Mercedes-Benz M 166 E 21, Engine
| Engine capacity | 2,084 cm³ |
| Maximum power (range), hp | 140 |
| Maximum torque, N*m (kg*m) at rpm. | 205 (21) / 4000 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 7.9 - 8.2 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | Injector |
| Maximum power, hp (kW) at rpm | 140 (103) / 5500 |
| Compression Ratio (Range) | 11 |
| Cylinder diameter (range), mm | 84 |
| Piston stroke (range), mm | 94 |
| CO₂ emissions (range), g/km | 184 - 197 |
| Number of valves per cylinder (range) | 2 |