Higher reliability score
OM648 BEST 90/100
+1 points over M113
0 / 100
BEST M113 Mercedes-Benz
0 / 100
BEST OM648 Mercedes-Benz

Specifications

M113
OM648
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
BEST
BEST
Reliability
89
90
Years
1997--2010
2002--2006
Displacement
4966 cc
3222 cc
Layout
V8
I6
Type
Petrol Na
Diesel
Power
272--367 hp
204 hp
Known Issues
7
2
Total Risk Cost
€1,280--€3,625
€450--€1,100

Character

M113

"The V8 workshops call indestructible. Valve-cover gaskets weep and the crank sensor dies when hot; otherwise 250,000 miles is routine. Supercharged E55 ML (476-500 PS) is a different animal and not covered here."

OM648

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

Issues Comparison

M113 7

▲ HIGH
Harmonic balancer (crank pulley) rubber delaminates €280--€650 N/A--N/A
● MODERATE
Oil leaks — valve-cover gaskets, front crank seal (V6), rear main seal (V8) N/A--N/A N/A--N/A
● MODERATE
Air suspension / Airmatic failure (S/ML models) €600--€2,000 100,000 km--180,000 km
○ MINOR
Oil sludge from conventional oil on long FSS intervals (MY1998-2001) N/A--N/A N/A--N/A
○ MINOR
Crankshaft position sensor fails when hot — stall or hot no-start €50--€125 N/A--N/A
○ MINOR
Spark plugs + ignition coils (V6/V8) €200--€500 80,000 km--150,000 km
○ MINOR
Coolant system: water pump, thermostat, expansion tank €150--€350 100,000 km--180,000 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

Full M113 Report Full OM648 Report