Mercedes Benz M272 Engine Parts Diagram: A Comprehensive Guide

Components:

three timing chains

Flip the engine diagram around to the front view, and you’ll see the Timing Chain setup. Unlike the M112 which used a single long chain, the M272 uses :

Tumble Flaps

: These internal flaps improve air/fuel mixture at low engine speeds. A common failure point is the plastic actuator lever that controls these flaps, which can break and lead to "Check Engine" lights.