Mercedes-Benz OM654 engine

The Mercedes-Benz OM 654 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2016.

Mercedes-Benz OM 654
Overview
ManufacturerDaimler
Production2016-present
Layout
ConfigurationInline 4
Displacement2.0 L (1,950 cc)
Cylinder bore82 mm (3.23 in)
Piston stroke92.3 mm (3.63 in)[1]
Block materialaluminium
Head materialaluminium
ValvetrainDOHC 4 valves x cyl.
Compression ratio15.5:1
Combustion
SuperchargerBorgWarner's eBooster® electrically driven compressor
Turbochargersingle turbo
Fuel system4th-generation common rail Direct injection
Fuel typeEN 590
Cooling systemWater cooled
Output
Power output143 kW (194 PS; 192 hp) at 3,800 rpm (220d)[2]
180 kW (245 PS; 241 hp) at 4,200 rpm (300d)
Torque output400 N⋅m (295 lbf⋅ft) at 1,600-2,400 rpm (220d)
500 N⋅m (369 lbf⋅ft) at 1,600-2,400 rpm (300d)
Dimensions
Dry weight168.4 kg (371 lb)
Chronology
PredecessorOM651, OM626

OM 654

The engine is a 2.0 litres (1,950 cc) turbo-diesel cast aluminum block in line four-cylinder with balancing shafts.[3] It has a single turbo and cylinder walls are lined with slippery Nanoslide, an iron-carbon coating that cuts friction. In the 220-configuration it produces 143 kW (194 PS; 192 hp) at 3,800 rpm with peak torque of 400 N⋅m (295 lbf⋅ft) at 1,600-2,400 rpm. The engine weight is 168.4 kg (371 lb) (a 17% improvement over the 202.8 kg (447 lb) of the previous 2.1 litres (2,143 cc) OM651).[4][5] Also, the engine consumes 13% less fuel than its predecessor. It is planned that it will feature across the entire Mercedes-Benz range of cars and vans.

OM 654q

It is a version of OM 654 placed transversely (quer). This makes it possible to mount this engine in smaller models of cars. [6][7]

References

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