Why are the front tyres on my Mercedes-Benz ML wearing so fast?

The front Pirelli P Zero Rosso tyres of my Mercedes-Benz ML last only 4000 miles. The rears show no sign of wear. The car has 31,000 miles with full MB service history. Mercedes says this is normal for mixed road usage round London commuting and weekend runs. Tyre size is 265/45 R20. What can I do to resolve this problem?

Asked on 14 September 2013 by RA, via email

Answered by Honest John
The more the front tyres wear at a different rate from the rears, the more the four wheel drive system will ‘think’ there is slippage and will engage drive to the front wheels. The other part of the problem is the width and the profile of the tyres. You can opt for 17-inch, 18-inch, 19-inch or 20-inch wheels on the 2005 - 2012 ML. 17s are the deepest profile, longest lasting and least expensive tyres. 20s are the lowest profile, shortest lasting, most vulnerable to damage and most expensive tyres.
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