M119 vs OM648
Side-by-side reliability comparison
Higher reliability score
OM648
BEST
90/100
+18 points over M119
0
/ 100
ACCEPTABLE
M119
Mercedes-Benz
0
/ 100
BEST
OM648
Mercedes-Benz
Specifications
M119
OM648
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
ACCEPTABLE
BEST
Reliability
72
90
Years
1989--1998
2002--2006
Displacement
4973 cc
3222 cc
Layout
V8
I6
Type
Petrol Na
Diesel
Power
326--381 hp
204 hp
Known Issues
1
2
Total Risk Cost
€500--€2,000
€450--€1,100
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."
OM648
"Modern OM606 successor. Excellent highway cruiser. Strong torque."
Issues Comparison
M119 1
▲ HIGH
Wiring harness biodegradation
OM648 2
● MODERATE
EGR valve fouling (city use)
○ MINOR
Glow plugs + injector seals