a further development of the fragrance ball familiar from the MAYBACH ZEPPELIN.
Air filtering: fresh air for a fresh interior
Another component of the AIR-BALANCE package is filtering of the outside air fed into the vehicle interior by the climate control system, and of the air recirculating in the interior in air recirculation mode. The filter system is now even more efficient, and is able to reduce the peak levels of certain gaseous emissions while lowering their concentration below the perception threshold.
The filter system consists of two combined fine dust/activated charcoal filters between the intake and air distribution system of the air conditioner.
Activated charcoal is used as the filter material for the interior by virtue of its good ability to absorb gaseous pollutants and odours. It is produced from coconut shells. The sophisticated pollen filter technology in the fine dust filter component is particularly useful for allergy sufferers. At Mercedes-Benz these filters are examined for effectiveness in both new and used condition, to ensure that their filtering efficiency is maintained at least until the next vehicle service.
Ionisation is another component of the AIR-BALANCE package, the air from the climate control unit being conducted into the interior via an ioniser. In a combined operating mode this eliminates certain viruses, bacteria and spores (cleaning effect). At the same time the air can be freshened by an increased concentration of negatively charged oxygen ions (relaxing effect).
Warmth Comfort package: heated armrests and seats
The new S-Class Saloon is available with the optional Warmth Comfort package for all engine variants. This includes
• heated front armrests (door and centre armrests)
• fast seat heating for the driver and front passenger
• heated steering wheel
• heated rear armrests (door and centre armrests)
• heated rear seats
The innovation in this package is the armrests, whose surfaces can be heated by heating elements on the same principle as seat heating. Originally conceived for the energy-efficient heating of electric cars, this panel heating in the S-Class makes for a particularly cosy environment. The armrest heating is switched on and off using the seat heating switch in the door panel, and can be deactivated via COMAND Online. The heating output of the seat heating system can reach up to 2000 watts per square metre, and can already be felt in the sensitive lumbar area after ten seconds.
Climate control: multiple adjustments, high efficiency
The new climate control system in the new S-Class combines energy efficiency with comfortable temperatures on every seat, and sets new standards in terms of the adaptability of automatic operation to the individual wishes of the occupants.
The new automatic climate control is operated via:
• the newly developed control panel below the centre vent
• the climate menu in COMAND Online
• the rear control panel in the rear centre console (if the optional rear climate control is specified).
To improve climatic comfort in the rear even further, a newly developed, waterflow controlled two-zone THERMOTRONIC rear automatic climate control system installed in the centre console is available as an optional extra. The air is taken into the interior of the centre console. The cooled air flows through a water-flow controlled heat exchanger, and is distributed to the separate left/right centre vents, the rear footwells and the vents in the B-pillars. Air distribution to both sides is automatically controlled by four step motors.
The basic functions of the air conditioning, i.e. automatic operation, temperature adjustment, air volume, residual mode, recirculation, defrost and heated rear window can be directly controlled by buttons in the front control panel. Further climate control functions such as auxiliary heater, perfuming, ionisation and footwell temperature can be accessed via the climate status display in the head unit, where basic functions such as air distribution and ventilation modes are also accessible.
The air volume and distribution control have been developed further and improved in comparison to the climate control system in the preceding series.
This means:
• Automatic modes "MEDIUM" (comparable to the same mode in the previous model), "DIFFUSE" (for the lowest possible airflow, and not aimed directly at the occupants; most of the air flows into the interior from the defrosting and footwell vents) and "FOCUS" (a higher volume of air mainly from the ventilation vents)
• Separately adjustable fans for the driver and front passenger
• Front footwell temperature can be individually and separately made warmer or cooler in five stages for the driver and front passenger.
The heat exchanger in the heating circuit has an output of 9.7 kW at an air volume of 8 kg/min. The refrigerant compressor is variably externally controlled, and incorporated into the belt drive system via a magnetic coupling.
A large number of sensors are used to regulate the automatic climate control, e.g. venting and evaporation sensors, potentiometers in the vent selector wheels, multifunction sensor with moisture measuring cell and a ventilated interior sensor for the interior temperature in the area of the overhead control panel. Solar radiation is registered with the help of two separate solar sensors on the left/right of the interior, a sensor in the cockpit and a sensor on the parcel shelf.
GPS navigation data are used to determine the direction of the sun and the altitude above sea level (elevation). In case GPS navigation data are not available, a fallback calculation of the sun's direction is made on the basis of the vehicleencoded country of delivery, the time of day and the date. The air conditioning control system is therefore able to react to the increase in heat caused by direct sunlight even if the solar sensors register no change in the interior, for example if they are fully or partly obscured by the A/B/C-pillars or by the roof.
Energy-efficient climate control: economical heating and cooling
Various measures have been incorporated to make the climate control system as energy-efficient as possible:
• Energy-efficient control with variable evaporation temperature and misting sensor system
• PWM (pulse width modulated) blower control unit
• Internal heat exchanger with efficient cooling circuit
• Externally controlled refrigerant compressor with magnetic coupling and internal oil separator
• Electronically controlled refrigerant compressor which can be operated within the most efficient range, whatever the engine speed
• Green-tinted thermal insulation glass all-round as standard
• Optional extra: thermally and noise-insulated, infrared-reflecting laminated safety glass all-round
• Optional extra: efficient surface heating as part of the Warmth Comfort package
• Thermal insulation of the interior in combination with NVH-measures.
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As an optional extra, an auxiliary heater with radio remote control is available as part of the climate control system. In this way the interior of the parked vehicle can be heated or ventilated with fresh air, with activation as follows:
• Control panel in the vehicle
• Preset function using COMAND ONLINE and the central control panel. The activation time is calculated automatically as a function of the vehicle's external and internal temperature
• Radio remote control with acknowledgement of successful transmission, also display of the remaining heating or ventilating time.
The driving assistance systems
Helpers in the background
Avoid accidents and mitigate their consequences - this is the integrated approach adopted by Mercedes-Benz Accident Research under the heading "Real Life Safety". Mercedes-Benz is systematically pursuing this strategy with numerous new assistance systems and greatly enhanced functions.
Comfort and safety are enhanced at the same time, and new possibilities are opened up for motorists and car developers. Mercedes-Benz calls this "Intelligent Drive". The new functions all rely on the same sensor system, comprising a new stereo camera together with multistage radar sensors.
The support functions range from relieving the burden on the driver and therefore increasing comfort, to issuing visual, acoustic and/or tactile warning signals, to boosting the driver's reactions. Some systems are even able to take corrective action in an emergency, such as autonomous applications of the brakes to prevent an accident or lessen its severity. Here is a summary of the new assistance systems and those with notably enhanced functionality:
• DISTRONIC PLUS with Steering Assist and Stop&Go Pilot takes the burden off the driver when it comes to lane guidance and is also able to follow vehicles in traffic jams automatically.
• For the first time, thanks to the stereo camera the Brake Assist system BAS PLUS with Cross-Traffic Assist is able to detect crossing traffic and pedestrians too, and to boost the braking power applied by the driver accordingly.
• If the lane markings are broken lines, Active Lane Keeping Assist can detect when the adjacent lane is occupied, especially by oncoming traffic, and reduce the risk of the vehicle leaving its lane unintentionally by applying the brakes on one side.
• Adaptive Highbeam Assist Plus allows the high-beam headlamps to be kept on permanently without dazzling traffic by masking out other vehicles in the beams' cone of light.
• Night View Assist Plus was further developed and supplemented by a thermal imaging camera. Night View Assist Plus can alert the driver to the potential danger posed by pedestrians or animals in unlit areas in front of the vehicle by automatically switching from the speedometer to a crystal-sharp night view image and highlighting the sources of danger. A spotlight function is furthermore able to flash any pedestrians detected ahead.
• ATTENTION ASSIST can warn of inattentiveness and drowsiness in an extended speed range and notify the driver of their current state of fatigue and the driving time since the last break, offers an adjustable sensitivity setting and, if a warning is emitted, indicates nearby service areas in the COMAND navigation system.
Sensors: intelligent networking of eyes and earsMercedes-Benz is making a major leap forward with the introduction of the Stereo Multi-Purpose Camera (SMPC), or stereo camera for short. Just like the Multi-Purpose Camera (MPC) fitted previously, it is positioned behind the windscreen in the vicinity of the rear-view mirror. It has an aperture angle of 45° and is capable of detecting the position and movement of objects, especially vehicles and pedestrians, in three dimensions in each case. The "6D-Vision" technology nominated last year for the German Research Prize is used for this purpose for the first time. The camera's two "eyes" provide it with a three-dimensional view of the area up to around 50 metres in front of the vehicle, and it is able to monitor the overall situation ahead for a range of up to 500 metres. In this way, the new camera is able to provide data for processing by various systems.
Intelligent algorithms evaluate this information in order to detect and carry out spatial classification of vehicles that are driving ahead, oncoming or crossing, as well as pedestrians and a variety of traffic signs and road markings within a large field of vision.
Whereas the stereo camera's lenses act as the car's eyes, the radar sensors are its ears, so to speak, and provide additional data about the distance from objects.
The system of radar sensors comprises two short-range radar sensors in the front bumper and in the side of the rear bumper with a range of 30 m and a beam angle of 80°, which are complemented by a long-range radar (200 m, 18°) including medium-range detection (60 m, 60°). In addition, the multi-mode radar (80 m, 16° and 30 m, 80°) fitted at the front of the standard vehicle with COLLISION PREVENTION ASSIST is installed in the middle of the rear bumper.
The data from the camera and radars is amalgamated in a control unit in order to provide the system-specific data for the various functions.
Comfort-enhancing assistance with lateral lane guidance: DISTRONIC PLUS with Steering Assist and Stop&Go Pilot
The DISTRONIC PLUS adaptive cruise control is a driver aid designed to keep the vehicle at the desired distance from another vehicle in front that is travelling slower than the selected cruising speed. This basic radar-based function has now been enhanced by the addition of a Steering Assist with Stop&Go Pilot, which helps drivers to stay centred in their lane by generating the appropriate steering torque when travelling on a straight road and even in gentle bends.
The stereo camera recognises lane markings as well as vehicles driving ahead together with their spatial positioning, and relays this information to the electric steering assistance system. When driving at slow speeds, e.g. in congested traffic, the Stop&Go Pilot can use the vehicle ahead as a means of orientation, enabling partially autonomous tailback tracking up to a speed of 30 km/h, even when there are no clear lane markings visible. The system amalgamates the data recorded by the stereo camera and the radar sensors, calculates required responses and, based on demand, controls the engine output, transmission and brake for the cruise control as well as the electric steering for the lateral control.
As a result, the system is able to further boost driving comfort and substantially ease the driver's workload in many traffic situations.
DISTRONIC PLUS with Steering Assist can be activated as before with a selector lever on the steering wheel in a speed range from 0-200 km/h, now also with the vehicle standing still and no vehicle moving ahead of it. Any speed between 30 km/h and 200 km/h can be selected as the desired cruising speed. The driver starts off in this case by pulling the DISTRONIC PLUS lever or tapping the accelerator.
A green steering wheel symbol appears in the instrument cluster to indicate when the Stop&Go Pilot is operating while DISTRONIC PLUS is activated.
Meanwhile, linear controlling actions (cruise control function) continue to be visualised in the speed display by means of circular segments and the speedometer needle.
The system's design is so refined that the sensors can detect whether the driver's hands are actually on the steering wheel. If the system recognises that the driver has taken their hands off the steering wheel while the car is moving, depending on the situation, the detected surroundings and the speed, a visual warning is issued in the instrument cluster first; then a warning signal sounds and the Steering Assist is deactivated. This is additionally indicated by changing the steering wheel symbol from green to white. The linear control action remains unaffected by this and continues to be available. That means the system has an intelligent hands-off detection feature that brings the driver's hands back to the wheel when necessary. The use of DISTRONIC PLUS requires no change in driver behaviour – those who previously drove hands-free in a tailback can continue to do so (much more safely). Thus, Mercedes-Benz offers relaxed driving mainly over long distances and on motorways, especially during otherwise tiring and annoying (slow) tailback tracking.
The performance capabilities of the basic DISTRONIC PLUS function have been increased once again. Now, the system is able to brake at a rate of up to 5 m/s² without any intervention from the driver. If the "S" drive mode button is pressed, the rate of acceleration increases, too. Vehicle acceleration is also far more dynamic if the driver signals a wish to overtake by switching on the indicators, assuming the adjacent lane is clear.
By combining the radar and camera data, DISTRONIC PLUS is now also able to detect both vehicles cutting in and vehicles ahead, and vehicles ahead of them, in one's own lane and in adjacent lanes, and take any necessary action promptly.
This can prevent, for example, illegal overtaking on the inside lane on motorways and similar multi-lane highways by adapting the speed to that of vehicles in the outside lanes (at speeds above 85 km/h), especially when a tailback begins to dissolve and in streams of traffic. At lower speeds, permissible overtaking on the inside lane with a maximum speed differential of 20 km/h is
possible.
It goes without saying that the driver always can override DISTRONIC PLUS with Steering Assist. For instance if they signal with their indicators that they wish to change lanes, the lateral assistance remains passive as long as it takes to change lanes.
Braking assistance for cross traffic too: BAS PLUS with Cross-Traffic Assist
City centre junctions are a major accident blackspot. The collisions here can mostly be put down to driver distraction or misjudgement. Whereas humans often react too slowly, assistance systems are immune to that brief moment of shock.
Apart from material damage, accidents at junctions often result in serious personal injuries, too. The new Brake Assist BAS PLUS from Mercedes-Benz is therefore capable of more than just helping the driver to avoid collisions with vehicles ahead or lessen their consequences in a purely linear direction: the new Cross-Traffic Assist function can also come to the driver's aid in critical situations with cross traffic at junctions.
If this anticipatory system detects a hazardous situation of this type, it prompts the driver to start emergency braking by activating visual and acoustic warnings.
If the driver presses the brake pedal too tentatively, BAS PLUS will step in by automatically boosting brake pressure for effective emergency braking, even applying the brakes at full power if necessary. Applying just the right amount of braking power for the situation at hand maximises the available braking distance for traffic behind.
The Cross-Traffic Assist function is operative at speeds up to approx. 72 km/h, while BAS PLUS is able to aid the driver in linear situations at any speed.
Brake Assist BAS PLUS with Cross-Traffic Assist is potentially able to either prevent or lessen the severity of around 27 percent of all accidents at road junctions resulting in injury. This equates to some 20,000 accidents a year in Germany alone (source: investigations carried out by the GIDAS – German In-Depth Accident Study – and Mercedes-Benz Accident Research).
Detects broken lines too: Active Lane Keeping Assist
The new improved version of Active Lane Keeping Assist is now also able to intervene should the driver inadvertently cross a broken line when the neighbouring lane is not clear, meaning that a lane change could result in the risk of a collision. The system can determine if this is the case using the information from the stereo camera and the radar system. The latter has been supplemented by a sensor at the rear, which works in unison with the other sensors in the front and rear bumpers.
Active Lane Keeping Assist is not only capable of recognising critical situations such as overtaking vehicles, vehicles to be overtaken and parallel traffic, it can also respond effectively to oncoming traffic. If the system detects the vehicle crossing the lane markings when the adjacent lane is not clear, not only does it cause the steering wheel to vibrate in pulses as a tactile warning for the driver, it guides the vehicle back into lane by applying a corrective braking force on one side via the ESP®, now also when the vehicles crosses broken lines. It thereby complements the Active Blind Spot Assist, and for the first time also enables the often fatal collisions with oncoming traffic to be avoided.
Active Lane Keeping Assist is active at speeds between 60 and 200 km/h.
If driver activity in the form of active steering, braking or acceleration is detected, for example, or when the indicators are switched on, both the warning and the corrective brake actuation are suppressed. Using the instrument cluster the system can be set for two levels – Standard or Adaptive.
• Control panel in the vehicle
• Preset function using COMAND ONLINE and the central control panel. The activation time is calculated automatically as a function of the vehicle's external and internal temperature
• Radio remote control with acknowledgement of successful transmission, also display of the remaining heating or ventilating time.
The driving assistance systems
Helpers in the background
Avoid accidents and mitigate their consequences - this is the integrated approach adopted by Mercedes-Benz Accident Research under the heading "Real Life Safety". Mercedes-Benz is systematically pursuing this strategy with numerous new assistance systems and greatly enhanced functions.
Comfort and safety are enhanced at the same time, and new possibilities are opened up for motorists and car developers. Mercedes-Benz calls this "Intelligent Drive". The new functions all rely on the same sensor system, comprising a new stereo camera together with multistage radar sensors.
The support functions range from relieving the burden on the driver and therefore increasing comfort, to issuing visual, acoustic and/or tactile warning signals, to boosting the driver's reactions. Some systems are even able to take corrective action in an emergency, such as autonomous applications of the brakes to prevent an accident or lessen its severity. Here is a summary of the new assistance systems and those with notably enhanced functionality:
• DISTRONIC PLUS with Steering Assist and Stop&Go Pilot takes the burden off the driver when it comes to lane guidance and is also able to follow vehicles in traffic jams automatically.
• For the first time, thanks to the stereo camera the Brake Assist system BAS PLUS with Cross-Traffic Assist is able to detect crossing traffic and pedestrians too, and to boost the braking power applied by the driver accordingly.
• If the lane markings are broken lines, Active Lane Keeping Assist can detect when the adjacent lane is occupied, especially by oncoming traffic, and reduce the risk of the vehicle leaving its lane unintentionally by applying the brakes on one side.
• Adaptive Highbeam Assist Plus allows the high-beam headlamps to be kept on permanently without dazzling traffic by masking out other vehicles in the beams' cone of light.
• Night View Assist Plus was further developed and supplemented by a thermal imaging camera. Night View Assist Plus can alert the driver to the potential danger posed by pedestrians or animals in unlit areas in front of the vehicle by automatically switching from the speedometer to a crystal-sharp night view image and highlighting the sources of danger. A spotlight function is furthermore able to flash any pedestrians detected ahead.
• ATTENTION ASSIST can warn of inattentiveness and drowsiness in an extended speed range and notify the driver of their current state of fatigue and the driving time since the last break, offers an adjustable sensitivity setting and, if a warning is emitted, indicates nearby service areas in the COMAND navigation system.
Sensors: intelligent networking of eyes and earsMercedes-Benz is making a major leap forward with the introduction of the Stereo Multi-Purpose Camera (SMPC), or stereo camera for short. Just like the Multi-Purpose Camera (MPC) fitted previously, it is positioned behind the windscreen in the vicinity of the rear-view mirror. It has an aperture angle of 45° and is capable of detecting the position and movement of objects, especially vehicles and pedestrians, in three dimensions in each case. The "6D-Vision" technology nominated last year for the German Research Prize is used for this purpose for the first time. The camera's two "eyes" provide it with a three-dimensional view of the area up to around 50 metres in front of the vehicle, and it is able to monitor the overall situation ahead for a range of up to 500 metres. In this way, the new camera is able to provide data for processing by various systems.
Intelligent algorithms evaluate this information in order to detect and carry out spatial classification of vehicles that are driving ahead, oncoming or crossing, as well as pedestrians and a variety of traffic signs and road markings within a large field of vision.
Whereas the stereo camera's lenses act as the car's eyes, the radar sensors are its ears, so to speak, and provide additional data about the distance from objects.
The system of radar sensors comprises two short-range radar sensors in the front bumper and in the side of the rear bumper with a range of 30 m and a beam angle of 80°, which are complemented by a long-range radar (200 m, 18°) including medium-range detection (60 m, 60°). In addition, the multi-mode radar (80 m, 16° and 30 m, 80°) fitted at the front of the standard vehicle with COLLISION PREVENTION ASSIST is installed in the middle of the rear bumper.
The data from the camera and radars is amalgamated in a control unit in order to provide the system-specific data for the various functions.
Comfort-enhancing assistance with lateral lane guidance: DISTRONIC PLUS with Steering Assist and Stop&Go Pilot
The DISTRONIC PLUS adaptive cruise control is a driver aid designed to keep the vehicle at the desired distance from another vehicle in front that is travelling slower than the selected cruising speed. This basic radar-based function has now been enhanced by the addition of a Steering Assist with Stop&Go Pilot, which helps drivers to stay centred in their lane by generating the appropriate steering torque when travelling on a straight road and even in gentle bends.
The stereo camera recognises lane markings as well as vehicles driving ahead together with their spatial positioning, and relays this information to the electric steering assistance system. When driving at slow speeds, e.g. in congested traffic, the Stop&Go Pilot can use the vehicle ahead as a means of orientation, enabling partially autonomous tailback tracking up to a speed of 30 km/h, even when there are no clear lane markings visible. The system amalgamates the data recorded by the stereo camera and the radar sensors, calculates required responses and, based on demand, controls the engine output, transmission and brake for the cruise control as well as the electric steering for the lateral control.
As a result, the system is able to further boost driving comfort and substantially ease the driver's workload in many traffic situations.
DISTRONIC PLUS with Steering Assist can be activated as before with a selector lever on the steering wheel in a speed range from 0-200 km/h, now also with the vehicle standing still and no vehicle moving ahead of it. Any speed between 30 km/h and 200 km/h can be selected as the desired cruising speed. The driver starts off in this case by pulling the DISTRONIC PLUS lever or tapping the accelerator.
A green steering wheel symbol appears in the instrument cluster to indicate when the Stop&Go Pilot is operating while DISTRONIC PLUS is activated.
Meanwhile, linear controlling actions (cruise control function) continue to be visualised in the speed display by means of circular segments and the speedometer needle.
The system's design is so refined that the sensors can detect whether the driver's hands are actually on the steering wheel. If the system recognises that the driver has taken their hands off the steering wheel while the car is moving, depending on the situation, the detected surroundings and the speed, a visual warning is issued in the instrument cluster first; then a warning signal sounds and the Steering Assist is deactivated. This is additionally indicated by changing the steering wheel symbol from green to white. The linear control action remains unaffected by this and continues to be available. That means the system has an intelligent hands-off detection feature that brings the driver's hands back to the wheel when necessary. The use of DISTRONIC PLUS requires no change in driver behaviour – those who previously drove hands-free in a tailback can continue to do so (much more safely). Thus, Mercedes-Benz offers relaxed driving mainly over long distances and on motorways, especially during otherwise tiring and annoying (slow) tailback tracking.
The performance capabilities of the basic DISTRONIC PLUS function have been increased once again. Now, the system is able to brake at a rate of up to 5 m/s² without any intervention from the driver. If the "S" drive mode button is pressed, the rate of acceleration increases, too. Vehicle acceleration is also far more dynamic if the driver signals a wish to overtake by switching on the indicators, assuming the adjacent lane is clear.
By combining the radar and camera data, DISTRONIC PLUS is now also able to detect both vehicles cutting in and vehicles ahead, and vehicles ahead of them, in one's own lane and in adjacent lanes, and take any necessary action promptly.
This can prevent, for example, illegal overtaking on the inside lane on motorways and similar multi-lane highways by adapting the speed to that of vehicles in the outside lanes (at speeds above 85 km/h), especially when a tailback begins to dissolve and in streams of traffic. At lower speeds, permissible overtaking on the inside lane with a maximum speed differential of 20 km/h is
possible.
It goes without saying that the driver always can override DISTRONIC PLUS with Steering Assist. For instance if they signal with their indicators that they wish to change lanes, the lateral assistance remains passive as long as it takes to change lanes.
Braking assistance for cross traffic too: BAS PLUS with Cross-Traffic Assist
City centre junctions are a major accident blackspot. The collisions here can mostly be put down to driver distraction or misjudgement. Whereas humans often react too slowly, assistance systems are immune to that brief moment of shock.
Apart from material damage, accidents at junctions often result in serious personal injuries, too. The new Brake Assist BAS PLUS from Mercedes-Benz is therefore capable of more than just helping the driver to avoid collisions with vehicles ahead or lessen their consequences in a purely linear direction: the new Cross-Traffic Assist function can also come to the driver's aid in critical situations with cross traffic at junctions.
If this anticipatory system detects a hazardous situation of this type, it prompts the driver to start emergency braking by activating visual and acoustic warnings.
If the driver presses the brake pedal too tentatively, BAS PLUS will step in by automatically boosting brake pressure for effective emergency braking, even applying the brakes at full power if necessary. Applying just the right amount of braking power for the situation at hand maximises the available braking distance for traffic behind.
The Cross-Traffic Assist function is operative at speeds up to approx. 72 km/h, while BAS PLUS is able to aid the driver in linear situations at any speed.
Brake Assist BAS PLUS with Cross-Traffic Assist is potentially able to either prevent or lessen the severity of around 27 percent of all accidents at road junctions resulting in injury. This equates to some 20,000 accidents a year in Germany alone (source: investigations carried out by the GIDAS – German In-Depth Accident Study – and Mercedes-Benz Accident Research).
Detects broken lines too: Active Lane Keeping Assist
The new improved version of Active Lane Keeping Assist is now also able to intervene should the driver inadvertently cross a broken line when the neighbouring lane is not clear, meaning that a lane change could result in the risk of a collision. The system can determine if this is the case using the information from the stereo camera and the radar system. The latter has been supplemented by a sensor at the rear, which works in unison with the other sensors in the front and rear bumpers.
Active Lane Keeping Assist is not only capable of recognising critical situations such as overtaking vehicles, vehicles to be overtaken and parallel traffic, it can also respond effectively to oncoming traffic. If the system detects the vehicle crossing the lane markings when the adjacent lane is not clear, not only does it cause the steering wheel to vibrate in pulses as a tactile warning for the driver, it guides the vehicle back into lane by applying a corrective braking force on one side via the ESP®, now also when the vehicles crosses broken lines. It thereby complements the Active Blind Spot Assist, and for the first time also enables the often fatal collisions with oncoming traffic to be avoided.
Active Lane Keeping Assist is active at speeds between 60 and 200 km/h.
If driver activity in the form of active steering, braking or acceleration is detected, for example, or when the indicators are switched on, both the warning and the corrective brake actuation are suppressed. Using the instrument cluster the system can be set for two levels – Standard or Adaptive.
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Now recognises no-overtaking zones and access restrictions, too: Traffic Sign Assist with wrong-way driver warning functionA new Traffic Sign Assist which builds on the capabilities of the previous Speed Limit Assist represents yet another contribution to accident prevention from Mercedes-Benz. The system is now also able to recognise no-overtaking zones and alert drivers to no-entry restrictions.
The camera on the inside of the windscreen continues to pick up speed limit signs, including those on overhead gantries and in roadworks, for example. The camera's data is cross-referenced against the information in the navigation system and can be displayed in both the instrument cluster and the map view. If the camera fails to spot any road signs showing a speed limit or a speed limit is lifted, the legal speed limits based on the navigation data are shown instead, such as a maximum speed of 100 km/h on country roads in Germany or 50 km/h in built-up areas. Supplemental signs are also recognised and displayed according to situation (e.g. "in the wet").
No-overtaking zones and the signs signalling their end are also registered and displayed, while in the case of signs imposing access restrictions, through the wrong-way driver warning function an acoustic warning is emitted together with a visual warning in the instrument cluster – making an effective contribution towards helping to prevent serious accidents caused by wrong-way drivers.
Visualising drowsiness: ATTENTION ASSIST
A quarter of all motorway accidents in Germany are put down to drowsiness, making it one of the most frequent causes of accidents, most of which are of a serious nature. In 2009, Mercedes-Benz presented ATTENTION ASSIST, which is able to detect telltale signs of inattentiveness and increasing drowsiness based on changes in steering behaviour and a host of other factors.
The system has been subject to ongoing development, and the latest version has the ability to detect drowsiness and inattentiveness across a far greater speed range from 60 - 200 km/h. Furthermore, the system's sensitivity can be adjusted, e.g. for drivers who already feel tired when they get behind the wheel.
A new menu in the instrument cluster display also makes the system more tangible and transparent for the driver by visualising the current ATTENTION ASSIST level and the driving time since the last break. What's more, it is also possible to see whether the system is active in the current driving situation. If the usual ATTENTION ASSIST warning recommending the driver to take a break is emitted, nearby service areas can be indicated in the navigation system.
The system can be deactivated by making the appropriate selection in the instrument cluster menu. However, it will always be automatically reactivated with the sensitivity setting last selected the next time the vehicle is started.
Automatic manoeuvring into and out of parallel and end-on parking spaces: Active Parking Assist with PARKTRONIC
Active Parking Assist with PARKTRONIC enables automated parking with active steering and brake control in both parallel and end-on spaces. It is an advanced version of the PARKTRONIC system with Parking Guidance offered previously.
What's more, the system is now also able to manoeuvre out of parallel parking spaces again all by itself with automatic steering and brake control, assuming the vehicle was parked there automatically previously.
When travelling at speeds below 30 km/h, ultrasonic sensors with an extended range in the bumpers' side sections survey the nearside of the road for suitable parallel and end-on parking spaces. The same procedure is carried out for the far side of the road if the driver indicates accordingly. A symbol in the instrument cluster shows that the system is in the process of measuring. If a suitable parking spot is identified, an arrow appears alongside the symbol indicating that the system is ready for automatic parking. All the driver now has to do to activate the system is engage reverse gear and confirm by pressing the OK button on the steering wheel.
Active Parking Assist with PARKTRONIC steers and brakes the vehicle automatically as well as indicating the required driver actions in the display each time, such as the gear to be selected. The driver moves the vehicle by lightly pressing the accelerator or releasing the brake.
Extended PRE-SAFE® protection
Prevention is better than cure
Ten years ago, Mercedes-Benz unveiled a groundbreaking safety concept in the form of the PRE-SAFE® anticipatory occupant protection system, which has been undergoing continuous refinement ever since. Now, the safety pioneer is increasing protection levels once again.
The new PRE-SAFE® functions can help to prevent collisions with pedestrians and vehicles in front in city traffic, defuse dangerous situations caused by traffic behind and enhance the protection offered by the seat belts.
• The PRE-SAFE® Brake now also can detect pedestrians and initiate
autonomous braking to avoid a collision at speeds up to 50 km/h.
• PRE-SAFE® PLUS can recognise an imminent rear-end collision and warn the following traffic by activating the rear hazard warning lights at a high frequency. If the danger of a collision persists, the system can also firmly apply the stationary vehicle's brakes and thus minimise the risk of whiplash injuries by reducing the forward jolt caused by the impact. This additionally can reduce the risk of secondary accidents. Immediately before impact, the PRE-SAFE® anticipatory occupant protection measures, especially the reversible belt tensioners, are deployed.
• With PRE-SAFE® Impulse, the driver and front passenger are pulled away from the direction of impact by their seat belts at an early phase of the crash before the resulting occupant deceleration sets in. This can substantially reduce the risk and severity of injuries in a frontal collision.
Including pedestrian detection and City Brake function: BAS PLUS with Cross-Traffic Assist and PRE-SAFE® Brake
Pedestrian detection has been added to the BAS PLUS with Cross-Traffic Assist and PRE-SAFE® Brake functions, while autonomous braking for vehicles in front has undergone a major enhancement too.
Thanks to the combination of stereo camera and radar sensors, it is now possible to detect pedestrians in front of the vehicle. Visual and acoustic warnings are triggered when a hazard is spotted. If the driver then reacts by braking, the braking power will be boosted by BAS PLUS with Cross-Traffic Assist as the situation requires, right up to a full brake application. Should the driver fail to react, the PRE-SAFE® Brake triggers autonomous vehicle braking. The PRE-SAFE® Brake with pedestrian detection is active up to approx. 72 km/h, and is able to prevent collisions with pedestrians autonomously up to an initial speed of 50 km/h.
Evaluations of GIDAS accident data by Mercedes-Benz indicate that this new technology could avoid six percent of pedestrian accidents and reduce the severity of a further 41 percent. The operating range of the autonomous braking function for stationary vehicles has been optimised so that rear-end collisions can likewise be avoided at speeds of up to 50 km/h.
BAS PLUS with Cross-Traffic Assist and the PRE-SAFE® Brake with pedestrian detection rely on the same sensors employed for the adaptive cruise control DISTRONIC PLUS with Steering Assist: the new stereo camera plus the multistage radar sensor system.
Safety measures in response to an imminent rear impact: PRE-SAFE® PLUS
PRE-SAFE® PLUS offers an extension of the familiar occupant protection measures in situations where traffic behind poses a danger. A radar sensor in the rear bumper monitors the traffic behind the vehicle. If the risk of an impact from the rear is detected, the rear hazard warning lights are activated with a high frequency (5 Hz) to alert the driver of the vehicle behind (not on vehicles with USA/Canada coding). If the vehicle is stationary and the driver wishes it to remain so (e.g. by applying the brakes, activating the HOLD function or engaging "P" using the selector lever), if the danger of a collision persists PRE-SAFE® PLUS comes to the driver's aid by increasing the brake pressure in order to keep the vehicle firmly braked. In addition, immediately before impact the PRE-SAFE® anticipatory occupant protection measures, especially the reversible belt tensioners, are deployed.
Keeping the vehicle firmly braked when another vehicle hits it from behind greatly reduces the strain placed on the occupants, such as the risk of whiplash injuries. At the same time, it serves to protect other road users too by restricting uncontrolled vehicle movements after the initial impact that could lead to secondary collisions, such as running into a vehicle in front or colliding with pedestrians or other road users at junctions.
Intelligent countermovement: PRE-SAFE® Impulse
Mercedes-Benz is extending the front seat belt's protective function with the introduction of PRE-SAFE® Impulse: at an early phase of the crash, before the resulting deceleration sets in, the front occupants are pulled away from the direction of impact and deeper into their seats by their seat belts. By the time the accident enters the phase when loads peak, the extra distance they are retracted by can be used while dissipating energy in a controlled fashion thanks to additional force limiting in the belt buckle. Pre-acceleration and force limitation allow the occupants to be temporarily isolated from the effects of the crash, significantly reducing the risk and severity of injuries in a frontal collision.
With PRE-SAFE® Impulse, the seat belt strap can be retracted by pyrotechnic means at all three belt anchorage points, both in the pelvis and chest area, and released again with controlled force at the buckle and in the shoulder area. The fundamental difference compared to conventional belt tensioners is that the force for retracting the belt strap is maintained more consistently for a much longer time. The deployment logic fires the seat belt system's belt tensioners progressively depending on the seriousness of the accident. In this way, the tensioning force can be adapted as required. The PRE-SAFE® Impulse system is integrated in the seat's structure and supplements the pyrotechnic reel tensioner with a pyrotechnic buckle and anchor fitting tensioner including central gas generator.
The camera on the inside of the windscreen continues to pick up speed limit signs, including those on overhead gantries and in roadworks, for example. The camera's data is cross-referenced against the information in the navigation system and can be displayed in both the instrument cluster and the map view. If the camera fails to spot any road signs showing a speed limit or a speed limit is lifted, the legal speed limits based on the navigation data are shown instead, such as a maximum speed of 100 km/h on country roads in Germany or 50 km/h in built-up areas. Supplemental signs are also recognised and displayed according to situation (e.g. "in the wet").
No-overtaking zones and the signs signalling their end are also registered and displayed, while in the case of signs imposing access restrictions, through the wrong-way driver warning function an acoustic warning is emitted together with a visual warning in the instrument cluster – making an effective contribution towards helping to prevent serious accidents caused by wrong-way drivers.
Visualising drowsiness: ATTENTION ASSIST
A quarter of all motorway accidents in Germany are put down to drowsiness, making it one of the most frequent causes of accidents, most of which are of a serious nature. In 2009, Mercedes-Benz presented ATTENTION ASSIST, which is able to detect telltale signs of inattentiveness and increasing drowsiness based on changes in steering behaviour and a host of other factors.
The system has been subject to ongoing development, and the latest version has the ability to detect drowsiness and inattentiveness across a far greater speed range from 60 - 200 km/h. Furthermore, the system's sensitivity can be adjusted, e.g. for drivers who already feel tired when they get behind the wheel.
A new menu in the instrument cluster display also makes the system more tangible and transparent for the driver by visualising the current ATTENTION ASSIST level and the driving time since the last break. What's more, it is also possible to see whether the system is active in the current driving situation. If the usual ATTENTION ASSIST warning recommending the driver to take a break is emitted, nearby service areas can be indicated in the navigation system.
The system can be deactivated by making the appropriate selection in the instrument cluster menu. However, it will always be automatically reactivated with the sensitivity setting last selected the next time the vehicle is started.
Automatic manoeuvring into and out of parallel and end-on parking spaces: Active Parking Assist with PARKTRONIC
Active Parking Assist with PARKTRONIC enables automated parking with active steering and brake control in both parallel and end-on spaces. It is an advanced version of the PARKTRONIC system with Parking Guidance offered previously.
What's more, the system is now also able to manoeuvre out of parallel parking spaces again all by itself with automatic steering and brake control, assuming the vehicle was parked there automatically previously.
When travelling at speeds below 30 km/h, ultrasonic sensors with an extended range in the bumpers' side sections survey the nearside of the road for suitable parallel and end-on parking spaces. The same procedure is carried out for the far side of the road if the driver indicates accordingly. A symbol in the instrument cluster shows that the system is in the process of measuring. If a suitable parking spot is identified, an arrow appears alongside the symbol indicating that the system is ready for automatic parking. All the driver now has to do to activate the system is engage reverse gear and confirm by pressing the OK button on the steering wheel.
Active Parking Assist with PARKTRONIC steers and brakes the vehicle automatically as well as indicating the required driver actions in the display each time, such as the gear to be selected. The driver moves the vehicle by lightly pressing the accelerator or releasing the brake.
Extended PRE-SAFE® protection
Prevention is better than cure
Ten years ago, Mercedes-Benz unveiled a groundbreaking safety concept in the form of the PRE-SAFE® anticipatory occupant protection system, which has been undergoing continuous refinement ever since. Now, the safety pioneer is increasing protection levels once again.
The new PRE-SAFE® functions can help to prevent collisions with pedestrians and vehicles in front in city traffic, defuse dangerous situations caused by traffic behind and enhance the protection offered by the seat belts.
• The PRE-SAFE® Brake now also can detect pedestrians and initiate
autonomous braking to avoid a collision at speeds up to 50 km/h.
• PRE-SAFE® PLUS can recognise an imminent rear-end collision and warn the following traffic by activating the rear hazard warning lights at a high frequency. If the danger of a collision persists, the system can also firmly apply the stationary vehicle's brakes and thus minimise the risk of whiplash injuries by reducing the forward jolt caused by the impact. This additionally can reduce the risk of secondary accidents. Immediately before impact, the PRE-SAFE® anticipatory occupant protection measures, especially the reversible belt tensioners, are deployed.
• With PRE-SAFE® Impulse, the driver and front passenger are pulled away from the direction of impact by their seat belts at an early phase of the crash before the resulting occupant deceleration sets in. This can substantially reduce the risk and severity of injuries in a frontal collision.
Including pedestrian detection and City Brake function: BAS PLUS with Cross-Traffic Assist and PRE-SAFE® Brake
Pedestrian detection has been added to the BAS PLUS with Cross-Traffic Assist and PRE-SAFE® Brake functions, while autonomous braking for vehicles in front has undergone a major enhancement too.
Thanks to the combination of stereo camera and radar sensors, it is now possible to detect pedestrians in front of the vehicle. Visual and acoustic warnings are triggered when a hazard is spotted. If the driver then reacts by braking, the braking power will be boosted by BAS PLUS with Cross-Traffic Assist as the situation requires, right up to a full brake application. Should the driver fail to react, the PRE-SAFE® Brake triggers autonomous vehicle braking. The PRE-SAFE® Brake with pedestrian detection is active up to approx. 72 km/h, and is able to prevent collisions with pedestrians autonomously up to an initial speed of 50 km/h.
Evaluations of GIDAS accident data by Mercedes-Benz indicate that this new technology could avoid six percent of pedestrian accidents and reduce the severity of a further 41 percent. The operating range of the autonomous braking function for stationary vehicles has been optimised so that rear-end collisions can likewise be avoided at speeds of up to 50 km/h.
BAS PLUS with Cross-Traffic Assist and the PRE-SAFE® Brake with pedestrian detection rely on the same sensors employed for the adaptive cruise control DISTRONIC PLUS with Steering Assist: the new stereo camera plus the multistage radar sensor system.
Safety measures in response to an imminent rear impact: PRE-SAFE® PLUS
PRE-SAFE® PLUS offers an extension of the familiar occupant protection measures in situations where traffic behind poses a danger. A radar sensor in the rear bumper monitors the traffic behind the vehicle. If the risk of an impact from the rear is detected, the rear hazard warning lights are activated with a high frequency (5 Hz) to alert the driver of the vehicle behind (not on vehicles with USA/Canada coding). If the vehicle is stationary and the driver wishes it to remain so (e.g. by applying the brakes, activating the HOLD function or engaging "P" using the selector lever), if the danger of a collision persists PRE-SAFE® PLUS comes to the driver's aid by increasing the brake pressure in order to keep the vehicle firmly braked. In addition, immediately before impact the PRE-SAFE® anticipatory occupant protection measures, especially the reversible belt tensioners, are deployed.
Keeping the vehicle firmly braked when another vehicle hits it from behind greatly reduces the strain placed on the occupants, such as the risk of whiplash injuries. At the same time, it serves to protect other road users too by restricting uncontrolled vehicle movements after the initial impact that could lead to secondary collisions, such as running into a vehicle in front or colliding with pedestrians or other road users at junctions.
Intelligent countermovement: PRE-SAFE® Impulse
Mercedes-Benz is extending the front seat belt's protective function with the introduction of PRE-SAFE® Impulse: at an early phase of the crash, before the resulting deceleration sets in, the front occupants are pulled away from the direction of impact and deeper into their seats by their seat belts. By the time the accident enters the phase when loads peak, the extra distance they are retracted by can be used while dissipating energy in a controlled fashion thanks to additional force limiting in the belt buckle. Pre-acceleration and force limitation allow the occupants to be temporarily isolated from the effects of the crash, significantly reducing the risk and severity of injuries in a frontal collision.
With PRE-SAFE® Impulse, the seat belt strap can be retracted by pyrotechnic means at all three belt anchorage points, both in the pelvis and chest area, and released again with controlled force at the buckle and in the shoulder area. The fundamental difference compared to conventional belt tensioners is that the force for retracting the belt strap is maintained more consistently for a much longer time. The deployment logic fires the seat belt system's belt tensioners progressively depending on the seriousness of the accident. In this way, the tensioning force can be adapted as required. The PRE-SAFE® Impulse system is integrated in the seat's structure and supplements the pyrotechnic reel tensioner with a pyrotechnic buckle and anchor fitting tensioner including central gas generator.
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Extended protection in the rear
Top safety level in the rearMercedes-Benz is further reinforcing the safety system for passengers in the rear with the seat belt buckle extender, the beltbag and the cushionbag. In contrast to many other manufacturers, the seat belts in the rear already include belt tensioners and belt force limiters today.
Both systems were furthermore developed with a particular view toward new markets in Asia. There, the occupancy rate in the rear is as much as 30 percent, making it much higher than in Europe.
Reducing the belt slack: the seat belt buckle extender
With the seat belt buckle extender, an electric motor extends and retracts the belt buckle automatically. In this way, buckling up can be made more convenient, and any belt slack in the area of the pelvis and thorax can be reduced even when belting up so that passengers are secured more firmly in both the sideways and the lengthways direction. The seat belt buckle extender fits in with Mercedes-Benz's integral safety concept. In keeping with an all-embracing approach to safety, this concept covers all phases of automotive safety: from safety while driving through safety in hazardous situations and protection in the event of an accident to minimisation of the consequences of accidents.
The innovation is classic Mercedes-Benz, improving safety and comfort in one.
This is because fastening seat belts in the rear is also made much simpler: the seat belt buckle emerges from the upholstery when the rear doors are opened and is provided with an illuminated insertion slot. Simplifying use of the seat belt in this manner may increase the percentage of rear passengers who buckle up. It also makes it easier to assist children or people who require help in
fastening their seat belts.
The seat belt buckle extender is furthermore integrated in the PRE-SAFE® anticipatory safety system. This means that whenever PRE-SAFE® becomes active in critical driving situations or when the system detects the vehicle approaching other objects at a critical speed, reversible belt tensioning is also performed in the rear via the seat belt buckle extender function. The restraint system and the passengers are thus better prepared for a possible accident situation. In this way, the seat belt buckle extender complements the pyrotechnic belt tensioning which has featured as standard on all outer rear seats in Mercedes-Benz vehicles for many years now, and is triggered in the event of an impact exceeding a certain severity.
The seat belt buckle extender is a motorised belt buckle which can be extended upwards by up to 50 millimetres and retracted by up to 40 millimetres. The belt buckle is attached via a cable to a nut which runs on a spindle, translating the electric motor's rotary movement into a linear movement.
The following functions are carried out by means of this movement:
• Seat belt reminder/fastening aid: the seat belt buckle extender is provided with an illuminated insertion slot, attracting the occupants' attention to the buckle. Particularly in the dark, this makes it easier to find the belt buckle and connect it with the seat belt tongue. In addition, the belt buckle is extended by up to 50 millimetres when occupants enter the rear of the vehicle, to facilitate fastening of the seat belt. When extended, the belt buckle is more readily accessible and it is easier to insert the belt tongue. Both functions are activated when the doors are opened by passengers entering the rear of the vehicle.
• Minimised belt slack: after the belt tongue has been inserted, the belt buckle returns to its original position. This reduces any belt slack in the area of the pelvis and thorax, and ensures that the belt fits correctly in the pelvis area.
• PRE-SAFE® function for rear occupants: the seat belt buckle extender is fully integrated in the vehicle's PRE-SAFE® system. Whenever PRE-SAFE® becomes active in critical driving situations or when the system detects the vehicle approaching other objects at a critical speed, reversible belt tensioning is now also performed in the rear via the seat belt buckle extender function. The restraint system and the passengers are thus better prepared for a possible accident system. In contrast to its extended position to facilitate fastening of the seat belt, the belt buckle is retracted by approx. 40 millimetres instead. This reversible function tightens the belt on the occupant by up to 80 millimetres. In addition, the belt buckle branches off at a lower point at the occupant's hip. This reduces the risk of the pelvis submarining under the belt. Securing the occupants more effectively in this way can reduce the strain to which they are exposed in the event of an accident. The seat belt buckle extender complements the pyrotechnic belt tensioning which has featured as standard in Mercedes-Benz vehicles for many years now and is triggered in the event of an actual impact.
• POST-SAFE functionality: to facilitate the rescue of occupants and to assist rescue personnel or the occupants themselves in unbuckling the seat belts, the belt buckle is extended once again as soon as the doors are opened by rescue personnel or the occupants themselves after the system has detected a crash and the vehicle has come to a standstill, provided that the on-board electrical system is intact. The raised belt buckle position allows better access from inside the vehicle, while illumination of the buckle draws attention to the opening mechanism.
An airbag for seat belts: the beltbagThe beltbag is an inflatable seat-belt strap that reduces the load on the ribcage in a head-on collision and is thus able to reduce the risk of injury to passengers in the rear. Because dummy measurement technology is not capable of quantifying the benefits resulting from a wider belt strap, such as the lower force exerted on occupants in the rib area in particular, the safety experts at Mercedes have been working intensely with virtual human models too, as such computer-generated models make it possible to obtain detailed findings on the biomechanical strain during a collision.
Should the crash sensors detect a severe frontal impact, the airbag control unit will trigger deployment and inflation of the beltbag. A gas generator then inflates the multi-layered belt strap with Velcro seams to nearly three times its normal width. The resulting larger surface area is able to better distribute the force acting on the seat occupant, thereby reducing the risk of injury.
The beltbag is used in exactly the same way as a conventional seat belt. The belt strap's design is different from that of the standard belt though, and received top marks in practical trials for being extremely comfortable to wear and for its extra-soft belt strap edge.
An airbag for the seat: cushionbag
If the S-Class is equipped with the Executive seat (reclining seat), the seat includes the innovative cushionbag as standard. The airbag is located under the seat cushion upholstery, but on top of the plastic seat shell, which is moved by the seat mechanisms. This means that the airbag is always in the right position relative to the occupant.
In an accident, with the occupant in a reclined position on a flat seat cushion, without additional measurers there would be a danger of the pelvic area sliding beneath the seat belt (submarining). This can be prevented by the cushionbag, as it raises the front section of the seat cushion upholstery. The airbag is only activated if the seat is in the reclined position during a crash. It is not activated in the upright position, as there is then no danger of submarining.
Bodyshell and passive safety
Maximum stability and high-quality lightweight design
A high level of crash safety, lightweight design, outstanding rigidity for excellent handling with extremely low levels of noise and vibration. These were the aims when developing the bodyshell for the new S-Class. Application of the 3D Body Engineering approach has given it a thirdgeneration aluminium hybrid bodyshell. The lightweight index – the torsional stiffness in relation to weight and vehicle size – has been improved by 50 percent compared to the predecessor model.
The bodyshell is the vehicle's functional backbone. All statutory, rating-relevant and internal crash load requirements are met, and even future requirements are already taken into account. To further improve suspension comfort, the shear forces acting at the force application points in the bodyshell had to be increased.
These requirements were also met thanks to appropriate component design and special joining technology in the bodyshell. The lightweight index has been improved by 50 percent compared to the predecessor model. This index defines the torsional stiffness in relation to the vehicle's size (footprint) and weight. To this end, all the relevant node areas were optimised and systematically
reinforced with respect to the force distribution.
The aim of the NVH measures for the bodyshell was to better the already very good preceding model with respect to vibration and noise comfort, but without dispensing with intelligent lightweight construction methods. The bodyshell structure of the new S-Class reaches new heights in dynamic rigidity thanks to new structural concepts and specific NVH measures in the bodyshell.
These include:
• Integral NVH front section concept consisting of extruded aluminium side members, cast aluminium elements at the transition between the front section and passenger cell, also at the damper domes, and integral carrier as vibration-damping structural component
• Increased use of bracing struts for specific increases in rigidity
• Rear panel and cockpit cross-member of hybrid metal/plastic construction
• Use of foam sections in the A/B/C-pillars to increase bodyshell rigidity
No weight increase in 20 years – despite stricter requirements
Since the 220 model series was developed in the 1990s, with an optimally coordinated materials mix the hybrid lightweight construction has been further developed into an aluminium hybrid bodyshell. During this period the share of aluminium has increased to more than 50 percent. It has therefore been possible to maintain practically the same body weight for 20 years and even slightly reduce it, despite far more stringent comfort and safety requirements and additional functions. In addition to this, structural foams are used at specific points in node areas in the new model series. The entire outer skin of the S-Class, including the roof and the front section of the body, consists of aluminium. The high percentage of aluminium is possible thanks to the use of the complete range of semi-finished products (cast, extruded and sheet aluminium). The safety passenger cell makes intensive use of high-strength steels.
This lightweight design by material and geometrical optimisation coupled with highly complex joining technology allows the new S-Class to further raise the bar in the demanding luxury saloon segment – without adding weight. With a torsional stiffness of 40.5 kN/degree (predecessor: 27.5 kN/degree), the S-Class achieves a new record in its segment.
Focus on driving dynamics: lightweight-construction measures
The front section is one of the preferred lightweight-construction zones for achieving balanced weight distribution of the entire vehicle. The decision to use aluminium as a lightweight material in this area was therefore made at an early stage. As well as being lighter than its steel counterpart, the aluminium front section also greatly enhances crash and NVH performance. Cast aluminium and
extruded aluminium sections are used in addition to sheet aluminium. Die-cast aluminium was chosen for the shock absorber strut bracket because of its good integration properties. In this way it was possible to connect the front module without additional holders, for example. As well as reducing the number of components, die casting also enables the component to be designed to withstand specific loads and stresses. Morphological analyses were conducted to configure the wall thicknesses and geometry of the component so as to meet the strict functional requirements accurately.
Top safety level in the rearMercedes-Benz is further reinforcing the safety system for passengers in the rear with the seat belt buckle extender, the beltbag and the cushionbag. In contrast to many other manufacturers, the seat belts in the rear already include belt tensioners and belt force limiters today.
Both systems were furthermore developed with a particular view toward new markets in Asia. There, the occupancy rate in the rear is as much as 30 percent, making it much higher than in Europe.
Reducing the belt slack: the seat belt buckle extender
With the seat belt buckle extender, an electric motor extends and retracts the belt buckle automatically. In this way, buckling up can be made more convenient, and any belt slack in the area of the pelvis and thorax can be reduced even when belting up so that passengers are secured more firmly in both the sideways and the lengthways direction. The seat belt buckle extender fits in with Mercedes-Benz's integral safety concept. In keeping with an all-embracing approach to safety, this concept covers all phases of automotive safety: from safety while driving through safety in hazardous situations and protection in the event of an accident to minimisation of the consequences of accidents.
The innovation is classic Mercedes-Benz, improving safety and comfort in one.
This is because fastening seat belts in the rear is also made much simpler: the seat belt buckle emerges from the upholstery when the rear doors are opened and is provided with an illuminated insertion slot. Simplifying use of the seat belt in this manner may increase the percentage of rear passengers who buckle up. It also makes it easier to assist children or people who require help in
fastening their seat belts.
The seat belt buckle extender is furthermore integrated in the PRE-SAFE® anticipatory safety system. This means that whenever PRE-SAFE® becomes active in critical driving situations or when the system detects the vehicle approaching other objects at a critical speed, reversible belt tensioning is also performed in the rear via the seat belt buckle extender function. The restraint system and the passengers are thus better prepared for a possible accident situation. In this way, the seat belt buckle extender complements the pyrotechnic belt tensioning which has featured as standard on all outer rear seats in Mercedes-Benz vehicles for many years now, and is triggered in the event of an impact exceeding a certain severity.
The seat belt buckle extender is a motorised belt buckle which can be extended upwards by up to 50 millimetres and retracted by up to 40 millimetres. The belt buckle is attached via a cable to a nut which runs on a spindle, translating the electric motor's rotary movement into a linear movement.
The following functions are carried out by means of this movement:
• Seat belt reminder/fastening aid: the seat belt buckle extender is provided with an illuminated insertion slot, attracting the occupants' attention to the buckle. Particularly in the dark, this makes it easier to find the belt buckle and connect it with the seat belt tongue. In addition, the belt buckle is extended by up to 50 millimetres when occupants enter the rear of the vehicle, to facilitate fastening of the seat belt. When extended, the belt buckle is more readily accessible and it is easier to insert the belt tongue. Both functions are activated when the doors are opened by passengers entering the rear of the vehicle.
• Minimised belt slack: after the belt tongue has been inserted, the belt buckle returns to its original position. This reduces any belt slack in the area of the pelvis and thorax, and ensures that the belt fits correctly in the pelvis area.
• PRE-SAFE® function for rear occupants: the seat belt buckle extender is fully integrated in the vehicle's PRE-SAFE® system. Whenever PRE-SAFE® becomes active in critical driving situations or when the system detects the vehicle approaching other objects at a critical speed, reversible belt tensioning is now also performed in the rear via the seat belt buckle extender function. The restraint system and the passengers are thus better prepared for a possible accident system. In contrast to its extended position to facilitate fastening of the seat belt, the belt buckle is retracted by approx. 40 millimetres instead. This reversible function tightens the belt on the occupant by up to 80 millimetres. In addition, the belt buckle branches off at a lower point at the occupant's hip. This reduces the risk of the pelvis submarining under the belt. Securing the occupants more effectively in this way can reduce the strain to which they are exposed in the event of an accident. The seat belt buckle extender complements the pyrotechnic belt tensioning which has featured as standard in Mercedes-Benz vehicles for many years now and is triggered in the event of an actual impact.
• POST-SAFE functionality: to facilitate the rescue of occupants and to assist rescue personnel or the occupants themselves in unbuckling the seat belts, the belt buckle is extended once again as soon as the doors are opened by rescue personnel or the occupants themselves after the system has detected a crash and the vehicle has come to a standstill, provided that the on-board electrical system is intact. The raised belt buckle position allows better access from inside the vehicle, while illumination of the buckle draws attention to the opening mechanism.
An airbag for seat belts: the beltbagThe beltbag is an inflatable seat-belt strap that reduces the load on the ribcage in a head-on collision and is thus able to reduce the risk of injury to passengers in the rear. Because dummy measurement technology is not capable of quantifying the benefits resulting from a wider belt strap, such as the lower force exerted on occupants in the rib area in particular, the safety experts at Mercedes have been working intensely with virtual human models too, as such computer-generated models make it possible to obtain detailed findings on the biomechanical strain during a collision.
Should the crash sensors detect a severe frontal impact, the airbag control unit will trigger deployment and inflation of the beltbag. A gas generator then inflates the multi-layered belt strap with Velcro seams to nearly three times its normal width. The resulting larger surface area is able to better distribute the force acting on the seat occupant, thereby reducing the risk of injury.
The beltbag is used in exactly the same way as a conventional seat belt. The belt strap's design is different from that of the standard belt though, and received top marks in practical trials for being extremely comfortable to wear and for its extra-soft belt strap edge.
An airbag for the seat: cushionbag
If the S-Class is equipped with the Executive seat (reclining seat), the seat includes the innovative cushionbag as standard. The airbag is located under the seat cushion upholstery, but on top of the plastic seat shell, which is moved by the seat mechanisms. This means that the airbag is always in the right position relative to the occupant.
In an accident, with the occupant in a reclined position on a flat seat cushion, without additional measurers there would be a danger of the pelvic area sliding beneath the seat belt (submarining). This can be prevented by the cushionbag, as it raises the front section of the seat cushion upholstery. The airbag is only activated if the seat is in the reclined position during a crash. It is not activated in the upright position, as there is then no danger of submarining.
Bodyshell and passive safety
Maximum stability and high-quality lightweight design
A high level of crash safety, lightweight design, outstanding rigidity for excellent handling with extremely low levels of noise and vibration. These were the aims when developing the bodyshell for the new S-Class. Application of the 3D Body Engineering approach has given it a thirdgeneration aluminium hybrid bodyshell. The lightweight index – the torsional stiffness in relation to weight and vehicle size – has been improved by 50 percent compared to the predecessor model.
The bodyshell is the vehicle's functional backbone. All statutory, rating-relevant and internal crash load requirements are met, and even future requirements are already taken into account. To further improve suspension comfort, the shear forces acting at the force application points in the bodyshell had to be increased.
These requirements were also met thanks to appropriate component design and special joining technology in the bodyshell. The lightweight index has been improved by 50 percent compared to the predecessor model. This index defines the torsional stiffness in relation to the vehicle's size (footprint) and weight. To this end, all the relevant node areas were optimised and systematically
reinforced with respect to the force distribution.
The aim of the NVH measures for the bodyshell was to better the already very good preceding model with respect to vibration and noise comfort, but without dispensing with intelligent lightweight construction methods. The bodyshell structure of the new S-Class reaches new heights in dynamic rigidity thanks to new structural concepts and specific NVH measures in the bodyshell.
These include:
• Integral NVH front section concept consisting of extruded aluminium side members, cast aluminium elements at the transition between the front section and passenger cell, also at the damper domes, and integral carrier as vibration-damping structural component
• Increased use of bracing struts for specific increases in rigidity
• Rear panel and cockpit cross-member of hybrid metal/plastic construction
• Use of foam sections in the A/B/C-pillars to increase bodyshell rigidity
No weight increase in 20 years – despite stricter requirements
Since the 220 model series was developed in the 1990s, with an optimally coordinated materials mix the hybrid lightweight construction has been further developed into an aluminium hybrid bodyshell. During this period the share of aluminium has increased to more than 50 percent. It has therefore been possible to maintain practically the same body weight for 20 years and even slightly reduce it, despite far more stringent comfort and safety requirements and additional functions. In addition to this, structural foams are used at specific points in node areas in the new model series. The entire outer skin of the S-Class, including the roof and the front section of the body, consists of aluminium. The high percentage of aluminium is possible thanks to the use of the complete range of semi-finished products (cast, extruded and sheet aluminium). The safety passenger cell makes intensive use of high-strength steels.
This lightweight design by material and geometrical optimisation coupled with highly complex joining technology allows the new S-Class to further raise the bar in the demanding luxury saloon segment – without adding weight. With a torsional stiffness of 40.5 kN/degree (predecessor: 27.5 kN/degree), the S-Class achieves a new record in its segment.
Focus on driving dynamics: lightweight-construction measures
The front section is one of the preferred lightweight-construction zones for achieving balanced weight distribution of the entire vehicle. The decision to use aluminium as a lightweight material in this area was therefore made at an early stage. As well as being lighter than its steel counterpart, the aluminium front section also greatly enhances crash and NVH performance. Cast aluminium and
extruded aluminium sections are used in addition to sheet aluminium. Die-cast aluminium was chosen for the shock absorber strut bracket because of its good integration properties. In this way it was possible to connect the front module without additional holders, for example. As well as reducing the number of components, die casting also enables the component to be designed to withstand specific loads and stresses. Morphological analyses were conducted to configure the wall thicknesses and geometry of the component so as to meet the strict functional requirements accurately.
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Mercedes-Benz
Mercedes-Benz Group AG is headquartered in Stuttgart, Germany.
Established in 1926, Mercedes-Benz Group produces consumer luxury
vehicles and light commercial vehicles badged as Mercedes-Benz, Mercedes-AMG,
and Mercedes-Maybach.
Its origin lies in Daimler-Motoren-Gesellschaft's 1901 Mercedes
and Carl Benz's 1886 Benz Patent-Motorwagen, which is widely regarded
as the first internal combustion engine in a self-propelled automobile.
The slogan for the brand is "the best or nothing".
Official website: Mercedes-Benz (Global), Mercedes-Benz (USA)
Official website: Mercedes-Benz (Global), Mercedes-Benz (USA)
