We’ll come right out and say it: The 2013 Mercedes-Benz SL isn’t exactly pretty. And while this new SL63 adds all of the go-fast appearance bits befitting any AMG model, it doesn’t exactly help the big roadster’s appearance. And by the way, when we say big, we mean big. The photos don’t quite do it justice – this is one seriously large two-seater. Funk Flex