Tire clearance puzzle - Mercedes-Benz Forum

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post #1 of 4 (permalink) Old 10-24-2009, 12:07 PM Thread Starter
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Exclamation Tire clearance puzzle

Greetings Gents,

If the board can assist with this one, it would be a great help. I have a 2000 E430 base model with very unusual tire wear that makes me suspect something is interfering with the inside edge of the front tires. While checking for interference with the tire I noticed that there is very little space between the upper control arm bolt/nut and the inside edge of the tire...about a finger tip gap, 10mm (see picture). The clearance is quite minimal.

I checked the same gap on an E430 4matic and the gap was about 30 - 35 mm.

I'm tring to figure out if my configuration is correct. The two components that determine the gap are the steering knuckle and upper control arm. Therefore, can anyone tell me if the 2000 E430 base vs. 4matic models share the same steering knuckle and upper control arm part numbers or do they differ? Is there an explanation for the difference in clearances?

Much appreciated, Matt
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post #2 of 4 (permalink) Old 10-24-2009, 12:54 PM
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Correct wheel width, offset,and tire width for your vehicle?

'03 CL500,'07 GL450
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post #3 of 4 (permalink) Old 10-24-2009, 02:02 PM
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Did you measure that clearance with the wheel straight or turned? It gets smaller at full lock. 10mm at full lock would be fine.

I'm guessing you don't have OEM wheels and tires for the model on your car.

Two additional things: consider getting out of the general forum and instead hang out in the 210 forum, which is chock full of specific information about your car. Second, please click user cp and add vehicle and location info to your profile.

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post #4 of 4 (permalink) Old 10-25-2009, 07:47 PM Thread Starter
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Stock 17" wheels with stock 235/45/17 tires. The gap is fairly consistent from straight forward vs steering lock but the 10mm refers to straight forward.

Does anyone know if the E430 base and 4matic share the same suspension components? specifically the steering knuckle and upper control arm?

Thanks, Matt
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