Mercedes-Benz OM651 engine
| Mercedes-Benz OM651 | |
|---|---|
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 2008–present |
| Layout | |
| Configuration | Inline 4 |
| Displacement | 1796 cc (1.8 L) 2143 cc (2.2 L) |
| Cylinder bore | 83 mm (3.27 in) |
| Piston stroke | 83 mm (3.27 in) 99 mm (3.9 in) |
| Cylinder block material | Cast iron |
| Cylinder head material | Aluminium alloy |
| Valvetrain | DOHC, chain-driven and gears |
| Compression ratio | 16.2:1 |
| Combustion | |
| Turbocharger | Single turbo / bi-turbo |
| Fuel system | Common rail |
| Fuel type | Diesel |
| Cooling system | Water cooled |
| Output | |
| Power output | 80–150 kW (107–201 hp) |
| Chronology | |
| Predecessor | Mercedes-Benz OM646 engine |
| Successor | Mercedes-Benz OM654 engine |
The OM651 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2008.