The SLS AMG Roadster is a convertible variant of the SLS AMG Coupé, with conventional doors and three-layered fabric soft top (having a magnesium, steel and aluminium construction) which opens and closes in 11 seconds, and can be operated on the move at up to 50 km/h (31 mph). The roadster's DIN kerb weight is 40 kg (88 lb) more than the SLS AMG Coupé. Certain reinforcements were made to the roadster in order to compensate for the loss of roof which includes side skirts with greater wall thicknesses and more chambers, a dashboard cross-member is supported against the windscreen frame and centre tunnel by additional struts, a curved strut between the soft top and the tank reinforces the rear axle, a reinforcing cross-member behind the seats to support the fixed roll-over protection system. Other features include 265/35 ZR 19 front and 295/30 ZR 20 rear wheels,, optional weight-optimised forged wheels in a 10-spoke design in black with a high-sheen rim flange, 175 litres boot capacity, choice of 3 trims (leather, matte-finished solid metal, optional carbon-fibre), black designo leather upholstery, AMG sports seats with heating, a slot-in glass draught-stop, COMAND APS with DVD player, anti-theft alarm system with tow-away protection and interior monitoring, THERMOTRONIC luxury automatic climate control, KEYLESS-GO starting function, optional AIRSCARF ventilation at backrests of the AMG sports seats, leather-lined roll-over bars with integrated mesh in a "Silver Shadow" look with optional designo Exclusive leather, optional electrically folding exterior mirrors, optional Blind Spot Assist, 3-stage ESP with acceleration skid control, optional front AMG ceramic brake discs, AMG 7-spoke light-alloy wheels (optional 5-twin-spoke wheels, weight-optimised 10-spoke forged wheels), 265/35 R 19 front and 295/30 R 20 rear tyres, tyre pressure monitoring system.
The SLS AMG Roadster was unveiled at the 2011 Frankfurt International Motor Show.
