M276 vs M104

Side-by-side reliability comparison

Higher reliability score
M104 BEST 85/100
+7 points over M276
0 / 100
BUY M276 Mercedes-Benz
0 / 100
BEST M104 Mercedes-Benz

Specifications

M276
M104
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
BUY
BEST
Reliability
78
85
Years
2010--2019
1990--1997
Displacement
3498 cc
3199 cc
Layout
V6
I6
Type
Petrol Turbo
Petrol Na
Power
272--333 hp
193--231 hp
Known Issues
3
1
Total Risk Cost
€1,000--€2,400
€500--€2,000

Character

M276

"Refined M272 successor. Direct injection. 200k+ km with care."

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

M276 3

● MODERATE
Timing chain tensioner / camshaft adjuster €500--€1,200 100,000 km--170,000 km
○ MINOR
Spark plugs + ignition coils €300--€700 80,000 km--150,000 km
○ MINOR
Valve cover / cam cover oil leaks €200--€500 100,000 km--200,000 km

M104 1

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

Models

M276 22

G-Class W463 2nd 2018--2024 SL R232 2022--present SL R232 2022--present S-Class W222 2017--2020 S-Class W223 2020--present SLK R172 2016--2020 GLE W166 2016--2019 GLC X253 2016--2019 GLC X253 2019--2022 C-Class W205 2018--2021 S-Class W222 2017--2020 C-Class W205 2016--2018 S-Class W222 2013--2017 SL R231 2012--2020 E-Class W212 2012--2016 GLK X204 2012--2015 E-Class W212 2013--2016 SLK R172 2011--2016 GLE W166 2015--2019 C-Class W204 2011--2014 E-Class W213 2017--2020 E-Class W212 2013--2016

M104 0

No models listed.

Full M276 Report Full M104 Report