TALENT units originally intended for ÖBB, but failed to enter service and subsequently replaced with an order for additional DESIRO ML units (4748).
After a period of storage in Sassnitz-Mukran, the units are now owned by BTH and hired.
Used on the below Regional-Express services:
RE 10a : Heilbronn - Mosbach - Eberbach - Heidelberg - Mannheim
RE 10b : Heilbronn - Sinsheim - Meckesheim - Heidelberg - Mannheim