The Mercedes-AMG SL 63 is a standalone model, only available as a roadster. The engine powering this luxury convertible is a handbuilt 5.5-liter twin-turbocharged V8 with 577 hp and 664 lb-ft of torque. A seven-speed automatic gearbox directs power to the rear wheels. The SL is fitted with 19-inch wheels, with 20-inch rear wheels optional. Inside, you’ll find Nappa leather upholstery, a seven-inch COMAND infotainment system hooked up to an 11-speaker Harman Kardon sound system, and lashings of carbon fiber. The seats are both heated and ventilated and offer 12-way adjustability with active bolsters to keep you in your seat during spirited driving, and a massage function for when you want to unwind. Adaptive suspension, dual-zone climate control, and park sensors for the front and the rear add more convenience and comfort as standard, while available options include adaptive cruise control, lane-keep assist, cross-traffic and braking assist, and blind-spot monitoring.