M266
Mercedes-Benz · M266 1.7/2.0 (W245 B-Class)
2005–2011
"W245 B-Class. Inclined engine (at 57°). Unusual design. Balance shaft chain can break. Oil leaks. CVT gearbox issues (not engine). Turbo version (B200T) more troublesome."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 1
Balance shaft chain failure
▸Rattle, vibration
Balance shaft chain can break — causes vibration and potential engine damage.
Αλυσίδα ισοζυγισμού — €800-2,000.
Models with M266 2
Other Mercedes-Benz Engines
Tuning Potential
Turbo version: 200hp Stage 1
Frequently Asked Questions
Is the Mercedes-Benz M266 reliable?
The Mercedes-Benz M266 scores 62/100 with a verdict of CAUTION. It has 1 documented issues with total repair costs between €800 and €2,000.
What are the common problems with the M266?
The most common issues are:
- Balance shaft chain failure — high, repair cost €800–€2,000, 80,000 km–150,000 km
How much does it cost to repair the M266?
Total potential repair costs for all 1 known issues range from €800 to €2,000. The most expensive issue is typically .
What years was the M266 produced?
The Mercedes-Benz M266 was produced from 2005 to 2011. It is a 2034cc I4 petrol na engine.
Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.