M276 vs OM606
Side-by-side reliability comparison
Higher reliability score
OM606
BEST
96/100
+18 points over M276
0
/ 100
BUY
M276
Mercedes-Benz
0
/ 100
BEST
OM606
Mercedes-Benz
Specifications
M276
OM606
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
BUY
BEST
Reliability
78
96
Years
2010--2019
1993--2001
Displacement
3498 cc
2996 cc
Layout
V6
I6
Type
Petrol Turbo
Diesel
Power
272--333 hp
134--174 hp
Known Issues
3
2
Total Risk Cost
€1,000--€2,400
€280--€700
Character
M276
"Refined M272 successor. Direct injection. 200k+ km with care."
OM606
"Legendary. 500k+ miles documented. Tunable to 500hp. One of most reliable engines ever."
Issues Comparison
M276 3
● MODERATE
Timing chain tensioner / camshaft adjuster
○ MINOR
Spark plugs + ignition coils
○ MINOR
Valve cover / cam cover oil leaks
OM606 2
○ MINOR
Glow plug failure (only meaningful issue)
○ MINOR
Injection pump seal wear (age-related)