NEW FOR 2012: - Redesigned model - 4.6-litre bi-turbo V8 replaces 5.5-litre V8 on CLS550; now all-wheel drive instead of rear-wheel drive - 5.5-litre bi-turbo V8 replaces 6.2-litre V8 on CLS63 AMG - New LED headlights standard on CLS63 AMG, optional on CLS550 For 2012, the Mercedes-Benz CLS-Class is redesigned into its second generation. This includes all-new styling, new engines, 4MATIC all-wheel drive on the CLS550, and the availability of all-new LED headlights. The CLS-Class is made up of the CLS550 4MATIC, with 4.6-litre bi-turbo V8, and the CLS63 AMG, with 5.5-litre bi-turbo V8. Both use a seven-speed automatic that is an AMG Speedshift model in the CLS63. The CLS550 uses 4MATIC all-wheel drive, while the CLS63 AMG is rear-wheel drive. Features on the CLS550 4MATIC include 18-inch AMG alloy wheels, three-zone automatic climate control, air suspension with adaptive damping, COMAND APS with navigation system, voice control and DVD changer, iPod and USB connectors, Sirius satellite radio, Bluetooth connectivity, AMG front and rear aprons, bi-xenon headlamps, LED taillights and daytime running lights, auto-dimming rearview and driver’s side mirrors, power-folding mirrors with integrated turn signals, heated windshield washers, ten-way power-adjustable heated leather seats with three-position memory, split-folding rear seat, power-adjustable leather-wrapped sport steering wheel with shift paddles, power sunroof, ambient lighting with three colour settings, Parktronic active parking assist, garage door opener, cruise control, keyless entry, driver’s knee airbag, first-aid kit, TeleAid emergency calling system, and tire pressure loss warning system. The CLS63 AMG adds 19-inch AMG alloy wheels, AMG Ride Control suspension, Harman/Kardon Logic7 surround sound system, active LED headlights, adaptive high beam assist, rear window sunshade, multi-contour front seats, passive lane keeping assist, and passive blind spot assist. Depending on the model, available options include performance suspension, carbon ceramic brakes, carbon fibre trim, power trunk, heated rear seats, climate-controlled front seats, Keyless Go, and active lane keeping and blind spot assist.