Mercedes-Benz CLK W209 — Reliability

W209 2006–2009 1 engine

Reliability Summary

Engine M156 — 60/100 CAUTION
Known Issues 2

Engine in this model

CAUTION 60

M156

M156 6.2 V8 AMG

C63/E63/S63 W204/W212/W221. Head bolt failure on early units (2007-2008). Intake manifold swirl flap...

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Known Issues Across All Engines

Issue Engine Severity Onset
Head bolt failure (2007-2008) M156 critical 40,000 km – 100,000 km
Intake manifold swirl flap M156 high 60,000 km – 120,000 km