Mercedes-Benz M 254, Engine
| Engine capacity | 1,999 cm³ |
| Maximum power (range), hp | 204 - 258 |
| Maximum torque, N*m (kg*m) at rpm. | 320 (33) / 4000 |
| Fuel used | Gasoline AI-98 |
| Fuel consumption, l/100 km | 0.5 - 8.2 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | CVVT |
| Maximum power, hp (kW) at rpm | 204 (150) / 6100 |
| Compression Ratio (Range) | 10.5 |
| Supercharger | Turbine |
| CO₂ emissions (range), g/km | 11 - 186 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |