Mercedes-Benz C-Class concepts

Siemens, employing prototype hybrid technology, showed off a modified Mercedes C-Class Sport Coupe that boasts faster acceleration, more torque—and better fuel economy—than its gasoline-powered equivalent. However, the company admitted that the car was "far from ready for production", and too expensive to manufacture or sell.Karmann also showed a concept of the W203 Sportcoupe (prefacelift),