Mercedes-Benz OM651 engine
The OM651 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2008.
| Mercedes-Benz OM651 | |
|---|---|
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 2008–present |
| Layout | |
| Configuration | Inline 4 |
| Displacement | 1.8 L (1,796 cc) 2.1 L (2,143 cc) |
| 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 |
| Compression ratio | 16.2:1 |
| Combustion | |
| Turbocharger | Single turbo / twin-turbo |
| Fuel system | Common rail |
| Fuel type | Diesel |
| Cooling system | Water cooled |
| Output | |
| Power output | 100–150 kW (134–201 hp) |
| Chronology | |
| Predecessor | Mercedes-Benz OM646 engine |
| Successor | Mercedes-Benz OM654 engine |
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