mercedes-benz om639

The OM639 is a turbocharged inline-three diesel engine produced by Mercedes-Benz, in collaboration with Mitsubishi Motors.
The OM639 is based on the four-cylinder OM640 engine and features a dual mass flywheel, exhaust gas recirculation, and Euro 4 emission standard compliance. It is transversely mounted behind the front axle and inclined 60 degrees due to the sandwich floor design used in the Smart and Mitsubishi models, so the engine slides underneath the floorpan instead of into the cabin in the event of a head-on collision to improve safety....