Mercedes-Benz ... diffuser from the AMG GT GT4 racecar. The prototype also featured a roll cage and the medium-sized rear wing from the AMG GT R. Like the SLS AMG Black Series, the AMG GT version ...

You can read about the vast array of technical changes AMG has instigated on the Black Series here, but suffice to say this is an awful lot more than a GT R Pro with an even sillier wing on the back.

The Aventador SVJ, then, was the car to beat, and the GT Black Series did so with 1.35 seconds to spare. Unlike some previous record-holders, Mercedes-AMG claims that this particular GT Black ...

But it’s not all about the extra straight line performance, as Mercedes–AMG engineers have been rigorously testing the GT R at the Nurburgring ... a huge black rear wing and double rear ...