1978 1979 1985 2998 300 5800 88 automobile benz mercedes r5 td 1973 cars prototype sports porsche martini 3 belgium francorchamps side spa close front germany gijs herbert lennep mueller nuerburgring rear up van 4 follmer george 1 a3 blur bodywork emblem hi jump many res speed start wheel a4 dirt dust eau engine interior mechanics pits pitstop refuel rouge steering two zoom