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C300 stock wheels no longer fitting, grinding sound

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Old Dec 3, 2012 | 05:49 PM
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C300
C300 stock wheels no longer fitting, grinding sound

I have a 09 C300 that I am recently taking back to stock. Originally I had after market rims/tires and suspension. I went to put the stock wheels back on last night and came across a problem. The wheels are in the right position as far as 245/40 in the rear 225/40 in the front but I can hear something grinding when it rolls. Almost as if I need a spacer? A little confused as these are my original stock wheels. Anyone else ever had the same problem? Or know what I'm doing wrong??
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Old Dec 4, 2012 | 12:43 AM
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Did you use the same lug bolts that were used with the aftermarket wheels? Maybe they're longer than the stock lug bolts?
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Old Dec 4, 2012 | 02:49 AM
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first thing I thought too, i've tried both just to be certain
I'm stumped. Only thing I can think of is that I left these stock wheels (w/lugs) at a buddies shop. I'm wondering if they are lugs off of another mercedes...would that even make a difference?
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Old Dec 4, 2012 | 08:26 AM
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If your rear lug bolts are too long they foul the e brake mechanism in the rear wheel hats.
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Old Dec 6, 2012 | 01:23 PM
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bolts should be 14mm X 1.5 X 1.1" (27mm) for regular C-Class. R14 ball seated. this is 100% correct. just done yesterday (12.5.12). Pep boys carries them for about 25 bucks, the dealership charges 125...typical.

if you use lugs that are even a few mm's too long you will destroy your ebrake within a few miles at high speeds.
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Old Mar 19, 2013 | 05:35 AM
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got the original wheel studs from the dealer problem fixed thanks for the help guys
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Old Mar 19, 2013 | 07:58 AM
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Originally Posted by Glyn M Ruck
If your rear lug bolts are too long they foul the e brake mechanism in the rear wheel hats.
How do you know all this, like an automotive encyclopedia!!!
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Old Mar 3, 2014 | 12:19 AM
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This happened to me too but only on the aftermarket wheels. Wat causes it? Is it too long??
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Old Mar 3, 2014 | 01:24 AM
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Yes long bolts. Same thing happened on mine good thing nothing got messed up.
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Old Mar 3, 2014 | 01:41 PM
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I had the same issue and just shaved mine down.
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Old Mar 11, 2014 | 07:45 AM
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@shotgun I took the bolt out and the tip look like there were no contact against the break at all still look new
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