The product is a OEM Bosch C Class Engine Starter Motor for Mercedes Benz vehicles from 2003-2011. It is a 12V starter motor made in Germany, specifically designed for the models mentioned. The part number A0061510501 is the manufacturer part number, while 001108403 is the interchange and superseded part number. This vintage part is a genuine Bosch product that ensures high quality and compatibility with the specified vehicles.