Mercedes-Benz S-Class W222 — Reliability

W222 2014–2020 1 engine

Reliability Summary

Engine M279 — 55/100 CAUTION
Known Issues 2

Engine in this model

CAUTION 55

M279

M279 6.0 V12 Biturbo

S65/SL65/G65 AMG. Twin-turbo V12. Turbo failure. ABC suspension fluid leaks contaminate engine bay. ...

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Known Issues Across All Engines

Issue Engine Severity Onset
Turbo failure M279 critical 60,000 km – 120,000 km
ABC suspension fluid contamination M279 high 40,000 km – 100,000 km