Compatible with the following models (the iPod with MMI plug), 2009-2014: For AMG Models For B Class For C-Class For CL-Class For CLS-Class For E-class For S/SL/SLK/SLS-Class For ML-Class For GL/GLK-Class For R-Class For W-Class Features: This is a new cable. The cable has a Bluetooth module interface. This product is specially designed for car o/stereo systems. If the vehicle has a socket connector and AUX function, it can be used with the radio. Insert the connector on the back of the radio equipment and connect the two wires: 12V+ (red) and 12V- (black). Select from the auxiliary panel, then connect a phone or MP3 player via Bluetooth. Enjoy music from a mobile phone or MP3 player (devices must have Bluetooth functionality). Compatible with Bluetooth versions 2.0, 3.0, 4.0, and 5.0. Supports common MP3 o format and decodes WMA, WAV, and FLAC high-quality o formats. Supports DSD high-capacity transmission. Additionally, o from apps such as QQ Music and Kugou Music, as well as movie soundtracks and navigation voice prompts, can be transmitted through the car system. Note that this only transmits o and does not support video playback in the car.