The 2011 Mercedes-Benz SL-Class represents the fifth generation of this luxurious grand touring convertible. It is available in three trims: the SL550, SL63 AMG, and the high-performance SL65 AMG. A seven-speed automatic transmission,the SL550 is equipped with a 5.5-liter V8 engine producing 382 horsepower, while the SL63 AMG offers a 6.2-liter V8 with 518 horsepower and the ultimate SL65 AMG hosts a 6.0-liter V12 producing an outstanding 604 horsepower. The rear-wheel-drive SL-Class delivers a blend of performance and comfort, embodying the Mercedes-Benz philosophy of luxury. Notable technology includes the COMAND interface with satellite navigation on a 6.5-inch display, Harman Kardon surround-sound, Active Body Control (ABC) suspension, bi-xenon headlamps, automatic dual-zone climate control, and safety features such as PreSafe predictive occupant-protection system and Mercedes' TeleAid emergency communication system.