The Mercedes-Benz M272 engine is a 60-degree V6 gasoline engine produced from 2004 to 2011. It replaced the M112 V6 and became a workhorse across a vast range of models, including the C-Class (W204), E-Class (W211), SLK (R171), ML-Class (W164), and even the Chrysler Crossfire. While beloved for its smooth power delivery and dual overhead camshafts (DOHC), the M272 is also infamous for certain mechanical flaws.
To understand its operation, maintenance, and weaknesses, one must first understand its parts diagram. This write-up dissects the engine into logical systems, referencing the typical layout found in Mercedes’ official Electronic Parts Catalog (EPC) and workshop manuals. Mercedes Benz M272 Engine Parts Diagram
Note on Oil Routes: Follow the oil path on a detailed diagram. Oil travels: Pump → Oil Filter (canister on front of engine) → Main gallery → Balance shaft bearings → Crankshaft bearings → Camshafts → Return to pan. The Mercedes-Benz M272 engine is a 60-degree V6
Diagram Pro-Tip: If your diagram highlights the balance shaft with a warning note or a different color, it is likely an aftermarket diagram highlighting the failure area. Always replace the balance shaft with the updated part (#272 030 01 12). Note on Oil Routes: Follow the oil path
The Mercedes-Benz M272 engine is a 60-degree V6 gasoline engine produced from 2004 to 2011. It replaced the M112 V6 and became a workhorse across a vast range of models, including the C-Class (W204), E-Class (W211), SLK (R171), ML-Class (W164), and even the Chrysler Crossfire. While beloved for its smooth power delivery and dual overhead camshafts (DOHC), the M272 is also infamous for certain mechanical flaws.
To understand its operation, maintenance, and weaknesses, one must first understand its parts diagram. This write-up dissects the engine into logical systems, referencing the typical layout found in Mercedes’ official Electronic Parts Catalog (EPC) and workshop manuals.
Note on Oil Routes: Follow the oil path on a detailed diagram. Oil travels: Pump → Oil Filter (canister on front of engine) → Main gallery → Balance shaft bearings → Crankshaft bearings → Camshafts → Return to pan.
Diagram Pro-Tip: If your diagram highlights the balance shaft with a warning note or a different color, it is likely an aftermarket diagram highlighting the failure area. Always replace the balance shaft with the updated part (#272 030 01 12).