This nox sensor is compatible with a range of Mercedes-Benz models including W204, W207, W212, W218, W222, W447, and W906. It is an OE/OEM part with the manufacturer part number A0009053403 and comes with a 1-month manufacturer warranty. The sensor is designed for air intake and fuel sensors as well as air and fuel delivery systems in car and truck parts and accessories. Whether you're looking to replace a faulty sensor or upgrade your existing one, this nox sensor is a reliable choice.