M112/M113 vs OM656

Side-by-side reliability comparison

Higher reliability score
M112/M113 BEST 92/100
+10 points over OM656
0 / 100
BEST M112/M113 Mercedes-Benz
0 / 100
BUY OM656 Mercedes-Benz

Specifications

M112/M113
OM656
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
BEST
BUY
Reliability
92
82
Years
1997--2006
2017--present
Displacement
3199 cc
2999 cc
Layout
V6
I6
Type
Petrol Na
Diesel
Power
218--306 hp
243--330 hp
Known Issues
3
2
Total Risk Cost
€950--€2,850
€500--€2,000

Character

M112/M113

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

OM656

"Flagship modern MB diesel. Inline-6 smoothness returns. MHEV. GLE/GLS/S-Class. Excellent highway. Early data strong."

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

OM656 2

● MODERATE
DPF + EGR — diesel city driving concern €400--€1,200 60,000 km--120,000 km
○ MINOR
AdBlue / SCR system consumption and faults €100--€800 30,000 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

OM656 3

E 400d W213 2016--2024 Sedan GLE 350d W166 2015--2019 SUV S 350d W222 2013--2020 Sedan
Full M112/M113 Report Full OM656 Report