M279 vs M104

Side-by-side reliability comparison

Higher reliability score
M104 BEST 85/100
+30 points over M279
0 / 100
CAUTION M279 Mercedes-Benz
0 / 100
BEST M104 Mercedes-Benz

Specifications

M279
M104
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
CAUTION
BEST
Reliability
55
85
Years
2013--2020
1990--1997
Displacement
5980 cc
3199 cc
Layout
V12
I6
Type
Petrol Turbo
Petrol Na
Power
530--630 hp
193--231 hp
Known Issues
2
1
Total Risk Cost
€4,000--€15,000
€500--€2,000

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."

M104

"W124/R129/W140 inline-6. One of Mercedes' most reliable engines. Bulletproof bottom end. Wiring harness biodegrades (uses soy-based insulation). Head gasket solid. 400k+ km possible."

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

M104 1

▲ HIGH
Wiring harness biodegradation €500--€2,000 100,000 km--200,000 km

Models

M279 1

S-Class W222 2014--2020

M104 0

No models listed.

Full M279 Report Full M104 Report