As Swiss wages increased the plant, with its small numbers, became unprofitable and it was closed in the middle of 1975. The Belgian Rangers continued to be available, in an ever-shrinking lineup, until 1978 when the new Opel Rekord (E) appeared.
The Swiss plant received most of its parts from Germany, utilizing up to 15 percent local material (tires, upholstery, glass, etcetera) to save on import tariffs. Some parts were brought in from England and South Africa as well, however.