M264
Mercedes-Benz · 2.0L Turbo 48V I4
2017–present
"M274 evolution with 48V mild hybrid. More refined, fewer known issues."
Mileage Risk Timeline
When problems typically appear — enter your mileage to see your risk zone
Known Issues 2
Thermostat failure (inherited from M274)
▸Coolant temp abnormal, poor heater performance
Same thermostat design concern as M274. Well-documented fix.
Same €250-500 repair as M274. Any Greek Mercedes workshop handles this.
EQ Boost 48V mild hybrid system complexity
▸Mild hybrid warning, starter-generator faults, 48V battery alerts
Additional complexity vs M274. 48V ISG starter-generator can fail. Battery pack lifespan uncertain at high mileage.
Limited long-term Greek market data yet. W206 C-Class owners: budget for 48V system service.
Models with M264 12
Other Mercedes-Benz Engines
Tuning Potential
Limited data
Frequently Asked Questions
Is the Mercedes-Benz M264 reliable?
The Mercedes-Benz M264 scores 78/100 with a verdict of BUY. It has 2 documented issues with total repair costs between €750 and €2,500.
What are the common problems with the M264?
The most common issues are:
- Thermostat failure (inherited from M274) — moderate, repair cost €250–€500, 60,000 km–130,000 km
- EQ Boost 48V mild hybrid system complexity — moderate, repair cost €500–€2,000, 80,000 km–150,000 km
What cars use the Mercedes-Benz M264?
How much does it cost to repair the M264?
Total potential repair costs for all 2 known issues range from €750 to €2,500. The most expensive issue is typically .
What years was the M264 produced?
The Mercedes-Benz M264 was produced from 2017 to present. It is a 1991cc I4 petrol turbo engine.
Verdict and scores are editorial opinions based on aggregated data. Learn about our methodology. Not a substitute for professional inspection.