Although extremely popular today, crossovers are often just overweight hatchbacks or wagons with limited off-road capabilities. However, things were diff.
At the time of its release, the M120 was the most high-tech powerplant ever produced by the German manufacturer. It was conceived for a luxury sedan, but after receiving the high-performance treatment from AMG, it became the heart of legendary supercars cars like the Mercedes-Benz CLK GTR or the Pagani Zonda.