Mercedes-Benz SLS AMG GT3

Special Cars 1 Apr 2010
Mercedes-Benz SLS AMG GT3

Mercedes-Benz has unveiled a GT3 variant of the SLS AMG which complies with the FIA specifications and will be homologated for the 2011 racing season. The special edition marks the entering of AMG in the customers’ racing cars market segment. Sales will begin in fall 2010.


Mercedes-Benz SLS AMG GT Coinciding with the market launch of the SLS AMG on
27 March 2010, Mercedes-AMG is presenting a GT3 variant.

Developed to comply with the GT3 specifications of the FIA (Fédération Internationale de l’Automobile), the SLS AMG GT3 is designed as a racing sports car for customers competing in sprints and long-distance races.

With the new SLS AMG GT3 the AMG brand is entering a new business sector: the development, production and marketing of sports racing cars intended for customer use.

Sales of these customer cars are expected to commence in autumn 2010, and homologation of the GT3 variant will be completed in time for the 2011 racing season.

Mercedes-Benz SLS AMG GTThe main focus when modifying the body of this gullwing model was on aerodynamic performance – as is seen not only in the new front apron with a splitter, the hood with its central cooling air vent and the wider front and rear wings, but also in the the side wheel arch air vents, the sideskirts with cooling ducts for the rear brakes, the smooth underbody with a rear diffuser and the adjustable rear aerofoil.

All these features ensure a low drag coefficient and maximum downforce – while guaranteeing effective cooling of thermally highly stressed components.

The C-pillars accommodate the standardised filler pipes for the fast-refuel system.

The FIA will determine the maximum output of the AMG 6.3-litre V8 front-mid engine with dry sump lubrication on the “Balance of Performance” principle.

Mercedes-Benz SLS AMG GTThis is intended to ensure that all the racing cars taking part have an equal chance.

The classification process, during which the kerb weight is also determined, will be completed in 2010.

Power transmission in the GT3 variant is by a sequential six-speed racing transmission with steering wheel shift paddles and an integrated multi-disc locking differential.

As in the standard SLS AMG, the transmission is located at the rear axle: the engine and transmission are connected by a torque tube within which a carbon-fibre shaft rotates at the engine speed, as in the roadgoing version.

The wheels are located by a double-wishbone suspension of forged aluminium at the front and rear. Adjustment facilities for the springs and shock absorbers, the suspension height, the stabilisers, the track width and camber allow an individual setup for the racetrack.

Mercedes-Benz SLS AMG GT Mercedes-Benz SLS AMG GT Mercedes-Benz SLS AMG GTRack-and-pinion steering with a more direct ratio and speed-sensitive servo assistance make for extremely agile handling. Behind the central-locking AMG light-alloy wheels, a composite steel racing braking system with racing ABS ensures outstanding deceleration.

The interior of the SLS AMG GT3 is dominated by a racing car atmosphere: the steel rollover cage ensures the driver’s safety, and adds additional reinforcement to the aluminium spaceframe.

Mercedes-Benz SLS AMG GT3 Interior Mercedes-Benz SLS AMG GT3 InteriorThe racing buucket seat has a six-point seat belt and HANS system (Head and Neck Support). The central display is positioned in the driver’s field of vision, and shows all the relevant information such as speed, engine rpm, operating temperatures, lap times and the selected gear.

Mercedes-Benz SLS AMG GT Mercedes-Benz SLS AMG GT Mercedes-Benz SLS AMG GTThe open-top racing steering wheel has gearshift paddles. Additional controls – including the engine start button, the reverse gear selector and the fire extinguisher system activation control – are located on the centre console. The adjustment control for the brake balance is located on the torque tube tunnel.

(Source: Mercedes-Benz)

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