Those Germans have always had the best transmissions. The SL63 AMG is certainly no exception with its seven-speed AMG Speedshift MCT transmission. MCT stands for Multi-Clutch Technology and it incorporates a wet clutch system where a series of six clutches allows for a preselection of gears. All told, it's a highly impressive system that's used incredibly well with the 6.2 liter V8. Mercedes-Benz
engineers were more focused on building a driver's car, rather than an all-out performance machine.