The OM613 from Mercedes-Benz is a 6-cylinder common rail direct injection diesel engine. It is the successor to the OM606 and was replaced by the OM648 engine in 2003.
The engine has 4 valves per cylinder, dual camshafts, an oxidation catalytic converter and outlet gas recirculation. Models with this engine are marked as “320 CDI” and develop 197 hp. This diesel is renowned for its incredible endurance. Despite the fact that the greater the number of components, the more likely it is to break, serious malfunctions with this engine do not occur very often. The cylinder-piston group has high strength. A turbine and a dual-mass flywheel can usually withstand several hundred thousand kilometers.
Specifications
| Engine’s type | diesel |
| Power, hp / kW | 197 / 145 at 4200 rpm |
| Displacement, cc | 3226 |
| Number of cylinders | 6 |
| Number of valves | 24 |
| Torque output, Nm | 470 |
| Compression | 18:1 |
| Cylinder bore, mm | 88 |
| Piston stroke, mm | 88,4 |
| Crankshaft bearings | 7 |
| Configuration | inline |
| Fuel type | diesel fuel |
| Combustible mixture supply | direct injection |
| Turbine | turbo / charge air cooler |
| Cylinder head | DOHC |
| Timing mechanism | chain |
| Cooling | water |
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