Mercedes-Benz OM656 engine
| Mercedes-Benz OM656 | |
|---|---|
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 2017–present |
| Layout | |
| Configuration | Straight-six engine |
| Displacement | 2.9 L (2,927.8 cc), 3.0 L (2,989.8 cc) |
| Cylinder bore | 82 mm (3.23 in) |
| Piston stroke | 92.4 mm (3.64 in) |
| Cylinder block material | Aluminium alloy |
| Cylinder head material | Aluminium alloy |
| Valvetrain | DOHC 4 valves x cyl. with VVT |
| Compression ratio | 15.5:1 |
| Combustion | |
| Supercharger | BorgWarner eBooster electrically driven compressor |
| Turbocharger | BorgWarner R2S® Biturbo (only one twin-scroll) |
| Fuel system | Common rail direct injection |
| Fuel type | Diesel |
| Cooling system | Water cooled |
| Output | |
| Power output | 210–270 kW (282–362 hp) |
| Torque output | 600–750 N⋅m (443–553 lb⋅ft) |
| Chronology | |
| Predecessor | |
The OM656 is a turbocharged diesel engine produced by Mercedes-Benz since 2017. It was first introduced in the facelift W222 S-Class.