You will need the vehicle's registration papers ( Fahrzeugbrief and Fahrzeugschein ), a valid TÜV (technical inspection) , a sales contract, and proof of identity.
These are required for permanent export and usually come with a red band on the right side indicating the expiration date. buying a car in germany for export to switzerland
You must purchase specific short-term insurance to obtain these plates. How to Buy and Export a Car From Germany You will need the vehicle's registration papers (