The 2015 Mercedes-Benz CLS-Class is a four-door, midsize luxury sedan with seating for four. Standard features for the CLS400 include 18-inch wheels, a sunroof, LED headlights and running lights, automatic wipers, auto-dimming rearview and driver-side mirrors, dual-zone automatic climate control, a frontal collision warning system with autonomous braking, leather upholstery, heated 10-way power-adjustable front seats with four-way lumbar and driver seat memory functions, a power tilt-and-telescoping steering wheel, color-adjustable ambient lighting, the COMAND electronics interface that includes an 8-inch display, a Garmin-based navigation system with voice control, Bluetooth phone and audio connectivity, a CD player, HD radio and iPhone/USB integration. Standard safety features for all 2015 Mercedes-Benz CLS-Class models include antilock brakes, traction and stability control, a driver drowsiness monitor, front-seat side and pelvic airbags, full-length side curtain airbags and knee airbags for front passengers.