OM612 vs OM648

Side-by-side reliability comparison

Higher reliability score
OM648 BEST 90/100
+20 points over OM612
0 / 100
ACCEPTABLE OM612 Mercedes-Benz
0 / 100
BEST OM648 Mercedes-Benz

Specifications

OM612
OM648
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
ACCEPTABLE
BEST
Reliability
70
90
Years
1999--2005
2002--2006
Displacement
2685 cc
3222 cc
Layout
I5
I6
Type
Diesel
Diesel
Power
170 hp
204 hp
Known Issues
1
2
Total Risk Cost
€300--€800
€450--€1,100

Character

OM612

"W210/W211 E270 CDI. 5-cylinder diesel. Smooth, torquey. Injector seal 'black death' concern. Turbo resonator failure. EGR issues. Good motorway cruiser when maintained."

OM648

"Modern OM606 successor. Excellent highway cruiser. Strong torque."

Issues Comparison

OM612 1

▲ HIGH
Injector seal leak (Black Death) €300--€800 80,000 km--150,000 km

OM648 2

● MODERATE
EGR valve fouling (city use) €300--€700 80,000 km--160,000 km
○ MINOR
Glow plugs + injector seals €150--€400 80,000 km--160,000 km

Models

OM612 1

E-Class W211 2002--2005

OM648 6

E-Class W210 1999--2002 C-Class W203 2001--2005 E-Class W210 1999--2002 S-Class W220 1999--2002 S-Class W220 2002--2005 E 320 CDI W211 2002--2009 Sedan
Full OM612 Report Full OM648 Report