M271 vs OM648

Side-by-side reliability comparison

Higher reliability score
OM648 BEST 90/100
+55 points over M271
0 / 100
AVOID M271 Mercedes-Benz
0 / 100
BEST OM648 Mercedes-Benz

Specifications

M271
OM648
Brand
Mercedes-Benz
Mercedes-Benz
Verdict
AVOID
BEST
Reliability
35
90
Years
2002--2014
2002--2006
Displacement
1796 cc
3222 cc
Layout
I4
I6
Type
Petrol Supercharged
Diesel
Power
184--204 hp
204 hp
Known Issues
3
2
Total Risk Cost
€2,300--€5,500
€450--€1,100

Character

M271

"Single-row timing chain stretches causing catastrophic failure. Avoid."

OM648

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

Issues Comparison

M271 3

◆ CRITICAL
Single-row timing chain stretch — catastrophic €1,500--€3,500 60,000 km--150,000 km
▲ HIGH
Supercharger clutch / belt failure €600--€1,500 80,000 km--150,000 km
● MODERATE
Valve cover gasket oil leak €200--€500 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

M271 15

C-Class W202 1993--2000 E-Class W210 1995--2002 C-Class W202 1994--2000 C-Class W202 1996--2000 C-Class W204 2009--2014 E-Class W212 2009--2013 C-Class W204 2007--2014 C-Class W204 2007--2014 SLK R172 2011--2020 E-Class W211 2002--2009 SLK R171 2004--2011 C-Class W203 2002--2007 C-Class W203 2002--2007 CLK W209 2002--2009 CLK 200 Kompressor C209 2002--2009 Coupe

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 M271 Report Full OM648 Report