CCM News, Geneva. Mercedes-Benz was the trendsetter at the Geneva Auto Show. The all new C-Class Coupe had its world Premiere here and the concept smart forspeed was the head turner at the show. Traditionally Geneva is the show for all new convertibles and Mercedes-benz brought the all new SLK. The roadster that was introduced to the market in 1996 is one of the most successful sport cars in its class