Watch the Mercedes SLS 63 AMG deliver powerful burnout and donut moves, followed by aggressive kickdown acceleration. With ...

All good things must come to an end. As the Mercedes-Benz SLS AMG has been a good thing - a very good thing, in fact - ever since its debut in 2009, it, too, is subject to this rule of thumb.

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.