Smart ForFour W454 — Reliability

W454 2004–2006 1 engine

Reliability Summary

Engine M134 1.1 — 68/100 ACCEPTABLE
Known Issues 1

Engine in this model

ACCEPTABLE 68

M134 1.1

M134 1.1 (Mitsubishi)

ForFour 454 (W454). Mitsubishi 3-cyl. Short production run. Simple. No known major issues — too few ...

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Known Issues Across All Engines

Issue Engine Severity Onset
No significant issues M134 1.1 minor —