Mercedes-Benz A-Class W169 — Reliability

W169 2005–2012 1 engine

Reliability Summary

Engine M266 — 62/100 CAUTION
Known Issues 1

Engine in this model

CAUTION 62

M266

M266 1.7/2.0 (W245 B-Class)

W245 B-Class. Inclined engine (at 57°). Unusual design. Balance shaft chain can break. Oil leaks. CV...

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Known Issues Across All Engines

Issue Engine Severity Onset
Balance shaft chain failure M266 high 80,000 km – 150,000 km