Mercedes M274 Engine Defective Pistons Complaint

November 7, 2022

A piston is a basic part of a vehicle whose movement inside a cylinder compresses the mixture of combustible fuel and air and drives the vehicle forward. The complaint for this class action alleges that Mercedes-Benz USA, LLC (MBUSA) sells and leases certain vehicles that have defective M274 engines with pistons that are prone to failure, requiring the replacement of the engine.