***ONE OWNER*** The CLS400 comes standard with 18-inch wheels, automatic LED headlights and running lights, automatic wipers, a sunroof, forward collision and driver inattention warning systems, dual-zone automatic climate control, heated 10-way power front seats (with four-way lumbar adjustment), driver memory settings, a power tilt-and-telescoping steering wheel, Bluetooth phone and audio connectivity, the COMAND technology interface (with an 8-inch display screen), a Garmin-sourced navigation system, a CD player, HD radio, an auxiliary audio jack, a USB port and a media player interface. The Premium 1 package adds a rearview camera, power-folding side mirrors, keyless ignition and entry, a power-closing trunk lid, ventilated front seats, satellite radio and a 14-speaker Harman Kardon sound system. The Premium 2 package adds those items plus upgraded LED headlights with automatic high beam control, a power rear sunshade and an upgraded Mercedes navigation system. The CLS550 has a more powerful engine plus an adaptive air suspension (optional on the CLS400), the upgraded navigation system and the Harman Kardon sound system. Its Premium package features all the elements of the two CLS400 versions that aren't already standard. The Night package adds gloss black exterior elements, red interior stitching, a sport steering wheel and a manual shift mode for the transmission. Every CLS-Class comes standard with antilock brakes, stability and traction control, front side airbags, front side pelvic airbags, full-length side curtain airbags and front knee airbags. Also included are a driver inattention warning system and a forward collision warning system with automatic braking. The mbrace emergency communications system provides automatic alarm and collision notification, emergency assist, stolen vehicle location and remote lock/unlock features.