Mercedes-Benz M 256 E30, Engine
| Engine capacity | 2,999 cm³ |
| Maximum power (range), hp | 449 |
| Maximum torque, N*m (kg*m) at rpm. | 560 (57) / 5000 |
| Fuel used | Gasoline AI-95 |
| Fuel consumption, l/100 km | 10.9 |
| Engine type | In-line, 6-cylinder |
| Maximum power, hp (kW) at rpm | 449 (330) / 6100 |
| Compression Ratio (Range) | 10.5 |
| Cylinder diameter (range), mm | 83 |
| Piston stroke (range), mm | 92.4 |
| Supercharger | Turbine |
| CO₂ emissions (range), g/km | 248 |
| Valve drive | DOHC |
| Number of valves per cylinder (range) | 4 |
| Start-stop system |