?Steering Wheel Control & Dual USB Cables?Plug and Play Wired Harness supplied,easy to install(few cars swc cables requires manual wiring,contact us if swc does not wrok),supported car original steering wheel control button programme and customize(Click "Settings" in the main menu, go to factory and input password 3368,click "Car Model",select "OD->Benz->B200->OD"),double USB cables support charging for 2 devices. ?Bluetooth & WiFi & GPS Navigation?Built-in GPS Navigation,come with gps antenna.Only connected with wifi,get the traffic information,download offline maps,apps, without network,the gps function still worls,but with network will makes navigation positioning more quickly and precise.Never lost your ways.Built-in bluetooth and offer extral mircophone,hands-free calling and answeringby connecting phones,making your calls safer while driving. ?Wireless and Wired CarPlay & Android auto?Wireless connected with Bluetooth,click Car-Link icon to start CarPlay or Android Auto function or back to main page(Compatible with iPhone 5 and later,Android phone 11.0 and later), Wired contected with the 6 pin USB cable,very convenient to operate,free your hands,easily use GPS navigation, calls, message, music and more functions while focusing on road safety. ?Car Radio Upgrade?Customization Android system,with 4-Core 1.2Ghz processor,2GB RAM+32GB ROM,ensures smooth operation and faster response,32GB large storage space with wifi function allows more apps installed,1280*720 HD Touchscreen thrid-gen IPS display,color richer and display clearer,Screen Display Resolution 1280x720, Video output resolution 1024x600 (to external monitor). ?Changeable UI Car Stereo Radio?9 inch capacitive touch screen car In-dash stereo compatible with Mercedes Benz R-Class R350 W251 2006 2007 2008 2009 2010 2011 2012 2013,supports Android Launcher,such as AGAMA Car Launcher,you can download the APP from Google Play and customize your own UI Themes.It is troublesome to removal the original car stereo radio of some car models. It is recommended to find a video on YouTube to learn first.