Made on
Tilda
The most infamous M272 problem affects engines produced between . The balance shaft sprocket was manufactured with a material that was too soft, causing it to wear down prematurely. As the sprocket wears, metal shavings contaminate the oil, and the timing between the crankshaft and camshafts can be thrown off.
The M272 relies on a coil-on-plug ignition system managed by the Bosch ME 9.7 Engine Control Unit (ECU). Key Diagram Components: Mercedes Benz M272 Engine Parts Diagram
If you are dealing with a specific code or noise, could you share it? I can help you on the diagram to check first. The most infamous M272 problem affects engines produced
Look for the cylinder numbering. Mercedes numbers cylinders from front to back: Left bank (driver side in LHD cars) = cylinders 1, 2, 3; Right bank = cylinders 4, 5, 6. The M272 relies on a coil-on-plug ignition system