M270 vs OM648

Side-by-side reliability comparison

Higher reliability score
OM648 BEST 90/100
+20 points over M270
0 / 100
ACCEPTABLE M270 Mercedes-Benz
0 / 100
BEST OM648 Mercedes-Benz

Specifications

M270
OM648
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
ACCEPTABLE
BEST
Reliability
70
90
Years
2012--2018
2002--2006
Displacement
1595 cc
3222 cc
Layout
I4
I6
Type
Petrol Turbo
Diesel
Power
122--218 hp
204 hp
Known Issues
3
2
Total Risk Cost
€1,400--€3,100
€450--€1,100

Character

M270

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

OM648

"Modern OM606 successor. Excellent highway cruiser. Strong torque."

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

OM648 2

● MODERATE
EGR valve fouling (city use) €300--€700 80,000 km--160,000 km
○ MINOR
Glow plugs + injector seals €150--€400 80,000 km--160,000 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

OM648 6

E-Class W210 1999--2002 C-Class W203 2001--2005 E-Class W210 1999--2002 S-Class W220 1999--2002 S-Class W220 2002--2005 E 320 CDI W211 2002--2009 Sedan
Full M270 Report Full OM648 Report