This side marker light assembly is a genuine Mercedes-Benz part, model number A 212 820 01 21. It is designed to fit seamlessly into your Mercedes-Benz vehicle and provide reliable lighting. With its sleek design and high-quality construction, this side marker light assembly is a great addition to your car. It is compatible with a variety of Mercedes-Benz models and is sure to enhance the look and functionality of your vehicle. So if you're looking for a reliable and stylish side marker light assembly, look no further than this genuine Mercedes-Benz part.