--- from Automotive Traveller, CLICK HERE for original article and hi-res photo gallery.
While this test mule is under some unique, hard-sided camouflage, it is obvious what we were looking at: the successor to the current Mercedes-Benz SLR McLaren. But this one will be an in-house affair with AMG being the main development partner. Even with the camouflage, this looks like it's going 200 MPH standing still!