| Mercedes-Benz M22 | |
| Manufacturer: | Mercedes-Benz |
| Production: | 1933-1934 |
| Configuration: | Straight-eight |
| Bore: | NaNmm |
| Stroke: | 100mm |
| Displacement: | NaNL |
| Valvetrain: | 16-valve, DOHC, two-valves per cylinder |
| Power: | NaNhp |
| Torque: | NaNlb.ft |
| Supercharger: | Naturally aspirated (380) Roots-type supercharger (380 K) |
| Fuelsystem: | Carburetor |
| Fueltype: | Gasoline |
| Compression: | 5.54:1-6.0:1[1] |
| Oilsystem: | Dry sump |
| Predecessor: | Mercedes-Benz M19 engine |
| Successor: | Mercedes-Benz M24 engine |
The Mercedes-Benz M22 engine is a naturally-aspirated and supercharged, 3.8-liter and 4.0-liter, straight-8 engine, designed, developed and produced by Mercedes-Benz; between 1933 and 1934.[2] [1]