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Registered 2007 SLK55 AMG
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Discussion Starter · #1 ·
Hi. I have a 2007 SLK 55 with 38,000 miles. I purchased it a year ago with 32,000 miles. It has Michelin Pilot Sport tires in original size (front and rear). I don't know how many miles are on the front tires but they still have about 1/16" of tread above the wear indicators. Yesterday while changing the oil I noticed that the insides of the front tires are severely worn (tire cord showing in one place). The car drives great, does anyone know if this is typical?

The Carfax report shows several alignments a few years ago.
 

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Founding Member 2006
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108,943 Posts

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2014 SLK250
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1,001 Posts
Such wear is not normal if car is exactly to manufacturer's specs. Causes:
1. Poor alignment.
2. If the tread is 'feathered' as well to the outside, then alignment and suspension bushings.
3. If you have spacers, the camber is accentuated and inner wear is - to an extent - normal. But still check alignment.
 

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* Founding Member #2
2008 SLK55 AMG
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19,485 Posts
Hi. I have a 2007 SLK 55 with 38,000 miles. I purchased it a year ago with 32,000 miles. It has Michelin Pilot Sport tires in original size (front and rear). I don't know how many miles are on the front tires but they still have about 1/16" of tread above the wear indicators. Yesterday while changing the oil I noticed that the insides of the front tires are severely worn (tire cord showing in one place). The car drives great, does anyone know if this is typical?

The Carfax report shows several alignments a few years ago.
Not unheard of, and not necessarily related to alignment issues. It's about the OEM camber.

There is an old thread on this IIRC: http://www.slkworld.com/tires-wheel...86-check-your-tires-esp-inner-side-walls.html
 

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Registered 2007 SLK55 AMG
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38 Posts
Discussion Starter · #6 ·
Thanks to all for the very timely replies! The attachment from etyu was especially helpful. So... If the root of the problem is the negative camber specification from AMG I would expect all SLK 55 owners to have this problem, but apparently some owners (J Banks) have resolved it with a re-alignment. Did you request a reduction in negative camber?
 

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Founding Member 2006
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me? nope. it passed the test after the alignment and I got to buy 2 new front tires.
 

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* Founding Member #2
2008 SLK55 AMG
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19,485 Posts
The lesson I learned here is to check not only the tread wear on the tyres but also visually inspect the inner and outer side walls for damage, front and rear tyres, probably at least once a month.
Moreover, I check the tyre pressure for proper inflation every week or at least fortnightly.
This is important not only for safety but helps get the best mpg.
 

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Registered 2007 SLK55 AMG
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38 Posts
Discussion Starter · #9 ·
So are you now getting even tread wear? I am meticulous with maintaining proper tire pressure. However I suspect that the wear on the inside of the tires may have been substantial prior to my purchase of the car. Maybe the previous owner did not watch the tire pressure!
 

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Founding Member 2006
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me? yes!......
(use the quote button under anyone's or my post so i/we know who you are directing the questions to) :D
I also, like Dr Eddy, check my pressure weekly.
 

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* Founding Member #2
2008 SLK55 AMG
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19,485 Posts
So are you now getting even tread wear? I am meticulous with maintaining proper tire pressure. However I suspect that the wear on the inside of the tires may have been substantial prior to my purchase of the car. Maybe the previous owner did not watch the tire pressure!
Yes.

I think my fault was trying to "stretch" the interval between tyre change on the fronts as they were the OEM Pirellis. I haven't noticed the same thing reoccur with other tyre manufacturers I've used since: Yokohama S. Drive, Goodyear F1 Aymmetrics, and Michelin Pilot Super Sport.

I change the tyres when they are around 3/32 in tread wear and so far I like the Michelin Pilot Super Sports the best, in terms of tread life, noise and handling. (personal preference, others may disagree)
 

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* Founding Member #2
2008 SLK55 AMG
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19,485 Posts
me? yes!......
(use the quote button under anyone's or my post so i/we know who you are directing the questions to) :D
I also, like Dr Eddy, check my pressure weekly.
You should check both tyre and blood pressure weekly and keep a log of the numbers :grin::grin::grin::grin:
 
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Registered 2007 SLK55 AMG
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38 Posts
Discussion Starter · #13 ·
me? yes!......
(use the quote button under anyone's or my post so i/we know who you are directing the questions to) :D
I also, like Dr Eddy, check my pressure weekly.
I'm learning! Yes, I was asking you if your problem was eliminated after the alignment. Thanks again for all of your help / suggestions.
 

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Founding Member 2006
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my problem was cord showing through tire :D
that was the 1st wheel alignment

I needed another one the following year. But my last name is Banks so I can handle it. No bad tires this time.
 

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Founding Member 2006
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108,943 Posts
daily? it says weekly :D
i detail daily among other things
 
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