The new 2015 Mercedes-AMG S63 AMG 4MATIC Coupe with the 577 horsepower AMG 5.5-liter V8 biturbo engine mated to the AMG SPEEDSHIFT MCT 7-speed sport transmission has a 0 to 60 mph estimated time of 3.9 seconds taking it to a top speed of 186 mph. The lightweight construction which includes the entire aluminum outer skin and the front end has reduced the vehicle weight by up to 140 pounds. There are three modes to choose from: "C" (Controlled Efficiency), "S" (Sport) and "M" (Manual) and the ECO start/stop function is standard. World premiere at the mid-April New York Auto Show and market launch this year.