"The thundering M156 6.2-liter naturally aspirated V8 gets 510 horsepower and 457 pound-feet of torque here, in a car that weighs 44 pounds less than the coupe on which it is based."
"The price difference for the Black Series in Europe against the standard C63 coupe is a 35 percent hike. That should theoretically make the price for this in the U.S. somewhere around $90,000. Hover indeed. Optional packages include a track package and aerodynamic package, prices for which are still being determined."