Mercedes-Benz E 200 W212 — Reliability

W212 Sedan Executive 2009–2016 2 engines

Reliability Summary

Best engine M274 — 72/100 ACCEPTABLE
Worst engine M271 — 35/100 AVOID
Average reliability 54/100

Engine Comparison

Engine Reliability Score Verdict Known Issues
M274
2.0L Turbo I4 		72/100 ACCEPTABLE Oil consumption — piston ring design (early units) +2
M271
1.8L SC I4 		35/100 AVOID Single-row timing chain stretch — catastrophic +2

Engines in this model

ACCEPTABLE 72

M274

2.0L Turbo I4

Improved over M271. Dual-row chain. Thermostat main issue. Reliable with care.

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AVOID 35

M271

1.8L SC I4

Single-row timing chain stretches causing catastrophic failure. Avoid.

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Known Issues Across All Engines

Issue Engine Severity Onset
Oil consumption — piston ring design (early units) M274 high 60,000 km – 120,000 km
Thermostat failure M274 moderate 60,000 km – 130,000 km
Camshaft adjuster / actuator noise M274 moderate 80,000 km – 160,000 km
Single-row timing chain stretch — catastrophic M271 critical 60,000 km – 150,000 km
Supercharger clutch / belt failure M271 high 80,000 km – 150,000 km
Valve cover gasket oil leak M271 moderate 80,000 km – 150,000 km

FAQ

Is the Mercedes-Benz E 200 reliable?

The Mercedes-Benz E 200 has 2 engine options with reliability scores ranging from 35/100 (AVOID) to 72/100 (ACCEPTABLE). Average reliability: 54/100.

Which Mercedes-Benz E 200 engine is most reliable?

The M274 is the most reliable engine in the Mercedes-Benz E 200, scoring 72/100 (ACCEPTABLE).

What problems does the Mercedes-Benz E 200 have?

Across all engine variants, the Mercedes-Benz E 200 has 6 known issues. The most common are related to Oil consumption — piston ring design (early units), Thermostat failure, Camshaft adjuster / actuator noise.