2010 Carlsson C25 Super-GT Concept At the 2010 Geneva Motor Show the German tuning firm Carlsson, who unsurprisingly specialize in modding Mercedes-Benz models, will unveil the C25 - an insanely aggressive 753 horsepower monster.2010 Carlsson C25 Super-GT Concept Carlsson C25 is the first self-developed automobile from Carlsson and are presenting C25 at Geneva Auto Show this March. The concept of
