Mercedes-Benz OM660 engine
| Mercedes-Benz OM660 | |
|---|---|
 | |
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 1998 – 2015 |
| Layout | |
| Configuration | Straight-three engine |
| Displacement | 0.8 L (799 cc) |
| Cylinder bore | 65.5 mm |
| Piston stroke | 79.0 mm |
| Cylinder block alloy | Aluminium alloy |
| Cylinder head alloy | Aluminium alloy |
| Valvetrain | SOHC |
| Compression ratio | 18.5:1 |
| Combustion | |
| Turbocharger | Single-turbo |
| Fuel system | Common rail |
| Fuel type | Diesel |
The OM660 is a turbocharged straight-three engine produced by Mercedes-Benz for use in Smart vehicles, from 1999 to 2014.
Design
The OM660 features a single-overhead camshaft with two valves per cylinder and an aluminium alloy cylinder block and head. It is turbocharged and features an exhaust gas recirculation system. The OM660 was updated in 2007 receiving increased performance due to a new common rail fuel system with increased boost pressure,[1] and again in 2011 featuring further performance and efficiency improvements.[2]
Models
| Engine | Power | Torque | Years |
|---|---|---|---|
| OM660 | 30 kW (40 hp) @ 4,200 rpm |
100 N⋅m (74 lb⋅ft) @ 1,800 rpm |
1999–2006 |
| 33 kW (44 hp) @ 3,800 rpm |
110 N⋅m (81 lb⋅ft) @ 2,000–2,500 rpm |
2007–2010 | |
| 40 kW (54 hp) @ 3,800 rpm |
130 N⋅m (96 lb⋅ft) @ 2,100 rpm |
2011–2014 |
OM660 (30 kW version)
- 1999–2004 W450 Smart Fortwo
OM660 (33 kW version)
- 2004–2007 W450 Smart Fortwo
OM660 (40 kW version)
- 2007–2015 W451 Smart Fortwo
References
- ↑ "Smart Fortwo Passion review | Autocar". www.autocar.co.uk. Retrieved 2018-07-06.
- ↑ "Smart ForTwo 54bhp". Auto Express. Retrieved 2018-07-06.
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