M111 vs OM654
Side-by-side reliability comparison
Higher reliability score
OM654
BEST
85/100
+9 points over M111
0
/ 100
ACCEPTABLE
M111
Mercedes-Benz
0
/ 100
BEST
OM654
Mercedes-Benz
Specifications
M111
OM654
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
ACCEPTABLE
BEST
Reliability
76
85
Years
1992--2003
2016--present
Displacement
2295 cc
1950 cc
Layout
I4
I4
Type
Petrol Na
Diesel
Power
122--193 hp
150--245 hp
Known Issues
2
2
Total Risk Cost
€1,000--€2,500
€500--€1,500
Character
M111
"W202/W210 4-cyl. Supercharged Kompressor versions. Simple, reliable. Head gasket is the main concern. Kompressor clutch can fail. Good parts availability."
OM654
"Best modern MB diesel. Aluminium block, low friction. Long-distance champion."
Issues Comparison
M111 2
▲ HIGH
Head gasket failure
● MODERATE
Kompressor clutch/bearing failure
OM654 2
○ MINOR
DPF — better than older MB diesels but still diesel
○ MINOR
Minor EGR fouling (best-in-class but not immune)
Models
M111 0
No models listed.
OM654 47
B-Class
A-Class
GLA
A-Class
C-Class
C-Class
GLC
E-Class
GLC
E-Class
GLE
E-Class
C-Class
C-Class
GLC
GLC
E-Class
C-Class
E-Class
GLC
C-Class
C-Class
GLC
E-Class
CLA
A-Class
CLA
B-Class
GLA
GLA
A-Class
E-Class
S-Class
GLE
E-Class
G-Class
E-Class
G-Class
G-Class
S-Class
S-Class
S-Class
GLE
S-Class
C 220d Wagon
E 220d Wagon
GLC 220d Coupe