UPDATE: It turns out that this car is the test version of the new CLK 63 AMG Black Series, and not a revision of the CLK DTM. The new car features AMG's 6.2-liter V8, putting out 530 hp ...

There’s so much to love about the CLK63 AMG Black Series, but if you’re looking for one thing that defines it – and tells you all you need to know about the enthusiasts who developed it ...