Mercedes-Benz M 155 V8 engine
| Mercedes-AMG | |
|---|---|
 | |
| M 155 | |
| Manufacturer: | Mercedes-AMG |
| Production period: | 2003-2010 |
| Style: | V , eight-cylinder |
| displacement: | 5.4 liters (5439 cc) |
| Successor: | Mercedes-Benz M 159 |
The M 155 is a V8 gasoline engine from Mercedes-AMG . The supercharged engine was used from 2003 to 2010 in the Mercedes-Benz SLR McLaren .
The M 155 is geometrically based on the M 113 E 55 ML , but has been redesigned because of its extra power over the output engine. Like this, it has three valves per cylinder . The loader (which, by the way, manages up to 23,000 revolutions per minute) lies between the two cylinder banks of the V-engine. Also a charge air cooling is on board. Despite the enormous power, the weight of the engine is 230 kg.
- Cylinder arrangement / number: V8
- Valves / Cylinders : 3
- Displacement (cm 3 ): 5439
- Bore × stroke: 97 × 92 mm
In the standard variant of the "normal" SLR, the engine produces 460 kW / 626 hp at 6500 rpm. The torque here is 780 Nm and is available from 3250 to 5000 / min.
In the SLR 722 introduced in 2006 , the rated output was increased by 24 hp and the maximum torque by 40 Nm. Even more offers the SLR 722 GT: With a rated output of 680 hp and a maximum torque of 830 Nm, he is currently the peak performance of the M 155 dar.
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