The M152 is a V8 engine produced by Mercedes-Benz from 2012 to 2015.

Design

The M152 is essentially a naturally aspirated variant of the M157 engine but has been revised by AMG.[1] It has the same bore and a stroke of 98 mm × 90.5 mm (3.86 in × 3.56 in) as the M157 but with a higher 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 direct injection, and Cylinder deactivation.[3]

Models

Engine Power Torque Years
M152 DE55 310.5 kW (422 PS; 416 hp)
at 6,800 rpm 		540 N⋅m (398 lb⋅ft)
at 4,500 rpm 		2012–2015

M152 DE55

References

  1. ^ "Mercedes highlights the 5.5-liter V8 in the SLK 55 AMG [video]". Motor1.com. Retrieved 2018-07-29.
  2. ^ "Mercedes-Benz details new variable-displacement V8 for SLK55 AMG". Autoblog. Retrieved 2018-07-29.
  3. ^ "Mercedes-AMG brings cylinder deactivation to 5.5L V8; 30% reduction in fuel consumption". Green Car Congress. Retrieved 2018-07-29.
  4. ^ "2012 Mercedes-Benz SLK55 AMG". Car and Driver. Retrieved 2018-07-29.
Allikas: Https://en.wikipedia.org/wiki/Mercedes-Benz_M152_engine
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