Introduction
The XUDA Plug&Play Wireless Carplay Android Auto NTG4.5 Becker W177 W204 NAVI Decoder Kit is a retrofit solution designed to integrate Wireless CarPlay and Android Auto functionalities into your Mercedes-Benz vehicle's existing NTG4.5 system. This kit provides an OEM-like experience, retaining your original car display while adding modern smartphone connectivity. It supports a range of Mercedes-Benz models including A, B, C, E, G, GLA, CLA, GLK, and ML Class vehicles equipped with the NTG4.5 system and a Harman Becker port.
Key features include wireless connectivity via 2.4G and 5.8G WiFi, Bluetooth 5.0, support for Mirror Link and USB flash drives, and control through existing steering wheel controls, touch (if applicable), and voice commands like "Hey Siri...". Enjoy seamless access to navigation apps, music, and communication features directly on your car's display.

Setup Instructions
This kit is designed for plug-and-play installation, requiring no complex wiring or permanent modifications. Before installation, please confirm your car is equipped with an NTG4.5 system and has a Harman Becker slot/harness, typically found in the glove box. Not all cars from the same year have this harness.
Compatibility Check


Installation Steps
- Locate the Becker Slot: Identify the Harman Becker port, usually located in your vehicle's glove box.
- Insert the Upgrade Box: Carefully insert the XUDA upgrade box into the corresponding Becker slot. Ensure it is securely seated.
- Connect USB & AUX Cable: Connect the provided USB & AUX cable to the upgrade box and route it as needed for future use (e.g., USB flash drive, software updates). Ensure the AUX connection is made to the original car AUX input.
- Power On: Turn on your vehicle's ignition. The system should automatically detect the new device.

Operating Instructions
Once installed, the XUDA kit allows seamless integration of your smartphone's features into your Mercedes-Benz NTG4.5 system.
Connecting Your Smartphone
- Bluetooth Pairing: The unit connects to your phone via Bluetooth. Ensure Bluetooth is enabled on your smartphone and pair it with the XUDA device. You do not need a USB cable for primary connection.
- Wireless CarPlay/Android Auto: After successful Bluetooth pairing, your phone should automatically connect to Wireless CarPlay or Android Auto.
Using CarPlay/Android Auto Features

- Voice Control: Utilize voice commands (e.g., "Hey Siri...") for hands-free operation, making calls, sending messages, and controlling music.
- Navigation: Access GPS navigation apps like Google Maps, Waze, and Apple Maps with live traffic information directly on your car's display.
- Media Playback: Stream music and audio from your favorite apps.
- Control Methods: The system can be controlled using your vehicle's existing steering wheel controls, touch screen (if your car has one), and voice commands.
- Switching Displays: Easily switch between the CarPlay/Android Auto display and your original NTG system display using factory controls.
DIP Switch Settings

The device features DIP switches for specific configurations:
- Dial 1: Controls the audio Bluetooth. Use this switch to turn the audio Bluetooth on or off.
- Dial 2: This switch is currently invalid and has no function.
Maintenance
To ensure the longevity and optimal performance of your XUDA CarPlay/Android Auto kit, follow these simple maintenance guidelines:
- Keep Clean: Regularly wipe the device and surrounding area with a soft, dry cloth. Avoid using harsh chemicals or abrasive cleaners.
- Avoid Extreme Temperatures: Do not expose the device to extreme heat or cold, as this can affect its electronic components.
- Check Connections: Periodically ensure all cables and connections are secure and free from damage.
- Software Updates: If software updates become available via the USB expansion port, follow the provided instructions carefully to ensure proper installation.
Troubleshooting
If you encounter issues with your XUDA CarPlay/Android Auto kit, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No display on car screen | Incorrect installation, loose connection, incompatible system. | Ensure the box is fully inserted into the Becker slot. Verify your car's NTG system version and Becker port presence. Restart the car. |
| No audio from CarPlay/Android Auto | Bluetooth audio off, incorrect AUX connection, car's audio source not set to AUX. | Check DIP switch 1 to ensure audio Bluetooth is ON. Confirm the AUX cable is properly connected and your car's audio input is set to AUX. |
| Wireless connection issues (CarPlay/Android Auto) | Bluetooth/Wi-Fi interference, phone settings, outdated software. | Ensure your phone's Bluetooth and Wi-Fi are enabled. Forget and re-pair the device on your phone. Check for any available software updates for the kit. |
| Voice control not responding | Microphone issues, software glitch. | Ensure your phone's voice assistant is active. Restart your phone and the car's infotainment system. |
If these steps do not resolve the issue, please contact customer support for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Product Name | Plug&Play Wireless Carplay Android Auto NAVI Decoder Kit |
| Model | NTG4.5 Becker W177 W204 |
| Dimensions (L x W x H) | 8.0 cm x 8.0 cm x 2.3 cm (approx. 3.15 in x 3.15 in x 0.9 in) |
| Connectivity | Wireless CarPlay, Wireless Android Auto, 2.4G/5.8G WiFi, Bluetooth 5.0, USB Expansion, AUX |
| Control Methods | Steering wheel controls, Touch control (vehicle dependent), Voice control |
| Supported Functions | CarPlay, Android Auto, Mirror Link, USB Flash Drive playback, GPS Navigation Apps |
| Power Input | 12V+ ACC |
| Video Input | Reversing video input |
| Origin | Mainland China |

Compatible Mercedes-Benz Models (NTG4.5 System)

| Model | Years |
|---|---|
| GLK-Class | 2012-2015 |
| Sprinter, Vito | 2013+, 2014+ |
| A-Class | 2012-2015 |
| CLS-Class | 2012-2014 |
| M-Class | 2011-2015 |
| VW Crafter etc. | 2013-2015 |
| B-Class | 2011-2014 |
| E-Class | 2011-2015 |
| SLK-Class | 2011-2016 |
| CLA-Class | 2013-2014 |
| C-Class | 2011-2015 |
| GL-Class | 2012-2016 |
Included Accessories
- 1 x Becker upgrade box
- 1 x USB & AUX Cable
User Tips
- Verify Compatibility: Always double-check your car's NTG system version and the presence of the Becker slot before purchasing and installing to ensure seamless integration.
- Wireless Convenience: Take full advantage of the wireless CarPlay and Android Auto features to keep your cabin clutter-free from cables.
- Audio Source: Remember to switch your car's audio source to AUX to hear sound from the CarPlay/Android Auto system.
- Voice Commands: Familiarize yourself with voice commands for a safer and more convenient driving experience.
Warranty and Support
This product comes with a standard manufacturer's warranty. For specific warranty details, duration, and terms, please refer to the product packaging or contact the seller directly. If you encounter any issues or require technical assistance, please reach out to XUDA Brand Store customer support. Provide your product model and a detailed description of the problem for efficient service.





