M112/M113 vs OM642

Side-by-side reliability comparison

Higher reliability score
M112/M113 BEST 92/100
+10 points over OM642
0 / 100
BEST M112/M113 Mercedes-Benz
0 / 100
BUY OM642 Mercedes-Benz

Specifications

M112/M113
OM642
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
BEST
BUY
Reliability
92
82
Years
1997--2006
2005--2020
Displacement
3199 cc
2987 cc
Layout
V6
V6
Type
Petrol Na
Diesel
Power
218--306 hp
190--265 hp
Known Issues
3
3
Total Risk Cost
€950--€2,850
€1,500--€4,400

Character

M112/M113

"Last simple MB V6/V8. Over-engineered. Cheap to maintain. 250k+ km."

OM642

"Legendary V6 diesel. 250k+ km. Fix swirl flaps and enjoy."

Issues Comparison

M112/M113 3

● MODERATE
Air suspension / Airmatic failure (S/ML models) €600--€2,000 100,000 km--180,000 km
○ MINOR
Spark plugs + ignition coils (V6/V8) €200--€500 80,000 km--150,000 km
○ MINOR
Coolant system: thermostat + expansion tank €150--€350 100,000 km--180,000 km

OM642 3

▲ HIGH
Valley oil cooler seal failure — #1 issue €800--€2,000 80,000 km--150,000 km
● MODERATE
Intake swirl flap actuator failure €400--€900 60,000 km--130,000 km
● MODERATE
BlueTEC NOx system / DEF issues (where fitted) €300--€1,500 60,000 km--∞

Models

M112/M113 23

E-Class W210 1997--2002 E-Class W211 2002--2005 C-Class W203 2001--2005 C-Class W202 1997--2000 E-Class W210 1996--2002 S-Class W220 1998--2005 E-Class W210 1996--2002 S-Class W220 1998--2005 CLK W209 2002--2005 C-Class W203 2001--2005 E-Class W210 1997--2002 S-Class W220 1998--2005 S-Class W220 1998--2005 E-Class W211 2002--2006 CLK W209 2002--2006 SL R230 2001--2006 G-Class W463 2008--2018 E-Class W210 1997--2002 C-Class W203 2004--2007 E-Class W211 2003--2006 SL R230 2002--2008 ML 320 W163 1997--2005 SUV ML 350 W163 2003--2005 SUV

OM642 13

E-Class W211 2005--2009 S-Class W221 2005--2009 GLE W166 2015--2019 C-Class W203 2005--2007 CLK W209 2005--2009 S-Class W222 2013--2017 C-Class W204 2009--2014 E-Class W212 2012--2016 E-Class W212 2009--2016 E-Class W211 2005--2009 S-Class W221 2009--2013 G-Class W463 2010--2018 ML 350 CDI W164 2005--2011 SUV
Full M112/M113 Report Full OM642 Report