OM612
Mercedes-Benz · OM612 2.7 CDI I5
1999–2005
"W210/W211 E270 CDI. 5-cylinder diesel. Smooth, torquey. Injector seal 'black death' concern. Turbo resonator failure. EGR issues. Good motorway cruiser when maintained."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 1
Injector seal leak (Black Death)
▸Black carbon tar around injectors
Same issue as OM611. 5 injectors = more potential leak points.
'Μαύρος θάνατος' — 5κύλινδρο = 5 σημεία. €300-800.
Models with OM612 1
Related Guides
Other Mercedes-Benz Engines
Tuning Potential
220hp Stage 1
Frequently Asked Questions
Is the Mercedes-Benz OM612 reliable?
The Mercedes-Benz OM612 scores 70/100 with a verdict of ACCEPTABLE. It has 1 documented issues with total repair costs between €300 and €800.
What are the common problems with the OM612?
The most common issues are:
- Injector seal leak (Black Death) — high, repair cost €300–€800, 80,000 km–150,000 km
What cars use the Mercedes-Benz OM612?
The OM612 is found in:
- E-Class (2002–2005)
How much does it cost to repair the OM612?
Total potential repair costs for all 1 known issues range from €300 to €800. The most expensive issue is typically .
What years was the OM612 produced?
The Mercedes-Benz OM612 was produced from 1999 to 2005. It is a 2685cc I5 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.