Mercedes-Benz M 273 E 55, Engine
| Engine capacity | 5,461 cm³ |
| Maximum power (range), hp | 382 - 388 |
| Maximum torque, N*m (kg*m) at rpm. | 530 (54) / 5000 |
| Fuel used | Gasoline AI-91 |
| Fuel consumption, l/100 km | 10.9 - 16.8 |
| Engine type | V-shaped, 8-cylinder |
| Additional engine information | MPFI, HFM |
| Maximum power, hp (kW) at rpm | 382 (281) / 6000 |
| Compression Ratio (Range) | 10.7 |
| Cylinder diameter (range), mm | 98 |
| Piston stroke (range), mm | 90.5 |
| CO₂ emissions (range), g/km | 253 - 322 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 3 - 4 |
| Start-stop system |