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 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.
Models EnginePowerTorqueYearsM152 DE55 at 6,800 rpm at 4,500 rpm2012–2015
M152 DE55 2012–2015 SLK 55 AMG (R172)
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