M271 vs M112/M113
Side-by-side reliability comparison
Higher reliability score
M112/M113
BEST
92/100
+57 points over M271
0
/ 100
AVOID
M271
Mercedes-Benz
0
/ 100
BEST
M112/M113
Mercedes-Benz
Specifications
M271
M112/M113
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
AVOID
BEST
Reliability
35
92
Years
2002--2014
1997--2006
Displacement
1796 cc
3199 cc
Layout
I4
V6
Type
Petrol Supercharged
Petrol Na
Power
184--204 hp
218--306 hp
Known Issues
3
3
Total Risk Cost
€2,300--€5,500
€950--€2,850
Character
M271
"Single-row timing chain stretches causing catastrophic failure. Avoid."
M112/M113
"Last simple MB V6/V8. Over-engineered. Cheap to maintain. 250k+ km."
Issues Comparison
M271 3
◆ CRITICAL
Single-row timing chain stretch — catastrophic
▲ HIGH
Supercharger clutch / belt failure
● MODERATE
Valve cover gasket oil leak
M112/M113 3
● MODERATE
Air suspension / Airmatic failure (S/ML models)
○ MINOR
Spark plugs + ignition coils (V6/V8)
○ MINOR
Coolant system: thermostat + expansion tank