The product is a BOSCH OEM Mercedes door lock vacuum pump with the manufacturer part number 2208000648. It is designed to control the door lock vacuum pump in select Mercedes models from 2000 to 2006, including the S500, S430, S55, S600, CL500, CL55, and CL600. This pump comes with a 1-month manufacturer warranty and is interchangeably labeled as 2208001148, 220 800 11 48, 2208000848, 220 800 08 48, and 2208000548, 220 800 05 48. It is specifically designed for the rear, left side of the vehicle.