M270 vs OM606

Side-by-side reliability comparison

Higher reliability score
OM606 BEST 96/100
+26 points over M270
0 / 100
ACCEPTABLE M270 Mercedes-Benz
0 / 100
BEST OM606 Mercedes-Benz

Specifications

M270
OM606
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
ACCEPTABLE
BEST
Reliability
70
96
Years
2012--2018
1993--2001
Displacement
1595 cc
2996 cc
Layout
I4
I6
Type
Petrol Turbo
Diesel
Power
122--218 hp
134--174 hp
Known Issues
3
2
Total Risk Cost
€1,400--€3,100
€280--€700

Character

M270

"Transverse M274. Solid compact MB. Chain lifespan ~130k km."

OM606

"Legendary. 500k+ miles documented. Tunable to 500hp. One of most reliable engines ever."

Issues Comparison

M270 3

● MODERATE
Camshaft actuator / solenoid noise €300--€700 80,000 km--150,000 km
● MODERATE
Timing chain stretch at ~130k km €800--€1,800 100,000 km--160,000 km
○ MINOR
Intake carbon buildup (DI) €300--€600 80,000 km--150,000 km

OM606 2

○ MINOR
Glow plug failure (only meaningful issue) €80--€200 80,000 km--∞
○ MINOR
Injection pump seal wear (age-related) €200--€500 200,000 km--∞

Models

M270 28

GLC X254 2022--present C-Class W206 2021--present C-Class W206 2021--present CLA C118 2019--present A-Class W177 2019--2025 A-Class W177 2018--2025 CLA C118 2019--present GLA H247 2020--present GLA H247 2020--present B-Class W246 2011--2018 CLA C117 2013--2019 CLA C117 2013--2019 GLA X156 2014--2020 A-Class W176 2012--2018 GLA X156 2014--2020 A-Class W176 2016--2018 B-Class W246 2011--2018 A-Class W176 2012--2018 A-Class W176 2012--2018 CLA C117 2013--2019 GLA X156 2014--2020 GLA H247 2020--present B-Class W247 2019--2023 CLA C118 2019--present A-Class W177 2018--2025 A-Class W177 2018--2025 CLA C118 2019--present B-Class W247 2019--2023

OM606 2

300D W124 1993--1997 Sedan E 300D W210 1995--2003 Sedan
Full M270 Report Full OM606 Report