Mercedes-Benz CLA C118 — Reliability

C118 2019–present 1 engine

Reliability Summary

Engine OM654 — 85/100 BEST
Known Issues 2

Engine in this model

BEST 85

OM654

2.0L Diesel I4

Best modern MB diesel. Aluminium block, low friction. Long-distance champion.

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Known Issues Across All Engines

Issue Engine Severity Onset
DPF — better than older MB diesels but still diesel OM654 minor 80,000 km – 150,000 km
Minor EGR fouling (best-in-class but not immune) OM654 minor 100,000 km – 180,000 km