M266 vs M112/M113
Side-by-side reliability comparison
Higher reliability score
M112/M113
BEST
92/100
+30 points over M266
0
/ 100
CAUTION
M266
Mercedes-Benz
0
/ 100
BEST
M112/M113
Mercedes-Benz
Specifications
M266
M112/M113
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
CAUTION
BEST
Reliability
62
92
Years
2005--2011
1997--2006
Displacement
2034 cc
3199 cc
Layout
I4
V6
Type
Petrol Na
Petrol Na
Power
116--193 hp
218--306 hp
Known Issues
1
3
Total Risk Cost
€800--€2,000
€950--€2,850
Character
M266
"W245 B-Class. Inclined engine (at 57°). Unusual design. Balance shaft chain can break. Oil leaks. CVT gearbox issues (not engine). Turbo version (B200T) more troublesome."
M112/M113
"Last simple MB V6/V8. Over-engineered. Cheap to maintain. 250k+ km."
Issues Comparison
M266 1
▲ HIGH
Balance shaft chain failure
M112/M113 3
● MODERATE
Air suspension / Airmatic failure (S/ML models)
○ MINOR
Spark plugs + ignition coils (V6/V8)
○ MINOR
Coolant system: thermostat + expansion tank