Mercedes-Benz M121.920, Engine
| Engine capacity | 1,897 cm³ |
| Maximum power (range), hp | 75 - 80 |
| Maximum torque, N*m (kg*m) at rpm. | 136 (14) / 2800 |
| Fuel used | Petrol |
| Fuel consumption, l/100 km | 8.9 - 11 |
| Engine type | In-line, 4-cylinder |
| Additional engine information | carburetor Solex 32 PAITA |
| Maximum power, hp (kW) at rpm | 75 (55) / 4600 |
| Compression Ratio (Range) | 7.5 - 8.5 |
| Cylinder diameter (range), mm | 85 |
| Piston stroke (range), mm | 83.6 |
| Valve drive | SOHC |
| Number of valves per cylinder (range) | 2 |