This is a high-quality navigation command head unit CD audio for Mercedes-Benz W204 models. It is an original equipment manufacturer (OEM) part number A2049007311, and it is a genuine OE OEM original from Germany. The unit is compatible with a range of Mercedes-Benz models, and it comes with a 6-month manufacturer warranty. The unit is designed to provide excellent audio quality and easy navigation of your music library. It is a perfect replacement for your old or damaged head unit, and it is compatible with a range of Mercedes-Benz models. The unit is not a universal fitment, and it is not a vintage or performance part.