Speed is defined by the rapidity of movement. When I looked it up in the dictionary, I wasn't surprised to find a photo of Mercedes' new ML63 AMG. With 550 hp and 560 lb-ft of torque from the bi-turbo ...
Super SUVs are nothing new to Mercedes-Benz -- it created the first AMG-powered M-Class in 2000 with the ML55 AMG. That car was powered by a 342-hp 5.5-liter V-8 and ran from 0 to 60 mph in just 6.7 ...