OM611 vs OM648

Side-by-side reliability comparison

Higher reliability score
OM648 BEST 90/100
+18 points over OM611
0 / 100
ACCEPTABLE OM611 Mercedes-Benz
0 / 100
BEST OM648 Mercedes-Benz

Specifications

OM611
OM648
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
ACCEPTABLE
BEST
Reliability
72
90
Years
1998--2006
2002--2006
Displacement
2148 cc
3222 cc
Layout
I4
I6
Type
Diesel
Diesel
Power
102--143 hp
204 hp
Known Issues
2
2
Total Risk Cost
€600--€1,600
€450--€1,100

Character

OM611

"W203/W210 C/E 200/220 CDI. Common rail diesel. Injector seal leak ('black death') if neglected. Turbo actuator failure. Inlet manifold swirl flaps. Fundamentally strong if maintained."

OM648

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

Issues Comparison

OM611 2

▲ HIGH
Injector seal leak (Black Death) €300--€800 80,000 km--150,000 km
● MODERATE
Turbo actuator failure €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

OM611 0

No models listed.

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 OM611 Report Full OM648 Report