| Mercedes-Benz OM613 | |
| Manufacturer: | Mercedes-Benz |
| Production: | 1999–2003 |
| Predecessor: | Mercedes-Benz OM606 engine |
| Successor: | Mercedes-Benz OM648 engine |
| Configuration: | Straight-six engine |
| Displacement: | 3222cc |
| Bore: | 88mm |
| Stroke: | 88.3mm |
| Block: | Cast iron |
| Valvetrain: | DOHC |
| Compression: | 18.0:1 |
| Turbocharger: | Single-turbo |
| Fuelsystem: | Common rail direct injection |
| Fueltype: | Diesel |
| Coolingsystem: | Water cooled |
| Power: | 1450NaN0 |
| Specpower: | NaN1NaN1 per litre |
| Torque: | 4700NaN0 |
The OM613 is a turbocharged straight 6 diesel engine produced by Mercedes-Benz. It is the successor to the OM606 and was replaced by the OM648 engine in 2003.
The OM613 was developed alongside the four-cylinder OM611 and five-cylinder OM612 engines. The three engines have the same basic design and share components such as the pistons, fuel injectors, and glow plugs.[1] The OM613 engine features 4 valves per cylinder, dual overhead camshafts, oxidation catalytic converter, and exhaust gas recirculation.[2] Models with the engine are branded as '320 CDI'.