Mercedes-Benz OM654 engine
| Mercedes-Benz OM 654 | |
|---|---|
 | |
| Overview | |
| Manufacturer | Daimler |
| Production | 2016-present |
| Layout | |
| Configuration | Inline 4 |
| Displacement | 1.6 L (1,597 cc) (DE16) 2.0 L (1,950 cc) (DE20) 2.0 L (1,993 cc) (654 M) |
| Cylinder bore | 78 mm (3.07 in) 82 mm (3.23 in) |
| Piston stroke | 83.6 mm (3.29 in) 92.3 mm (3.63 in)[1] 94.3 mm (3.71 in) |
| Cylinder block material | aluminium |
| Cylinder head material | aluminium |
| Valvetrain | DOHC 4 valves x cyl. |
| Compression ratio | 15.5:1 |
| Combustion | |
| Supercharger | BorgWarner's eBooster® electrically driven compressor Mitsubishi Crankshaft ISG system 48V Electric Motor (OM654 M) |
| Turbocharger | Twin-Turbo (earliest top versions) or Single Twin-scroll turbo (latest top versions) |
| Fuel system | 4th-generation common rail Direct injection |
| Fuel type | EN 590 |
| Cooling system | Water cooled |
| Output | |
| Power output | 90 kW (120 PS; 120 hp) at 3,200-4,600 rpm (C 180d) 110 kW (150 PS; 150 hp) at 3,200-4,800 rpm (C 200d) 120 kW (160 PS; 160 hp) at 3,800 rpm (200d) 143 kW (194 PS; 192 hp) at 3,800 rpm (220d)[citation needed] 195 kW (265 PS; 261 hp) at 4,200 rpm (300d) 198 kW (269 PS; 266 hp) at 4,200 rpm (300d) |
| Torque output | 300 N⋅m (221 lbf⋅ft) at 1,400-2,800 rpm (C 180d) 360 N⋅m (266 lbf⋅ft) at 1,600-2,600 rpm (200d) 400 N⋅m (295 lbf⋅ft) at 1,600-2,400 rpm (220d) 550 N⋅m (406 lbf⋅ft) at 1,800-2,200 rpm (300d) |
| Dimensions | |
| Dry weight | 168.4 kg (371 lb) |
| Chronology | |
| Predecessor | OM651, OM626 |
The Mercedes-Benz OM 654 is a family of inline-four cylinder automobile diesel engines introduced by Mercedes-Benz in 2016. This is one of the most powerful 2-liter inline-4 cylinder diesel engines with two twin-scroll turbocharger.[2]
OM 654
[edit]The engine is a 2.0 litres (1,950 cc) turbo-diesel cast aluminum block, inline four-cylinder with balancing shafts.[3] It has a single turbo and its cylinder walls are lined with slippery Nanoslide, an iron-carbon coating that cuts friction. In the 200-configuration it produces 110 kW (150 PS; 148 hp) at 4,500 rpm with peak torque of 320 N⋅m (236 lbf⋅ft) at 1,400-3,200 rpm. 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. Both the 200d and 220d are mated to a 9 speed dual clutch transmission developed by Mercedes Benz.
Applications
[edit]OM 654q
[edit]A transverse version of OM654 that can be mounted in smaller cars and front-wheel-drive vehicles.[6][7]
OM 654 M
[edit]With the OM 654 M, Mercedes claims to deliver the worldwide first diesel engine with integrated starter generator. The revised two-liter turbodiesel four-cylinder was given a new crankshaft for electrification, increasing the displacement by 43 to 1,993 cubic centimeters. At the same time, the injection pressure will be increased from 2,500 to 2,700 bar. The maximum power is now 265 hp, the maximum torque 550 Newton meters. On the exhaust side, a NOX storage catalytic converter, particle filter and two SCR catalytic converters have been retrofitted.
References
[edit]- ^ "Mercedes-Benz introducing new diesel family in E 220 d this spring; new OM 654 with 13% lower fuel consumption; diesel "indispensable"". greencarcongress.com. greencarcongress.com. 15 February 2016. Archived from the original on 2016-02-16. Retrieved 2016-04-20.
- ^ "OM654 M mit bis zu 265 PS und M254 mit bis zu 272 PS". JESMB (in German). 2020-05-24. Retrieved 2022-06-13.
- ^ "Mercedes-Benz new OM654 2.0 litre turbodiesel engine detailed – 14 hp up, 13% more efficient, 17% lighter". paultan.org. paultan.org. 17 February 2016. Retrieved 2016-04-21.
- ^ Romain Nicolas (2016-02-17). "The new Mercedes-Benz four-cylinder diesel engine OM 654". Car-Engineer. Archived from the original on 2016-03-15. Retrieved 2016-04-20.
- ^ "Mercedes-Benz unveils the new OM 654 2.0 liter diesel engine". Dieselnet. 18 February 2016. Archived from the original on 2016-03-15. Retrieved 20 April 2016.
- ^ Powertrain: Clean debut: New powerful two-litre diesel engine is the first engine to fulfil the Euro 6d emission standards
- ^ Mercedes-Benz OM 654q 4-cylinder diesel complies with Stage 2 RDE, certified to Euro 6d