Sixt Airport station.
Booked ITMR which is a BMW 1er Cabrio, Peugeot 308 CC. Got confirmed/blocked/online-checkin showed only the the Peugeot 308 CC for me.
Talked to the people at the counter, received the Mercedes SLK 200 which is PTMR.
Niiiiice car. Took it for a spin through the black forest...