Feature 1Fitment: Replacement for MercedesBenz BClass W245, replacement for MercedesBenz CClass W203, replacement for MercedesBenz CLKClass W209 and much more models. 2Easy to Pair: All you need to do is just pair your devices with the Bluetooth module, select AUX from the radio, and then you can play music in your devices through the car speakers. 3Bluetooth 5.0 Protocol: Backward compatible with 2.0 3.0 4.0 other Bluetooth protocol version, non general ordinary Bluetooth function, and the audio harness functions via Bluetooth enabled devices. 4Applicable Models: Bluetooth audio harness supports common MP3 format audio, and for WMA, for WAV, for FLAC and other audio format decoding, supports stable DSD large capacity transmission. 5Excellent Performance: There is no functional limitations of the car radio, allows you to connect an external audio source, realizing listening to your favorite music while driving with the harness.Item Type: Bluetooth Audio HarnessMaterial: ABS, RubberBluetooth Version: 5.0Working Voltage: 12VFitment: For Audio 20, Audio 30, Audio 50 APSFor Comand APS (only NTG2)Replacement for Mercedes-Benz A-Class W169 Replacement for Mercedes-Benz B-Class W245 Replacement for Mercedes-Benz C-Class W203 Replacement for Mercedes-Benz CLK-Class W209Replacement for Mercedes-Benz GL-Class X164Replacement for Mercedes-Benz M-Class W164Replacement for Mercedes-Benz R-Class W251Replacement for Mercedes-Benz S-Class W221 Replacement for Mercedes-Benz SL-Class R230Replacement for Mercedes-Benz CL-Class 2004-2006 .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Bluetooth Audio Harness