The movie is part of the notorious german "SchleFaZ" series. It was aired August 2020 on german TV station Tele5. ("SchleFaZ" is a german abbreviation, means "the worst films ever". In that series 2 hosts present the whole flick - and make fun of it throughout the movie.)
With around 4 million admissions, this film was the third most successful film in West Germany in 1972 - after Trinity Is Still My Name (1971) and The Godfather (1972).