Tire type for 18" AMG rims on 2004 CLK 500 - Mercedes-Benz Forum

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post #1 of 5 (permalink) Old 09-28-2008, 07:06 PM Thread Starter
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Tire type for 18" AMG rims on 2004 CLK 500

I have a 2004 CLK 500 that has the stock 17" AMG wheels. Well I kinda hit the curb the other day and totally messed up the rear wheel and slashed oped both my tires on the passenger side. Had Michelin Pilot all around so it was pretty disheartening.

Anyways I found a great deal and got 4 18" AMG rims with tires for $700 local, miracle if you ask me. Well actually it wasn't because I stayed up until 3 in the morning putting them suckers on to find out that the tires lock the wheels up and the 18" wheels rub against the springs up front.

So I have been scouring through forums for 2 days now trying to find the the right tire that will fit the 18" AMG rim without engaging the ESP or whatever it is that is causing the wheels to lock up. I'm not sure if this is correct but it was stated in another thread here that there is a 3%? allowance in circumference size. Either way, I've used the tire tool and gathered up peoples comments from other boards on the which type is allowable, but which one is best?

I'm hovering between the 255/35 or 265/35. Will the latter work (265/35)? Don't want to end up paying for it and it not being compatible. Also can you go larger? Currently I want the set up to be the 18's in the back and 17's in the front. The front being what came stock the 225/45 17's.

Sorry for the insanely long post but this is bugging me like crazy! I just wanna race daddy!

P.S. Kiddin on the racing but should i stick with Michelin tires? and is it wise to buy them used at like 6 or 7/32 tread?

Thanks in advanced for your help and sorry for the essay and the 20 questions.

Switching from coffee to benadryl - lights out
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post #2 of 5 (permalink) Old 09-29-2008, 01:25 AM Thread Starter
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post #3 of 5 (permalink) Old 09-29-2008, 09:33 AM
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I would guess that the "lock up" you describe is because your stock lug bolts are too long for the 18" wheels, so they are passing through the hub and engaging hardware behind them, such as the parking brake. If you got lucky you won't have broken or damaged anything.

The other issue is offset, if the 18s are the wrong offset you'll end up having to buy spacers if you really want to use them. Of course you'll then need the proper length lug bolts to accommodate the spacers. If you do have the correct offset, then you can use one of the tire size calculators such as the one at miata.net or 1010tires.com.

As if that were not enough, there are two different ball seat designs and two different lug bolt diameters. (R14 and 14M, R12 and 12M). Your car uses the R14/14M, if the 18s came off an older model (like a W210) then their ball seat would be R12, so you'd need custom lug bolts of R12x14M, available through RADUSAdirect.com. There is also a W209 forum specific to your car, posting in there may yield useful results, and the wheel and tire forum could be useful as well.

Although written for the W210 chassis, this is a thread that may have some useful information about the forest into which you have inadvertently stumbled: http://www.benzworld.org/forums/w210...el-thread.html.

Take care and enjoy the ride,

Socialism is a philosophy of failure, the creed of ignorance, and the gospel of envy; its inherent virtue is the equal sharing of misery. (Winston Churchill)
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post #4 of 5 (permalink) Old 09-29-2008, 05:32 PM Thread Starter
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Thanks for the help, I really appreciate it. Now I'm wondering if i need to buy tires at all but I will check that website you posted. The tires on them now are 275/35 Continentals, and I'd be saving a good $600 opting out of the michelins.

I was wondering tho if I could keep the 17's up front and have the 18's on the back and keep it like that cause it kinda looks cool i think haha. anyways thanks again!
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post #5 of 5 (permalink) Old 07-13-2010, 12:52 PM
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Do you stil have the old 17" rear rim? If so are you interested in selling?
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