At the International Motor Show (IAA) in Frankfurt/M. Mercedes-Benz presents the near-production study "Vision CLS" and the high-performance sports car SLR McLaren (model series 199) developed together with McLaren. Its new 460 kW / 626 hp 5.5-litre supercharged V8 engine from the M 155 series is built by Mercedes-AMG. The 4MATIC variants of the E-Class Saloons and Estate models (model series 211), the E 55 AMG Estate and the E 200 NGT also make their debut. The model based on the E 200 KOMPRESSOR with bivalent gas/petrol drive is the most powerful series-produced saloon with environmentally friendly natural gas drive, with 120 kW / 163 hp. Mercedes-Benz also presents a hybrid drive concept combining a V6 petrol engine with two electric motors and a nickel-metal hydride battery. smart presents the four-seater model series forfour, the market launch of which begins in April 2004.