
Thank you for the comments! I think that, like many of you said, it would be too much of a risk, I can't even drive it to see if the drivetrain, gearbox or steering are right...And surprises are alwyas for the worst in these case...
However... I saw a splendid W107 450 SLC for sale in Paris... 1974, certified 140.000kms, and in a very good conditions. Only minor rust, the car is driven regularly.
It's for sale for 7.400€. I have no idea if it's too much for an SLC, if it's really in a good condition?
It would be less risky to buy such a car, with nothing to fix at all, only rust to take care of. I know it won't be completely reliable, it's 35 years old, but it won't broke every two days will it?

Nope. I hate the W140, I love the W116 S-Class. The hottest S-Class ever!


Just curious, why do you hate the W140?
M
I did start the SEL, it sounded quite rough, uneven, very American-V8 in fact. Dirty and fabulously appealing noise. Even more than "usually" because of an exhaust leak around the front doors. However the motor dies after a few minutes, and the car couldn't move (brakes stuck).
As far as your 300SE is concerned, Christian...well, if I make a move and buy such an old Merc, I'll go for a V8! There's no replacement for displacement, you see... And didn't it experiece some motor problems?
). W126 experts claim the 300SE is the best of the bunch as it provides spirited performance with sensible fuel economy. The 260SE is slug and the 420SE (SEL) is fast but thirsty. Forget the 500 and 560 models. 
I'll go seeing the 450 SLC tomorrow, and see if it's in a good condition, drive it a bit, and report the result here with pics. Does the price (7.600€) seem okay if the car is as good as the seller says (very good, only minor rust)?



Just curious, why do you hate the W140?
M

Doesn't sound that bad actually. Perhaps a small engine tune-up will fix the roughness aspect. In fact the engine bay might need a few new things like a new air- and oilfilter and timing belt etc. New spark plugs and a professionally done engine calibration will work wonders too!
The motor seemed quite fine indeed. It ran with 2 years-old petrol (surely water condensated in the tank too) and with the old filters, so I think the main problem came from here.
You'd be surprised at how agile and quick the 300SE is. It is much lighter than a 6-cylinder W116 280S/280SE (SEL) and I've personally maxed it out at 225 km/h (instruction manual says top speed is 205 km/h). W126 experts claim the 300SE is the best of the bunch as it provides spirited performance with sensible fuel economy. The 260SE is slug and the 420SE (SEL) is fast but thirsty. Forget the 500 and 560 models.
As for the engine, it works fine. The only problem is a rocker on the third cylinder which is slightly deformed and causes a light clanking noise when the car is idling. When you drive, you don't hear it. A single rocker will cost € 76.00 to replace.![]()
I'm not at all interested in performance, I will never take it to the topspeed. I'd be interested even if it was quite slow...My concern is more the noise (V8...mmhhh), the character. I'm a cruiser! So when I heard the 450, wow.. Sounded almost like an old Mustang...
The price sounds about right. According to an article on the SLC in Mercedes Enthusiast the prices for these cars are very high (provided they are in good shape) because they're very rare these days. Basically good ones will fetch high prices. Poorly taken care off models will be cheaper but they will have rust problems, guaranteed.
Ultimately the condition will be deciding factor as well as the extras onboard and of course the mileage. Need to look for SLC articles in my Mercedes Enthusiast magazines.![]()
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The SLC has A/C, leather, sunroof and alloys, so it's quite well equipped. It seems to have certified 140.000kms.
The SEL had sunroof, 4 electric windows, but no leather, no alloys, no A/C. 180.000kms on the clock.
Are the SLC as sensitive to rust as the W116? I heard they were not as rusty generally, when good serviced and maintained, is that true?
Are there ways to preserve an old car from rust? I keep reading "Hohlraumkonservierung", what is it in English (and French), how is it done, and at what cost? Have you any info about that?
I always thought it looked so bloated and fat and extremely bland compared to its predecessors. But I guess I hate the C140 Coupes even more. Probably one of the ugliest and blandest MBs ever made.
Are the SLC as sensitive to rust as the W116? I heard they were not as rusty generally, when good serviced and maintained, is that true?

Are there ways to preserve an old car from rust? I keep reading "Hohlraumkonservierung", what is it in English (and French), how is it done, and at what cost? Have you any info about that?

I see. I wanted a W140 for years, but most seem to be in such bad shape now compared to other Benzes or similar years. The upkeep on them is as expensive as all getout and that might be the reason why a lot of W140 owner "let them go" downhill. I guess I'm the only one that really liked them, but ultimately they're just too big, too much car for me at this point.
M
Yeah they were very big and took a firm hand on the wheel to keep them on course. Kinda like a ship I guess...lol.
M


Yep that's it, Hohlraumversiegelung. I'll search a bit about that, could be a good idea if it's not too expensive!

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