The 2011 Mercedes-Benz CLS-Class consists of two models: the CLS550 and CLS63 AMG.
Standard equipment on the base CLS550 includes 18-inch cast-aluminum wheels with high-performance tires, a sunroof, an auto-dimming driver-side mirror, automatic wipers, an adaptive air suspension, front and rear foglamps, cruise control, four-zone automatic climate control, a power tilt-and-telescoping steering wheel with shift paddles, 10-way power front seats with driver memory functions, leather upholstery, wood trim, Bluetooth, the COMAND electronics interface, a hard-drive-based navigation system with real-time traffic and a 13-speaker Harman Kardon stereo with a six-CD/DVD changer, satellite radio and HD radio.
The CLS63 AMG adds a more powerful V8, an AMG-tuned sport suspension, more powerful brakes, 19-inch wheels, more aggressive exterior styling, upgraded leather and faux suede upholstery, sport front seats and an iPod interface. Options exclusive to the CLS63 AMG include the AMG Performance package, which adds lightweight 19-inch forged-aluminum wheels, a limited-slip differential, track-calibrated suspension settings, a higher top speed (186 mph) and a sport steering wheel. The AMG Wheel and Sound package includes 19-inch forged light-alloy wheels and a 12-speaker, 705-watt Bang & Olufsen surround-sound audio system. Additional CLS63 options include interior trim that features carbon-fiber and faux suede.
The Premium 1 package is available on both models and includes adaptive bi-xenon headlamps with washers, a power trunk lid, keyless ignition/entry, a power rear sunshade, heated and ventilated front seats and an iPod interface (CLS550). Stand-alone options include 19-inch wheels, illuminated door sills, adaptive cruise control, and front and rear parking sensors.