The 2015 Mercedes-Benz S-Class is a full-size sedan and coupe available in a number of variants, which correspond to engine. Standard equipment on the S550 models includes an adjustable air suspension, all-LED lighting (including adaptive headlights), automatic wipers (with advanced washers and heated blades), cruise control, dual-zone automatic climate control (with air purification and cabin fragrance systems), 12-way power front seats (with heating and memory settings), leather upholstery, a power tilt-and-telescoping steering wheel, MB-Tex synthetic leather interior trim, auto-dimming mirrors, soft-close doors, a power trunk lid and a power rear sunshade. A panoramic sunroof is standard on both body styles, but the coupe's features Magic Sky Control, which applies varying degrees of tint at the push of a button. Standard electronics features include the COMAND interface (with two 12.3-inch display screens and a touchpad/rotary knob controller), a rearview camera, Bluetooth phone and audio connectivity, a navigation system, real-time traffic and weather, voice controls, an in-car WiFi hotspot, Mercedes mbrace telematics and a 13-speaker Burmester surround-sound audio system with a six-CD changer, two USB audio inputs, an iPod interface, HD and satellite radios, TuneIn Internet radio and 10GB of digital music storage. The sedan has 18-inch wheels. The coupe has 19-inch wheels, front and rear parking sensors, an automatic parallel parking system, keyless ignition and entry and upgraded leather upholstery. All are available on the sedan. The coupe's Premium 1 package adds the active multicontour front seats, a head-up display and a surround-view parking camera system. Every 2015 Mercedes-Benz S-Class comes standard with traction and stability control (with crosswind mitigation), antilock brakes, front and rear side airbags, full-length side curtain airbags and a driver knee airbag.