A quick tire size question... - Mercedes Benz SLK Forum

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#1 Old 07-05-2011
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A quick tire size question...

Can I increase the diameter of the rear tires on my SLK55 about an inch without throwing off the ABS/traction control or anything else? I'm considering running 255/40/18 on the rear.

TIA,
Thomas
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#2 Old 07-05-2011
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#3 Old 07-06-2011
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Not recommended. Do a search on tire size calculator. A number of tire shops on-line also have the tire size calculator, e.g., tire rack.

Eddy



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#4 Old 07-06-2011
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(Thread Starter)
So why aren't they recommended? Do taller rear tires (1" greater diameter so 1/2" taller) throw off the computer or is it a clearance issue? It's an esthetic thing, I just like the look of taller tires on the rear...
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#5 Old 07-06-2011
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Quote:
Originally Posted by thomas269 View Post
So why aren't they recommended? Do taller rear tires (1" greater diameter so 1/2" taller) throw off the computer or is it a clearance issue? It's an esthetic thing, I just like the look of taller tires on the rear...
what is the original tire size?
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#6 Old 07-06-2011
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Quote:
Originally Posted by bobl View Post
what is the original tire size?

18x35x245 on the '55. I'll have to look, I don't think there's an adaptation on the AMG for 40's on the rear. Not saying it's enough to throw an error, but MB does use rotational speed difference to manage ESP.



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