OM642 vs M112/M113
Side-by-side reliability comparison
Higher reliability score
M112/M113
BEST
92/100
+10 points over OM642
0
/ 100
BUY
OM642
Mercedes-Benz
0
/ 100
BEST
M112/M113
Mercedes-Benz
Specifications
OM642
M112/M113
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
BUY
BEST
Reliability
82
92
Years
2005--2020
1997--2006
Displacement
2987 cc
3199 cc
Layout
V6
V6
Type
Diesel
Petrol Na
Power
190--265 hp
218--306 hp
Known Issues
3
3
Total Risk Cost
€1,500--€4,400
€950--€2,850
Character
OM642
"Legendary V6 diesel. 250k+ km. Fix swirl flaps and enjoy."
M112/M113
"Last simple MB V6/V8. Over-engineered. Cheap to maintain. 250k+ km."
Issues Comparison
OM642 3
▲ HIGH
Valley oil cooler seal failure — #1 issue
● MODERATE
Intake swirl flap actuator failure
● MODERATE
BlueTEC NOx system / DEF issues (where fitted)
M112/M113 3
● MODERATE
Air suspension / Airmatic failure (S/ML models)
○ MINOR
Spark plugs + ignition coils (V6/V8)
○ MINOR
Coolant system: thermostat + expansion tank