CoolStream Bluetooth Adapter for 2011 or Earlier Mercedes iPod iPhone 30 Pin Cable CarPro BLUETOOTH MUSIC STREAMING ADAPTER FOR MERCEDES with factory installed 30 Pin cable usually found in glove box or center console. NOT compatible with USB only iPod cables. Bluetooth music streaming only, does NOT support phone calls. PLUG, PAIR and PLAY. The CarPro works with all iPhone and Android phones. Plugs in the 30 Pin connector of the Mercedes Media Interface cable. Stereo should be set to AUX source. STEERING WHEEL CONTROLS SUPPORTED. Use the steering wheel buttons to control music saved on your phone including play/pause, track forward/back and volume up/down. Pandora, Spotify and other streaming apps CANNOT be controlled by steering wheel functions. FOR BEST RESULTS you need to have at least 1 song downloaded and saved to your phone so that the CarPros software can communicate with the car. Before pairing with the CarPro update your iOS and restart your phone. You can pause music by pressing volume up/down buttons simultaneously on your steering wheel. DESIGNED and SERVICED in USA. CoolStream is a USA company committed to customer service. Click on the Sold by CoolStream link above to contact us by email or telephone. We are based in NH and happy to help. The CarPro is designed specifically to support music streaming from mobile devices such as iPhone (including but not limited to 5,6,7,8,X) iPad and Android devices. iTunes that are saved directly to your iPhone will display on your entertainment screen.  Songs saved to your Android device will not display. Play and control your downloaded and saved music from your iPhone or Android phone using your steering wheel controls. Stream your favorite music apps such as Spotify, Pandora, YouTube or Audible.  (The steering wheel controls will not work with these apps.) After the first use, the CarPro will automatically reconnect to your mobile device after starting up the engine. Alpine CDA-9886M Marine CD receiver with USB input and iPod cable Fusion True-Marine Stereo Model MS-RA205 Fusion Marine Stereo for iPod Model MS-IP600 Jenson Marine Radio MSR2107