Gemballa-Tuned McLaren MP4-12C Spider Heading to Geneva Motor Show By Jason Siu Feb 21 2013 Share this Article Tweet World-renowned tuner Gemballa will be heading to the 2013 Geneva Motor Show with its GT Spider, based on the McLaren MP4-12C Spider. Continue Reading... Filed under: Auto Show News British Convertibles Coupes Featured Articles Luxury Cars McLaren Modified Euro Sports CarsTags: 2013 Geneva Motor Show, gemballa, gemballa gt spider, geneva motor show, McLaren, McLaren 12C