http://mercedesblog.com/2016-c-class-cabrio-is-here-discover-how-it-looks/
http://www.autoevolution.com/news/mercedes-amg-c63-s-coupe-showcases-its-rear-axle-differential-with-electronic-lock-video-98957.html#
http://www.autoevolution.com/news/2017-mercedes-amg-c63-coupe-gets-comprehensive-walkaround-video-presentation-99136.html