I have found a lot of MBs tend to wear front tires significantly more on the sides and rear tires down the center. Using the rotation method in post number 2, I was able to get over 80,000 miles out fo a set of Michelin MXV4s on a C280.

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Ali Al-Chalabi

2001 CLK55
1999 Dodge Ram 2500 Cummins Diesel
2002 Harley-Davidson Fatboy
Merlin Extralight w/ Campy Record