The SLS AMG GT3 is a race car version of SLS AMG Coupé, developed in accordance with the GT3 regulations of the FIA (Fédération Internationale de l’Automobile). It includes a sequential six-speed racing transmission with steering wheel shift paddles, an integrated multi-disc locking differential and traction control, adjustment facilities for the springs and shock absorbers, the suspension height, the stabilisers, the track width and camber; rack-and-pinion steering with a more direct ratio and servo assistance, AMG 18-inch light-alloy wheels, a steel racing braking system with racing ABS, seat shell (individually foam-padded, features the HANS (Head and Neck Support) system) located in a high-strength carbon-fibre (CFRP) safety cell, a six-point seat belt, optimised fire extinguisher system, central display positioned within the driver's field of vision. Development of the new Mercedes-Benz SLS AMG GT3 testing programme began on Lausitz Eurospeedway in June 2010.
The vehicle was unveiled in 2010 New York International Auto Show and Puebla in Mexico, and later a silver version of the car was unveiled in 2010 Pebble Beach Concourse D'elegance. The vehicle went on sale for €334,000 (not incl. VAT) or €397,460 (incl. 19% VAT), only in left-hand drive configuration. Deliveries began in February 2011, following homologation by the FIA in accordance with the GT3 regulations.
SLS AMG GT3 was first raced in the 2010 VLN Nürburgring Endurance Championship. At VLN Nürburgring, the SLS AMG GT3 was admitted into the SP9 class with "Balance of Performance" set to 1,350 kg (3,000 lb) and 556 PS (409 kW; 548 hp), and won its first race in October. The car also won the 2012 24 Hours of Dubai under Black Falcon Racing.
25 SLS AMG GT3's were built for competition with only one not racing in Europe. Erebus Racing who race in the Australian GT Championship run the car which is driven by Peter Hackett who is also the Chief Instructor at the Australian Mercedes Benz Driving Academy.
SLS AMG GT3 is used in the MASTERS SLS AMG GT3 level of AMG Driving Academy programme.
SLS AMG GT3 was competed in Goodwood Festival of Speed 2011.
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