What does it take to craft an unstoppable engine, such as the M178? Take a look as Ramsteiner and Schmid share with you the rigorous testing that goes into every AMG engine in this behind the scenes video.

[Fuel consumption combined: 9.6-9.3 l/100km | CO2 emission combined: 224-216 g/km | http://amg4.me/Efficiency-Statement]