On one hand, it may seem like an odd time for Mercedes to be jumping back into the ultra-premium end of the car market, particularly in light of its recent less-than-standouts efforts (think: McLaren SLR and the salesproof Maybach). But this isn't the case with the 2011 Mercedes-Benz SLS AMG. In fact, this isn't really a Gottlieb and Karl joint at all – at least not by any traditional definition.