BLUETOOTH MUSIC STREAMING: This adapter allows you to stream music to your car MMI system from your phone. Just plug it into the media port in your car and pair it with your Android or iOS device via Bluetooth to enjoy music from your favorite playlist HI-FI SOUND QUALITY: Features CSR Bluetooth 5.0 chip to ensure high fidelity transmission of Bluetooth audio signal for music streaming to stereo systems that doesn't have the capability. It also supports aptX and aptX Low Latency (aptX-LL) for superior audio performance EASY SETUP AND OPERATION: Activate the AUX mode in the MMI system and connect your smartphone with this bluetooth adapter, then you can listen to music via the car stereo without complicated installation procedures AUTOMATICALLY RECONNECT: The bluetooth adapter will automatically connect to your smartphone when the car is started, providing seamless connectivity every time you drive WORKS WITH MB MEDIA INTERFACE: Compatible with MB car of Media Interface (Code 518), which is usually located in your car glove box and not fit under the armrest box HMI socket. Please check that port before ordering. For Bluetooth mode, you can only change songs from the smartphone with no control over music from the MMI system, and the playlist will not be displayed on the screen PLUG AND PLAY DESIGN: No installation required, simply plug the adapter into your car's existing iPod or Media socket and start enjoying wireless music streaming immediately The MMI-BT is a plug-and-play wireless Bluetooth music adapter designed Compatible with original factory MMI port and fitted cell phone device kits.Plug and Play no installation required! Simply plug into your cars existing iPod/Media socket.

Vehicle Bluetooth Adapter Compatible with:

Vehicles with Media Interface(Code 518)
A Class W169(06/08-08/12);C169(06/08-08/12)
B Class W246(11/11-10/14) 11/11- (NTG4.5);W245 (06/08-10/11) 06/08-10/11 (NTG2.5)
C Class W204 (03/07- 02/14);S204 (12/07-08/14);C204 (06/11-11/15)
E Class A207 ((USA 05/10) 03/10- 04/13);S212 ((USA 07/10) 11/09-03/13);S211 (06/06-10/09);V212 (07/10-05/13);W212 (03/09 -03/13);W211 (06/06-02/09)
S Class C207 (05/09 - 04/13)
M Class W166 ((USA 09/11) 11/11-08/15)11/11- (NTG4.5)
G-Class G463 (10/00-05/12)
CLS-Class C218 ((USA 06/11) 01/11-08/14);C219 (04/08-12/10)
GLK-Class X204 (10/08-05/12)
SL-Class R230 (04/08-03/2012)
SLK-Class R171 (04/08-02/11) C639 NCV2 Vito (gewerblich) (10/10-09/14) 10/10- (NTG2.5)

Please make sure to call your local 4S dealer and verify if this part is compatible with your vehicle