Tire wear and camber - Mercedes Benz SLK Forum

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#1 Old 02-22-2012
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Tire wear and camber

17K miles ago put conti extreme dws on the SLK. rear tires worn down, but not evenly (one side of tire measured 2/32 other 5/32 as i remember), so warranty not good. Place I bought them (my shop for 30+ years) said the camber was off causing the uneven wear..

had 4 wheel alignment done at the dealers, rear camber was not out of spec.

any ideas ???
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#2 Old 02-23-2012
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17K on a set of tires! Are you sure you are driving an SLK?
Sorry about that, just could not help myself
The SLK uses extreme camber setting to enhance its cornering capabilities.
17K on a set of tires indicates that you are very easy on the loud pedal and are careful around turns.
If you drive mostly in a straight line the tires will wear out on the inside.


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#3 Old 02-23-2012
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We got 18k miles out of the first set of rears and 15k miles out of the second set. Changed the fronts at 33k miles with the second set of rears. All Pirelli P7. In each case the treads were between 2mm and 3mm. Wear was a little more severe on the inside.

So your wear rate seems about right to me, but then I like a granny...
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#4 Old 02-24-2012
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You must be driving very gently, I have just replaced the rears for the second time at 24,000 miles. The first set lasted till 11,000, which seems to be average for an SLK driven like a sports car. Not mad, just brisk. The fronts are still good, looks like they're good for another 5,000.

The rear tyres wearing unevenly is normal, stand behind the car and you see that the high camber angle means the wheels are noticeably leaning inwards at the top causing the inside edge to ear more.
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#5 Old 02-24-2012
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Originally Posted by filgreen View Post
You must be driving very gently, I have just replaced the rears for the second time at 24,000 miles. The first set lasted till 11,000, which seems to be average for an SLK driven like a sports car. Not mad, just brisk. The fronts are still good, looks like they're good for another 5,000.

The rear tyres wearing unevenly is normal, stand behind the car and you see that the high camber angle means the wheels are noticeably leaning inwards at the top causing the inside edge to ear more.
Oh, I'm always last on a sheep chase..... not!!

I tend not to do much do indulge in plenty of and have been told I have a very smooth driving style. Essentially, I do use the car, I don't abuse it.
As my/our SLK is a 200 on 16" rims, it doesn't have the outright performance of the more potent variants, but it hangs in there pretty well to be honest. The SLK is a very well balanced car IMO and it can be driven very quickly without overstressing the tyres. On the limit, it's predictable and a delight to balance on the throttle in a long corner with a whiff of oversteer.
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#6 Old 02-24-2012
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Originally Posted by GeeJay View Post
Oh, I'm always last on a sheep chase..... not!!

I tend not to do much do indulge in plenty of and have been told I have a very smooth driving style. Essentially, I do use the car, I don't abuse it.
.

:-) You do damned well! I'm missing SheepChasing - may not be able to wait until June! Need to find some fun roads down south.....



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#7 Old 02-24-2012
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:-) You do damned well! I'm missing SheepChasing - may not be able to wait until June! Need to find some fun roads down south.....
M25 ?
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#8 Old 02-24-2012
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Wearing out the rears about 10k miles is normal on a 350 - at least for me. On the 200 my experience was more closer to Geejays.


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