For the Linux screen purchased for the Mercedes-Benz NTG5.0 system, this document provides two audio solutions for the scenario where the device is not equipped with a USBAUX box as standard, guiding users to complete the audio function configuration and ensuring an in-car audio experience.
1. Video Tutorial Guide
To help you configure your audio output more easily, please visit our official YouTube channel to watch a full demonstration. The video covers the complete setup process for both options.
Video link: https://youtu.be/jwbJt9swcmI?si=X9t4Fud8GfREsseW
2. Audio Output Solutions
Option 1: Factory Bluetooth audio (Recommended; better sound quality)
1.Enable the vehicle's Bluetooth channel on the in-car system：
On the Linux main screen, navigate to setup-system, locate the “Use Car's BT Channel” option, and enable it.
2.Connect your phone to the car's built-in Bluetooth
Switch to the Mercedes-Benz OEM interface and use your phone to pair with the vehicle's Bluetooth system.
3.Connect a Linux screen via Bluetooth
Switch back to the Linux system interface and use your phone to pair and connect to the Linux screen via Bluetooth.
4.Automatically connect CarPlay to the audio output
Once the Bluetooth connection is established, the system will automatically initiate the CarPlay connection. At this point, music playback will function normally, and audio will be output through the vehicle’s Bluetooth system.
Option 2: USBAUX Box Audio (Alternative Option)
1. Equipment Purchase
If you need to use a wired audio solution, you can purchase the dedicated USBAUX box from the PEMP official store.
2.Hardware Connections
2.1.Connect the Audio OUT port to the USBAUX box
2.2.Connect the USB port on the USBAUX box to the USB port inside the car's armrest compartment
3.Linux Screen Configuration
Switch to the Mercedes-Benz OEM interface and locate the USBAUX device in the device
list
3.1 Press and hold the star button on the knob
3.2 Move the USBAUX device to the second position, immediately after "Navigation".
3. Important Notes
1.Option 1 is the officially recommended solution, offering a more stable connection and superior audio quality without the need to purchase additional hardware.
2.When using Option 2, please ensure that the USBAUX box, cable harness, and connector are securely connected to prevent audio loss due to poor contact.
3.Please make sure that both your phone's Bluetooth and the car's Bluetooth are set to “discoverable” to prevent pairing failures.
4. After-sales support
If you are still unable to obtain audio output after following the steps above, or if you encounter other device issues, please contact our customer service team through the following channels:
(After-sales email: service@pempcar.com)
