Mercedes-Benz M152 engine

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. It has the same bore and a stroke of 98x90.5 mm as the M157 but with a higher 12.6:1 compression ratio. Compared to its predecessor, the M152 features new cylinder heads, intake manifold, and lubrication system. It also now has direct injection, and Cylinder deactivation.

M152 DE55

 * 2012–2015 SLK 55 AMG (R172)