Research car featuring variable bodywork design

Mercedes-Benz unveils the Vario Research Car, featuring variable bodywork design at the Geneva Motor Show. Also making their debut at Geneva are the PARKTRONIC ultrasonic parking aid, which will be a standard feature of the S 600 starting in April, and the special SL "Mille Miglia”, which will be offered in limited numbers starting in May to mark the legendary road race of the same name.