need some help with tire size on c63
11-20-2011, 01:56 PM
#2
MBWorld Fanatic!
11-20-2011, 05:05 PM
#6
MBWorld Fanatic!
11-20-2011, 05:30 PM
#7
I was under the impression that the rule of thumb was to stay within +/- 3% of OEM tire diameter otherwise it throws the speedo way off and could cause other issues. A 45 series tires is 3.7% and almost an inch difference in the front and 5,3% different in the rear versus OEM.
Personally, I would not use a 45 series tire unless it was very narrow and maintained the standard height. For example, a 225/40 tire is the same diameter as a 255/35 tire. Therefore, running a 225/40 rear is perfectly fine.
Personally, I would not use a 45 series tire unless it was very narrow and maintained the standard height. For example, a 225/40 tire is the same diameter as a 255/35 tire. Therefore, running a 225/40 rear is perfectly fine.
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11-20-2011, 07:55 PM
#8
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c63
We are running 225/45/18's Michelins X-Ice all around and it works fine. They're a bit taller than the stock tires, but there are no clearance issues.
235/45/18's are even taller so it might be getting close.
235/45/18's are even taller so it might be getting close.
