W212 Engine Mount(new)

• M272 / M276 V6 Gas Engines (e.g., E350): These models typically require a matched set of two front engine mounts alongside a transmission mount. The front left/right units usually correspond to base part numbers like A or A. • OM651 Diesel Engines (e.g., E250 CDI): These cars often utilize active electronic motor mounts. These mounts feature an internal solenoid plug with separate left and right designations (e.g., A) that cannot be interchanged. • OM642 V6 Diesel Engines (e.g., E320 / E350 BlueTEC): A common factory right-hand side replacement number is A.