This is the 2010 Mercedes-Benz SLS AMG, and the official line from Stuttgart is that AMG development chief Tobias Moers is simply testing it here on the 2.2-mile Sachsenring circuit, an hour or so from Dresden, Germany. This is the last in a long series of development tests for the SLS supercar over the past two years, and it's meant to be the last stage before the production version will be revealed in September at the 2009 Frankfurt Auto Show.
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