OM611 vs OM606

Side-by-side reliability comparison

Higher reliability score
OM606 BEST 96/100
+24 points over OM611
0 / 100
ACCEPTABLE OM611 Mercedes-Benz
0 / 100
BEST OM606 Mercedes-Benz

Specifications

OM611
OM606
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
ACCEPTABLE
BEST
Reliability
72
96
Years
1998--2006
1993--2001
Displacement
2148 cc
2996 cc
Layout
I4
I6
Type
Diesel
Diesel
Power
102--143 hp
134--174 hp
Known Issues
2
2
Total Risk Cost
€600--€1,600
€280--€700

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."

OM606

"Legendary. 500k+ miles documented. Tunable to 500hp. One of most reliable engines ever."

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

OM606 2

○ MINOR
Glow plug failure (only meaningful issue) €80--€200 80,000 km--∞
○ MINOR
Injection pump seal wear (age-related) €200--€500 200,000 km--∞

Models

OM611 0

No models listed.

OM606 2

300D W124 1993--1997 Sedan E 300D W210 1995--2003 Sedan
Full OM611 Report Full OM606 Report