This OEM control module is designed for the front right passenger side door of Mercedes-Benz W251, W164, X164, and R350 models. It is a genuine part from Germany with part numbers A 164 820 98 85, 1648209885, and A1648209885. The module is compatible with interchange part numbers ML550 / ML63 / BLUETEC / AMG, SEDAN, CONNECTOR WIRING, BOX SPORT, and is suitable for placement on the vehicle's front right side. The control module comes with a manufacturer warranty of 3 months and is a crucial component for the proper functioning of the vehicle's electric, hybrid, and PHEV specific parts. It is compatible with various Mercedes-Benz models and is a must-have for anyone looking to replace a faulty or damaged control module.