The product is a yaw rate and speed sensor for Mercedes-Benz vehicles from the years 1999 to 2002, specifically the SLK, C, and ML classes. It is manufactured by ATE and comes with the OE/OEM part numbers A0025427218, A 002 542 72 18, and A0025417218. This sensor has a superseded part number of A0025427218 and is made in the USA. It is not a universal fitment part, nor is it considered a vintage or performance part.