Look, you won't find a bigger bunch of fans of the C63 than this here crew, but man, that massive "plug-in hybrid" logo might as well say "70+ aged drivers only, please." For everyone not interested in scooping up a Tesla Roadster, Chevy Volt or some other eco-friendly whip that they can't afford, there's the Mercedes-Benz Vision S 500. Made official this week during the run-up to the impending Frankfurt auto show, the 3.5-liter PHEV aims to grab the eyes of those who value cl
