Higher reliability score
OM654 BEST 85/100
+30 points over M279
0 / 100
CAUTION M279 Mercedes-Benz
0 / 100
BEST OM654 Mercedes-Benz

Specifications

M279
OM654
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
CAUTION
BEST
Reliability
55
85
Years
2013--2020
2016--present
Displacement
5980 cc
1950 cc
Layout
V12
I4
Type
Petrol Turbo
Diesel
Power
530--630 hp
150--245 hp
Known Issues
2
2
Total Risk Cost
€4,000--€15,000
€500--€1,500

Character

M279

"S65/SL65/G65 AMG. Twin-turbo V12. Turbo failure. ABC suspension fluid leaks contaminate engine bay. Timing chain. Catastrophically expensive to repair. Ultimate AMG but specialist only."

OM654

"Best modern MB diesel. Aluminium block, low friction. Long-distance champion."

Issues Comparison

M279 2

◆ CRITICAL
Turbo failure €3,000--€10,000 60,000 km--120,000 km
▲ HIGH
ABC suspension fluid contamination €1,000--€5,000 40,000 km--100,000 km

OM654 2

○ MINOR
DPF — better than older MB diesels but still diesel €300--€1,000 80,000 km--150,000 km
○ MINOR
Minor EGR fouling (best-in-class but not immune) €200--€500 100,000 km--180,000 km

Models

Full M279 Report Full OM654 Report