Photo gallery:
All nine in one go - special exhibition C111

The Mercedes-Benz C111 set many records, but never went into series production

Mercedes-Benz C111-II - the orange bears the color designation "Weissherbst"

The Mercedes-Benz C111-I from 1969 had a three-disc Wankel engine

Mercedes-Benz C111 - The futuristic gullwing coupé with striking paintwork never went into series production

Mercedes-Benz C111-II from 1970 - aesthetic and visionary design with gullwing doors

Two examples of each of the two original C 111 models are on display in the special exhibition at the Mercedes-Benz Museum

The Mercedes-Benz C111-IV is one of the exhibits at the Mercedes-Benz Museum's special exhibition

Various models of the Mercedes-Benz C111 are on display

The Mercedes-Benz C111 was a style icon - nine spectacular models are on display in a special exhibition

A technology island in the special exhibition shows the technology of a modern combustion engine

Mercedes-Benz C112 from 1991 - it also never went into series production

The Mercedes-Benz C111 was visionary and aesthetic in all its variants

Spectacular view of the nine Mercedes-Benz C111 models on display in the special exhibition

Nine in one go - Mercedes-Benz C111 models in a special exhibition at the Mercedes-Benz Museum

Nine Mercedes-Benz C111 models will be on display at the Mercedes-Benz Museum until November 15, 2015

The Mercedes-Benz C111-III set countless records and is on display in the special C111 exhibition at the Mercedes-Benz Museum

Mercedes set a spectacular new circuit record of 403.978 km/h with the Mercedes-Benz C111 IV