Los Angeles, CA: A defective product class action lawsuit has been filed against Mercedes Benz, over allegations of premature wear taking place with its M156 engines, specifically the cam shafts. The suit alleges that the premature wear in the M156 V8 (63 AMG) engine leads to engine problems and in some instances engine failure.
The suit states that the camshafts used are made of cast nodular iron but the valve lifters used are made of 9310 grade steel, and that the combination of these metals as designed is contributing to premature wear of the M156 motors. The suit allegest that Mercedes and AMG, a division of Mercedes that sells the high-end M156 have known about this issue since 2007. According to the lawsuit, the luxury vehicles sell for between $60K and $200K.