| Mercedes-Benz M266 engine | |
| Manufacturer: | Mercedes-Benz |
| Configuration: | inline-four engine |
| Fueltype: | Gasoline |
| Coolingsystem: | water-cooled |
| Predecessor: | Mercedes-Benz M166 engine |
| Successor: | Mercedes-Benz M270 engine |
The M266 is a Mercedes-Benz inline-4 engine manufactured in Stuttgart and is used solely in vehicles like the A-class and B-class. The most powerful engine in the family is the 2.0 turbo, found in the Mercedes-Benz B200 Turbo.
| Engine | 1.5 | 1.7 | 2.0 | 2.0 turbo | |
|---|---|---|---|---|---|
| Engine code | M266.920 | M266.940 | M266.960 | M266.980 | |
| Capacity | 1498 cc | 1699 cc | 2034 cc | 2034 cc | |
| Valvetrain | 8-valve SOHC | 8-valve SOHC | 8-valve SOHC | 8-valve SOHC | |
| Head | Aluminium alloy | Aluminium alloy | Aluminium alloy | Aluminium alloy | |
| Block | Aluminium alloy | Aluminium alloy | Aluminium alloy | Aluminium alloy | |
| Bore × Stroke | 83 x 69.2 | 83 x 78.5 | 83 x 94 | 83 x 94 | |
| Power | 70 kW/95 ps | 85 kW/116 ps | 100 kW/136 ps | 142 kW/193 ps @ 5,000 rpm | |
| Torque | 280 Nm @ 1800-4850 rpm | ||||
| Induction | Naturally aspirated | Naturally aspirated | Naturally aspirated | Turbocharged |