CLK55 AMG, CLK63 AMG (W208, W209) 2000 - 2010 (Two Generations)

Pros & Cons: Larger Tires on Standard wheels?

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Old Jun 5, 2002 | 12:16 AM
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Pros & Cons: Larger Tires on Standard wheels?

The standard AMG monoblocks wheels are 7.5 X 17 for the front, 8.5 X 17 for the rear.

Is there any advantage in using larger tires than the standard 225/45/17 for the front & 225/40/17 for the rear on the standard wheels?
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Old Jun 6, 2002 | 06:00 PM
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I have been considering this too. I think it would look nicer having wider tires in the back. They look pretty whimpy at 245/40. It should grip better. It may slightly throw off the balance from understeer to oversteer for example or something along those lines. I do not plan to use my car at a track and will rarely if ever have it handling at 10/10th's of its maximum so that point is irrelevent to me.
What is the widest tire the stock wheel will handle both front and (most importantly) rear?
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Old Jun 6, 2002 | 06:20 PM
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Originally posted by skidz1
I have been considering this too. I think it would look nicer having wider tires in the back. They look pretty whimpy at 245/40. It should grip better. It may slightly throw off the balance from understeer to oversteer for example or something along those lines. I do not plan to use my car at a track and will rarely if ever have it handling at 10/10th's of its maximum so that point is irrelevent to me.
What is the widest tire the stock wheel will handle both front and (most importantly) rear?
For the standard FRONT wheel - 7.5 J X 17 - the max. width is 235and

For the standard rear wheel - 8.5 J X 17 - the max. width is 255.

As per many charts, incl. this Potenza S-03, the best rated tire according to the forum sponsor Tirerack.

http://www.tirerack.com/tires/Spec.j...+Pole+Position

It's strange.

I listed this question under the "Wheels & Tire..." section and so far ZERO response.

Increased tire WIDTH is the most inexpensive way of improving appearance & handling: $60.- per set of tires!!
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Old Jun 8, 2002 | 05:16 PM
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This question really depends on your driving style. If you're going to go with 19's it will look really nice but watch out for them potholes. One serious hit and that's an expensive wheel/tire to fix.
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Old Jun 8, 2002 | 10:10 PM
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Originally posted by JamE55
This question really depends on your driving style. If you're going to go with 19's it will look really nice but watch out for them potholes. One serious hit and that's an expensive wheel/tire to fix.
My question relates to wider tires on the same stock wheels, NOT larger wheels.

Can one use wider tires on the standard 17" wheels?

Standard front tires: 225/45/17.
Increase to 235/45/17?

Standard rear tires: 245/40/17.
Increase to 255/40/17?
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Old Jun 9, 2002 | 06:01 PM
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Originally posted by karl k
My question relates to wider tires on the same stock wheels, NOT larger wheels.

Can one use wider tires on the standard 17" wheels?

Standard front tires: 225/45/17.
Increase to 235/45/17?

Standard rear tires: 245/40/17.
Increase to 255/40/17?
I think wider tires for the rear just makes it better because the wider the tire the better the grip more rubber. The only con i can think of is that wider tires are probably a little bit more expensive.
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Old Jun 10, 2002 | 02:34 PM
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I would suggest that this question be posted on the tire forum of this site. Luke, of TireRack, is very good at answering questions like this one.
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Old Jun 10, 2002 | 03:31 PM
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Originally posted by Mike
I would suggest that this question be posted on the tire forum of this site. Luke, of TireRack, is very good at answering questions like this one.
Mike;

That's precisely what I thought and posted there first. Only one response...

https://mbworld.org/forums/showthrea...&threadid=9752
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Old Jun 13, 2002 | 07:30 PM
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All of them, as much as I can...
My 2c worth...

I think you'd have to go 235/40/17 and 255/35/17 if it's available. This way, the diameter won't increase too much.. Less likelihood of ESP/ABS/speedo calibration getting screwed up. Also, if you have Comand, you'd have to re-calibrate; but that's easy.
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Old Jun 13, 2002 | 10:23 PM
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Re: My 2c worth...

Originally posted by techbike
I think you'd have to go 235/40/17 and 255/35/17 if it's available. This way, the diameter won't increase too much.. Less likelihood of ESP/ABS/speedo calibration getting screwed up. Also, if you have Comand, you'd have to re-calibrate; but that's easy.
The diameter difference is exactly plus .3" or 1/4" for the 235/45 v 225 and 255/40 v 245. That's the equivalent of 1/8" surface tire wear - insignificant.

The revolutions per mile are 10 less for front and 10 less for the rear: 833 v 823 and 840 v 830.
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