Genuine OEM Mercedes-Benz Towing Hitch Socket Adapter, part number A0008211856. This adapter facilitates compatibility between a towing hitch's electrical socket and the vehicle's electrical system, ensuring proper function of trailer lights and signals. It connects to the vehicle's towing harness and provides the correct socket interface for the trailer plug. The adapter is constructed from durable materials to withstand outdoor conditions and repeated use. Genuine OEM parts are manufactured to exact specifications for a precise fit and reliable electrical connection.