Mercedes-Benz SL R231 — Reliability

R231 2012–2020 1 engine

Reliability Summary

Engine M276 — 78/100 BUY
Known Issues 3

Engine in this model

BUY 78

M276

V6 3.0/3.5L

Refined M272 successor. Direct injection. 200k+ km with care.

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Known Issues Across All Engines

Issue Engine Severity Onset
Timing chain tensioner / camshaft adjuster M276 moderate 100,000 km – 170,000 km
Spark plugs + ignition coils M276 minor 80,000 km – 150,000 km
Valve cover / cam cover oil leaks M276 minor 100,000 km – 200,000 km