We journalists love "firsts," because via benefit of a good "first" or two the copy flows easily, the headlines write big, and in no time our report is posted and we're headed to the bar, job done.

The Mercedes-Benz SLS AMG is a mighty machine, remembered as the German automaker's first supercar, which is now reasonably priced on the used market. As for the hardcore Black Series of the SLS AMG, ...