The 2012 Mercedes-Benz S-Class S550 Sedan features a 4.6liter twin-turbo V8 engine that can produce up to 429hp. It has a seven-speed automatic transmission with an option for 4MATIC all-wheel drive. Reviews about the 2012 S-Class S550's performance are mainly good because of the handling systems installed in the car. Some of these are the electronic stability program, direct-steer system, adaptive brakes with anti-lock system, AIRMATIC semi-active suspension, adaptive damping system, multi-link suspension, torque vectoring brake and paddle shifters. Reviews also favored the 2012 Mercedes-Benz S-Class S550 Sedan on account of the lavish comforts you get with it like leather upholstery, 16-way power front seats with lumbar support, heated and active ventilated front seats, power tilt and sliding sunroof, HomeLink garage door opener, noise-reducing infrared-reflecting glass, electronic trunk closer, electronic parking brake, and heated headlamp washer. In terms of entertainment, features inside the 2012 Mercedes-Benz S-Class S550 Sedan include a COMAND system with central controller, Sirius satellite radio and Sirius traffic hard drive navigation system with Zagat survey, 7.2GB-capacity music register, iPod and MP3 media interface and a LOGIC7 sound system with Dolby Digital 5.1, HD radio receiver. There are also optional add-ons for surround sound, and rear seat entertainment.
Mercedes-Benz is well-known for its safety standards. Reviews about the safety and security features installed in the S550 sedan are mostly positive. The 2012 Mercedes-Benz S-Class S550 S include such features as 10-way airbag protection, attention assist, the PRESAFE system, adaptive high beam assist, bi-xenon headlamps with active curve illumination, SmartKey controls, electronic parking brake, Mercedes-Benz mbrace, brake assist, advanced tire pressure monitoring system, anti-theft alarm system and an improved seat belt technology. All these features come in the base trim of the 2012 Mercedes-Benz S-Class S550 that cost $94,500. There are many optional add-ons though that are favorably treated in reviews.