Located in the oil pan, this switch replaced earlier sensors and is a common point for electronic failure or leaks. Camshaft Position Sensors:
No discussion of the M272 engine is complete without addressing its Achilles' heel: the balance shaft gear. In early production models of the M272, the teeth on the balance shaft gear and the idler gear were made of a softer metal alloy. Over time, the timing chain wears these teeth down, resulting in the dreaded "Check Engine Light" triggered by timing correlation faults (typically ). Mercedes Benz M272 Engine Parts Diagram
In Mercedes-Benz terminology, Bank 1 (Right) is the passenger side (US models), and Bank 2 (Left) is the driver side. Located in the oil pan, this switch replaced
The Mercedes-Benz M272 is a 90-degree V6 engine that introduced several advanced features, such as continuous variable valve timing (VVT) for both intake and exhaust and a magnesium variable-length intake manifold Over time, the timing chain wears these teeth