M119 vs OM606
Side-by-side reliability comparison
Higher reliability score
OM606
BEST
96/100
+24 points over M119
0
/ 100
ACCEPTABLE
M119
Mercedes-Benz
0
/ 100
BEST
OM606
Mercedes-Benz
Specifications
M119
OM606
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
ACCEPTABLE
BEST
Reliability
72
96
Years
1989--1998
1993--2001
Displacement
4973 cc
2996 cc
Layout
V8
I6
Type
Petrol Na
Diesel
Power
326--381 hp
134--174 hp
Known Issues
1
2
Total Risk Cost
€500--€2,000
€280--€700
Character
M119
"W124 500E/E500, R129 SL500, W140 S500 V8. DOHC 32V. Wiring harness issue (biodegradable). Ignition system needs attention at high mileage. Strong engine, expensive to maintain."
OM606
"Legendary. 500k+ miles documented. Tunable to 500hp. One of most reliable engines ever."
Issues Comparison
M119 1
▲ HIGH
Wiring harness biodegradation
OM606 2
○ MINOR
Glow plug failure (only meaningful issue)
○ MINOR
Injection pump seal wear (age-related)