S-Class (W222/C217/A217) [Official] Mercedes-Benz S-Class (W222 Facelift) 2017-2020

[Betty Swollocks]

By "series", I am guessing they mean sequential arrangement, which case it has 2 turbos, usually a small one and a large one. The small one is used at low engine speeds to provide quick response/low turbo lag, while the larger one kicks in at higher engine speeds to provide higher boost/more power. Few cars do this,

It could also mean staged turbocharging in which the compressed air from the first one goes to the input of the 2nd one to further compress the air. Highly unlikely, as I don't know any cars that use this arrangement.

And yes, the M4 uses 2 turbocharges in parallel (as most twin turbocharged cars do), 3 cylinders feed one turbo and the other 3 cylinders feed the other one. So they both operate parallelly at the same time.

Edit: Now that I typed all that up, here is a nice video that makes it all superfluous -

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Not sure where you got anything about electric turbos, didn't see any mention of it in the press release Wolfgang posted.

Thanks very much Sunny.

Basically, I have spreadsheets which I keep updated with the technical data of various cars. For a car like the BMW 540i, I regard that as a single turbo, as it's a twin-scroll single turbo. I just wanted to know what I put in my spreadsheet for this new OM 656 engine. Is it a traditional twin-turbo or is it a single twin-scroll turbo.

 

[Sovereign]

The "Chrome bracelet bumper" is what I don't like either. Especially in combination with all that black plastic mesh around it, which appears even to be made of non-gloss rubber. On a light coloured car that large black part draws much to many attention and seems to be incoherent.
The AMG line front bumper on the other hand, is too bulky imo. I like a S-klasse to be elegant and cool. This looks wannabe-sporty.

Agreed. But compared to the bracelet inspired bumper the AMG bumper is a better option IMO. The design of the bracelet inspired bumper gives a strange feeling of some one having bracelet on a toothless jaw. I guess its because the bumper has the dark (empty) and long horizontal opening behind the equally long bracelet.

 

[martinbo]

No electric turbocharger (actually an electrically driven supercharger) in the OM656.

 

[BMW3GT]

@Betty Swollocks: The OM656 uses a two-stage turbocharger delivered by BorgWarner called R2S.
The M256 uses a twin-scroll turbo with a 67mm compressor wheel, a 59mm turbine wheel and an electric wastegate valve. The electric supercharger is sourced by BorgWarner (it's the so called "LM25TF" E-Booster). Daimler is the first automaker to receive this electric supercharger from BorgWarner.
Here is a short video for better understanding:

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[martinbo]

^ That's such a cool vid. Love it. But just to be absolutely clear - it does not show the turbocharging arrangement for the OM656 which is what BMW3GT was specific to point out.

 

[BMW3GT]

Yup, you are right. I missed that

Here is the video:

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[martinbo]

Yup, you are right. I missed that

Erm - actually you didn't miss it. That's what I pointed out that you pointed out. That you were specific that the video was NOT for the OM256.

 

[Betty Swollocks]

@Betty Swollocks: The OM656 uses a two-stage turbocharger delivered by BorgWarner called R2S.
The M256 uses a twin-scroll turbo with a 67mm compressor wheel, a 59mm turbine wheel and an electric wastegate valve. The electric supercharger is sourced by BorgWarner (it's the so called "LM25TF" E-Booster). Daimler is the first automaker to receive this electric supercharger from BorgWarner.
Here is a short video for better understanding:

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^ That's such a cool vid. Love it. But just to be absolutely clear - it does not show the turbocharging arrangement for the OM656 which is what BMW3GT was specific to point out.

Sorry, I'm still confused!

So, in my spreadsheet I list the N55 and B58 (for example) petrol engines as a "turbo" as they have a single twin-scroll turbo. Correct?

I list the B57 engine in the 730d as a "Turbo", the 740d as a "twin-turbo", and the 750d as a "quad-turbo"?

In the pre-facelift S-Class, I list the OM642 as a "Turbo", correct?

In the facelift S-Class, I list the OM656 as a "twin-turbo". It has two conventional turbos, in sequence, so it's a "twin-turbo"? The OM256 has a small electric turbo and a bigger conventional turbo in sequence, so I would describe that as "e-turbo/turbo"?

 

[martinbo]

Sorry, I'm still confused!

Not for much longer.

So, in my spreadsheet I list the N55 and B58 (for example) petrol engines as a "turbo" as they have a single twin-scroll turbo. Correct?

Correct.

I list the B57 engine in the 730d as a "Turbo", the 740d as a "twin-turbo", and the 750d as a "quad-turbo"?

Correct.

In the pre-facelift S-Class, I list the OM642 as a "Turbo", correct?

Correct.

In the facelift S-Class, I list the OM656 as a "twin-turbo". It has two conventional turbos, in sequence, so it's a "twin-turbo"? The OM256 has a small electric turbo and a bigger conventional turbo in sequence, so I would describe that as "e-turbo/turbo"?

OM656 - Correct.
M256 [Petrol engine] Correct.

See... eezy peezy.

 

[Wolfgang]

Yes, and here's the recent eBooster press release.


BorgWarner’s eBooster® Electrically Driven Compressor Celebrates Premiere

• Nearly instant boost and torque for a fun-to-drive experience
  
  
• Enables small-engine fuel economy with big-engine boost
  
  
• Improves performance for combustion and hybrid vehicles

BorgWarner, a global leader in clean and efficient technology solutions for combustion, hybrid and electric vehicles, debuts its 48-volt eBooster® electrically driven compressor in Daimler’s latest 3.0-liter gasoline engine. The engine will feature the eBooster technology matched with a BorgWarner-supplied turbocharger to improve fuel efficiency, enhance low-end torque and deliver boost on demand without any perceptible turbo lag.

“Our market-leading eBooster technology enables 6-cylinder engines to deliver the same performance and even more fun-to-drive experience as a much larger conventional V8,” said Frédéric Lissalde, President and General Manager, BorgWarner Turbo Systems. “By enabling engine downsizing, eBooster technology improves fuel efficiency by 5 to 10 percent in combustion and hybrid vehicles.”

BorgWarner’s eBooster electrically driven compressor delivers boost on demand until the turbocharger takes over, improving boost at low engine speeds and nearly eliminating turbo lag. Featuring a brushless DC motor, durable samarium-cobalt magnets and highly efficient power electronics, the compact eBooster technology offers automakers flexible packaging options and can be adapted to a wide range of hybrid or combustion applications.

Mass production of BorgWarner’s eBooster solution is currently ramping up with the innovative system launching first with three global automakers, including Daimler.

 

[Dawid21]

Beautiful car!

Instagram: mercedes.baku_

 

[Rainer271]

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[Rolf]

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It would be nice if one of those could fall off the truck into my garage! Lol

 

[Grosser]

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@2:02 So that's a diesel long version but no 'd' designation?

 

[hannaz]

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Doesn't look not so protected enough for such an open transportation, especially considering the high quality painting & finish and the the risk of being sratched during open transportation?


Mean while some pics from instagram

 

[Mick Briesgau]

Got the invitation for the facelift preview

 

[nikola1984]

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[Wunderkind]

Got the invitation for the facelift preview

I have seen it already, it looks good. My sales rep told me the S560e build is scheduled to start in September/October and the price in Hong Kong is HKD$1,878,000.

 

[Rolf]

Have they released any specs yet for the new S500?

 

[HUTSUTAo]

I have seen it already, it looks good. My sales rep told me the S560e build is scheduled to start in September/October and the price in Hong Kong is HKD$1,878,000.

There's a preview of the S in HK?