Product Description Of MERCEDES S-CLASS (W211): Mercedes Benz C-Class (W204) Android Car Stereo Navigation In-Dash Head Unit has a lot of advantages as opposite to the original car multimedia system. OS Google Android 7.1 (Nougat) based car stereo is much more functional than other operating systems car devices. Everything that is available in your modern smartphone or a tablet now it is easy to access in SMARTY Trend multimedia system.