OM611
Mercedes-Benz · OM611 2.2 CDI I4
1998–2006
"W203/W210 C/E 200/220 CDI. Common rail diesel. Injector seal leak ('black death') if neglected. Turbo actuator failure. Inlet manifold swirl flaps. Fundamentally strong if maintained."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
Injector seal leak (Black Death)
▸Black tar around injectors, rough idle
Injector copper washers fail — diesel leaks and carbonises around injectors. Creates hard carbon deposits.
'Μαύρος θάνατος' — τσιμουχάκια μπεκ. €300-800. Ελέγξτε οπτικά.
Turbo actuator failure
▸Limp mode, reduced power, boost codes
Electronic turbo actuator common failure on OM611/612/613.
Actuator turbo — €300-800. Κοινό πρόβλημα.
Other Mercedes-Benz Engines
Tuning Potential
200hp Stage 1
Frequently Asked Questions
Is the Mercedes-Benz OM611 reliable?
The Mercedes-Benz OM611 scores 72/100 with a verdict of ACCEPTABLE. It has 2 documented issues with total repair costs between €600 and €1,600.
What are the common problems with the OM611?
The most common issues are:
- Injector seal leak (Black Death) — high, repair cost €300–€800, 80,000 km–150,000 km
- Turbo actuator failure — moderate, repair cost €300–€800, 80,000 km–150,000 km
How much does it cost to repair the OM611?
Total potential repair costs for all 2 known issues range from €600 to €1,600. The most expensive issue is typically .
What years was the OM611 produced?
The Mercedes-Benz OM611 was produced from 1998 to 2006. It is a 2148cc I4 diesel engine.
Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.