mercedes-benz m 273.963

The OM603 engine is a straight-6 Diesel automobile engine from Mercedes-Benz used from 1984 through 1999. The 603 saw limited use in the Bandwagen BV206, W124, W126 and W140 model vehicles.
It is closely related to the 4 cylinder OM601 and the 5 cylinder OM602 engine families of the same era.
The 603. 96 engine has a capacity of 2,996 cc and was a development of the reliable 5 cylinder OM617 engine. It produced 143 hp at 4600 rpm and 195 ft. lb at 2400 rpm with a compression ratio of 22. 0:1. Versions 603. 96x and 603. 97x are turbocharged. Only turbocharged models of the 603 series were available to the U. S. market. The single camshaft and injection pump are driven by duplex chain from the crankshaft. A separate single row chain drives the oil pump. The camshaft operated the valves via hydraulic bucket tappets; valve clearance adjustment is automatic....