Mercedes-Benz M152 engine
| Mercedes-Benz M152 | |
|---|---|
 | |
| Overview | |
| Manufacturer | Mercedes-Benz |
| Production | 2012–2015 |
| Layout | |
| Configuration | 90° V8 |
| Displacement | 5.5 L (5,461 cc) |
| Cylinder bore | 98.0 mm |
| Piston stroke | 90.5 mm |
| Cylinder block alloy | Aluminium alloy |
| Cylinder head alloy | Aluminium alloy |
| Valvetrain | DOHC |
| Compression ratio | 12.6:1 |
| Combustion | |
| Turbocharger | Twin-turbo |
| Fuel system | Direct injection |
| Fuel type | Petrol |
| Chronology | |
| Predecessor | Mercedes-Benz M113 engine |
The M152 is a twin-turbocharged V8 engine produced by Mercedes-Benz from 2012 to 2015.
Design
The M152 is based on the naturally aspirated M157 engine and has been revised by AMG.[1] It has a bore of 98.0 mm and a stroke of 90.5 mm, with a 12.6:1 compression ratio.[2] Compared to its predecessor, the M152 features new cylinder heads, intake manifold, and lubrication system. It also now has twin turbochargers, direct injection, and a start stop system.[3]
Models
| Engine | Power | Torque | Years |
|---|---|---|---|
| M152 DE55 | 310 kW (416 hp) @ 6,800 rpm |
540 N⋅m (398 lb⋅ft) @ 4,500 rpm |
2012–2015 |
M152 DE55
- 2012–2015 R172 SLK55 AMG[4]
References
- ↑ "Mercedes highlights the 5.5-liter V8 in the SLK 55 AMG [video]". Motor1.com. Retrieved 2018-07-29.
- ↑ "Mercedes-Benz details new variable-displacement V8 for SLK55 AMG". Autoblog. Retrieved 2018-07-29.
- ↑ "Mercedes-AMG brings cylinder deactivation to 5.5L V8; 30% reduction in fuel consumption". Green Car Congress. Retrieved 2018-07-29.
- ↑ "2012 Mercedes-Benz SLK55 AMG". Car and Driver. Retrieved 2018-07-29.
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