Mercedes-Benz SLS AMG GT3 (photos)

Automakers usually announce production vehicles at auto shows, but Mercedes-Benz used the 2010 New York auto show to unveil the racing version of the SLS AMG, the Mercedes-Benz SLS AMG GT3.

Wayne Cunningham

April 1, 2010 9:46 a.m. PT

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The Mercedes-Benz SLS AMG GT3 is a version of the SLS complying with GT3 racing regulations, and as such varies little from the production car on which it is based. It retains the 6.2-liter AMG V-8, but gets extra cooling vents for engine and wheels.

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The SLS AMG GT3 sits lower than the production SLS AMG and gets a wider wheel base. It uses AMG racing brakes, but ceramic brakes are not available because they don't fit on the 18-inch wheels required by GT3 regulations.

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An adjustable rear wing helps the SLS AMG GT3 keep grip at high speeds on the race track, and a rear diffuser funnels air from under the car. Because the SLS AMG GT3 is lighter than the production SLS AMG, it gets to 60 mph in 3.7 seconds.

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The cabin of the SLS AMG GT3 is appropriately stripped for racing, with no passenger seat. The gas tank has also been enlarged to 31.7 gallons.

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Though the profile of the SLS AMG remains the same as its racing counterpart, it is obviously higher up, designed to handle speed bumps and other pavement faults.