Mercedes-Benz M273.963, Engine
| Engine capacity | 5,461 cm³ |
| Maximum power (range), hp | 388 |
| Maximum torque, N*m (kg*m) at rpm. | 530 (54) / 2800 |
| Fuel used | Gasoline AI-95 |
| Fuel consumption, l/100 km | 15.7 |
| Engine type | V-shaped, 8-cylinder |
| Maximum power, hp (kW) at rpm | 388 (285) / 6000 |
| Compression Ratio (Range) | 10.7 |
| Cylinder diameter (range), mm | 98 |
| Piston stroke (range), mm | 90.5 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |