Mercedes-Benz Museum, “Fascination of Technology” area, photograph taken in 2018. In the foreground, the Mercedes-Benz F 400 Carving research vehicle from 2001. In the background, clockwise: Mercedes-Benz F 700 research vehicle from 2007, F 200 Imagination research vehicle from 1996 and C 111 experimental vehicle with four-disc Wankel rotary engine from 1970. (Photo signature in the Mercedes-Benz Classic archives: D584416)