Latest Bluetooth 4.0 1.Bluetooth 4.0 technology offers good performance. Significantly lower power consumption and more stable signal Hi-Fi lossless AUX transmission than previous versions. 2.Bluetooth A2DP music streaming to MB MMI system Two modes: Blue LED: bluetooth mode port power function off, you can only power songs from the smartphone, can not control over music from the iDrive system , the playlist will not be displayed on the car screen Red LED : modeBluetooth transmission function off, you can power your device, or use the function to listen music (note that few MMI system don't support function) Compatible for MB (2009 -2014): B Class, C, CL, CLS Class, E Class, S SL SLK SLS Class, ML Class, GL GLK Class, R Class, W Class with Comand APS NTG 2.5 3 4.
