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Issues with Tall tires, ie 245/45/18 e-classs?

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Old Dec 17, 2002 | 02:38 PM
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ricoh64's Avatar
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'99 E 430 , '05 E500
Issues with Tall tires, ie 245/45/18 e-classs?

Not that I'm planning on doing this, but I just wondered how installing taller than stock tires affects the suspension and or braking/esp system.

would just liked to know the technical reason why you should not go taller.

Thanx
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Old Dec 17, 2002 | 05:41 PM
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'97 MB E420 Sport/'88 MR2
If your overall diameter is bigger than stock, it will throw off your speedo.
I wouldn't go with taller height..if you're going bigger on the wheels, then the tire profile has to go lower.
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Old Dec 19, 2002 | 12:17 AM
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W203 & W204 3.0L 4matics & MR2 Supercharger
What's the stock size it's wearing now ?

NP
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Old Dec 19, 2002 | 06:45 PM
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ricoh64's Avatar
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'99 E 430 , '05 E500
stock is 215/55/16, issue is in the total dia. of 25.5". If I go into a size where the diameter goes into the 26-27" i'd like to know the mechanical implications besides speedometer adjustments. I know the ABS would be affected but how? Would ESP be affected and how would that affect be physically interpreted. In a panic situation what would happen to the abs, esp, with larger dia. tires. ex. 26.5"(255/45/18)? Would the affects be significant?

this kind of info i was looking to for ...

thanx
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Old Dec 19, 2002 | 08:32 PM
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W203 & W204 3.0L 4matics & MR2 Supercharger
----Tire------MPH70--Percent-Error----Revs/Mile
215/55R16_____70_________0_________796.83
255/45R18____74.8_______6.81________746.01

235/40R18 are a much better match. If you keep all 4 tires the same size it shouldn't cause problems with the EPS or ABS, the larger tires you want will throw off you speedo at 75MPH it will read 70MPH

NP
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