Features: 1.Applicable Model: Replacement for Mercedes W169 A Class; Replacement for Mercedes W245 B Class; Replacement for Mercedes W203 C Class and more models. 2.Supported Audio Systems: Bluetooth Aux cable adapter supports for Audio20, Audio50 APS, Comand APS (only for NTG2). 3.Bluetooth Connection: Bluetooth 5.0 adapter Aux cable works for any phones, mp3 or pads (They should support blueooth function). 4.Radio Stereo Adapter: Allows you to connect an external audio source, pick up lots of radio program. No functional limitations of the car radio. 5.Easy Use: Pair your phone with our bluetooth module, and choose Aux from your radio. Then you can use your phone to play music through car speakers. Specification: Item Type: Bluetooth Music Adapter Material: ABS Bluetooth Version: 5.0 Fitment: Fit for Audio20, Audio50 APS, Comand APS (only for NTG2) Replacement for Mercedes W169 A Class Replacement for Mercedes W245 B Class Replacement for Mercedes W203 C Class Replacement for Mercedes W209 CLK Class Replacement for Mercedes GL Class X164 Replacement for Mercedes W164 M Class Replacement for Mercedes W251 R Class Replacement for Mercedes W221 S Class Replacement for Mercedes R230 SL Class Replacement for Mercedes CL Class (2004-2006)