Mercedes-Benz C-Class W204 — Reliability

W204 2011–2014 1 engine

Reliability Summary

Engine M276 — 78/100 BUY
Known Issues 3

Engine in this model

BUY 78

M276

V6 3.0/3.5L

Refined M272 successor. Direct injection. 200k+ km with care.

View details →

Known Issues Across All Engines

Issue Engine Severity Onset
Timing chain tensioner / camshaft adjuster M276 moderate 100,000 km – 170,000 km
Spark plugs + ignition coils M276 minor 80,000 km – 150,000 km
Valve cover / cam cover oil leaks M276 minor 100,000 km – 200,000 km