The Genuine Mercedes Turn Signal Light Socket - 221820057764 is a replacement part for Mercedes vehicles. It is designed to hold the turn signal light bulb securely in place and provide a connection for the electrical wiring. This socket is made of high-quality materials to ensure durability and reliability. It is an authentic Mercedes product, ensuring a perfect fit and function for your vehicle. This turn signal light socket is compatible with various Mercedes models and is an essential component for proper turn signal operation.