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.
Related Guides
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.
Scores are calculated from documented issues, repair costs, and failure patterns across thousands of owner reports and technical sources. Learn about our methodology. Always inspect before you buy.