Engine Mercedes OM613 under the hood

Engine Mercedes OM613

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.


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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