Mercedes-AMG S63 Coupe S By Fostla In standard configuration, the packs a mean punch. It’s powered by a 5.5-liter bi-turbo V-8 engine that spits out 577 horsepower and 664 pound-feet of torque, allowing it to sprint from 0 to 60 mph in 3.9 seconds to go with an electronically limited top speed of 186 mph. […]