I've been seeing lots of matte silver C-class coupes around here lately. Just saw one that was chrome! I don't know if it was paint or some kind of metallic wrap.
2014 M6 Convertible Citrin Black/Champagne - 6MT, Carbon Ceramic Brakes, Exec, B&O, Night Vision, Driver Assist
2013 750i Mineral White
2011 750i Jet Black
2007 750i Monaco Blue