Description- The Bluetooth-compatible module is made for Mercedes-Benz- If there is MMI socket,our Bluetooth-compatible module will work.- Just plug the MMI connector into the socket back of your radio- Pair your phone or mp3 or pad with Bluetooth-compatible to the module, this name: Klevery- It is Bluetooth-compatible 4.1 version, not need password when connecting.- Choose AUX from your radio and you can play music from your phone in your car.Match your phone or pad to Bluetooth-compatible module.and Choose Aux from your radio, then you can use your phone to play music through car speakers.You can hear music from your phone or pad or mp3(They should have blueooth function).Note:Only audio playback, can not be steering wheel control, can not be used answer the phone. Features:- Plug and Play- MMI Stecker- Material: ABS Plastic- Bluetooth: V4.1- Supported Bluetooth-compatible profiles: A2DP (audio transmission)- Set up with auto-pairing in a minute- Existing CD changer can still be used- Function via Bluetooth-enabled devices- Cable length: 23cmCompatible withfor Benz (fit for 2009 and UP Model)- C class- CLS 2010- E class (W212 or S212)- M class- R class- S classand others with the special equipment Media Interface (Code 518) Note:Pls make sure your car has MMI socketPackage:1x Bluetooth-compatible Adapter Aux cable