Need your help!! New C300 4-matic: Wheels
I have an C350 - 4Matic and it has the AMG (stamped) rims on it.
When I looked that the MB dealership they had a set of snow tires available for my car and the parts manager made a big point of telling me that all four snow tires are of the same size, even though my car has different tires front and back.
All the tiny differences drive me crazy. Another big deal is the leather option, Artico Leather, than real leather, than only the seat surfaces, than the arm rest or no arm rests all sound very confusing to me.
Jorg
If you want to spend $3200 for the AMG from dealer, you might want to condsider some other nice wheels, with that price, you may even get the beautiful 19 inch set for your car.
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http://www4.mercedes-benz.com/e/cars...ng/flash8.html
definitely lists different size wheels front and back are used for 4-matic models. The pages are in the attached pdf, but it is easier to read on-line under the "in depth > technical data > tyres and wheels" section.
Mercedes Banz Canada website shows staggered standard tires on the C350 4-matic with front: 225/45 R 17 and rear: 245/40 R 17 ; but on the C300 4-matic they are 225/45 R 17 front and rear.
So it appears the 4-matic drive train can handle staggered tires, but whether a particular model's suspension is optimized for staggered tires is another question.
The Sport models for the C300 and the C350 4matic both come with P225 tyres in the front and P245 in the read. I know for a fact that is the case because I have the C350W4M. Obviously, the 4Matic is able to compensate/deal with the staggered tire set-up. There's no center differential lock on the system, which I suspect is the advantage here.
AGGRESSIVE -- I'm sorry to say that your dealer is hosing you on this one.
The Sport models for the C300 and the C350 4matic both come with P225 tyres in the front and P245 in the read. I know for a fact that is the case because I have the C350W4M. Obviously, the 4Matic is able to compensate/deal with the staggered tire set-up. There's no center differential lock on the system, which I suspect is the advantage here.
AGGRESSIVE -- I'm sorry to say that your dealer is hosing you on this one.
And since I have nothing better to do tonight...
Front tyre (reads 225/45R17):

Rear tyre (reads 245/40R17):
http://www.mercedes-benz.ca/index.cfm?id=6541
Thats the page I went by for the Canadian C300 Sport, guess it doesn't really say if its sport or lux on there so you may be right. It just made more sense because the U.S. specs state the same thing, I don't fully trust the brochures either. Sorry if I offended you with the comment on not checking the actual tire size.
Yet another one of those Canadian options we can't get in the states I guess.
Last edited by chilledbenz; Nov 19, 2007 at 11:46 PM.
No worries dude!It was a sticky point because I expected same size front and rear tyres on my C350... I was laminating the loss of my P235 width tyres on my TL. But when I was taking pictures of my car, I was like
those are wide rears! It never occurred to me that it was a possibility.Can anyone in the US verify that the lux gets P225 all-around, and P225 front/P245 rears in the sport?
The amazing part was that the dealership had a factory set of snow tires for my car and they were 225/45 front and rear. The parts manager made a special point of telling me that.
Jorg
It's cool, because as I stated, I did not expect staggered tyres. So I guess it's a bonus. 
Yeah, I'll pass on those ones.
Just got back from the dealership and I have to recant my thinking. The C300 Sport 4matic DOES have staggered width tires. Although the brochure says they are the same, its wrong. All Sports have staggered width wheels weither they are 4matic or standard rear wheel drive. Now why they won't offer the 18'' AMG wheels for the $1000 option is still a mystery.
Last edited by chilledbenz; Nov 21, 2007 at 03:54 PM.
Jorg
Same here with my 4Matic Sport. I was expecting same size wheels so that I could rotate tires. The literature states 7.5x17 front/rear with 4Matic but that's not the way they come. Another example of "German precision" - not.







