1. Introduction
The EZonetronics Wireless CarPlay Android Auto Retrofit Kit is designed to integrate Apple CarPlay and Android Auto functionalities into your Mercedes Benz vehicle's existing infotainment system. This decoder box provides an OEM-like experience, utilizing your car's original display and controls, including the rotary controller and steering wheel buttons. It supports both wired and wireless connections for seamless smartphone integration.
2. Compatibility
This retrofit kit is specifically designed for Mercedes Benz vehicles equipped with NTG 5.0 or NTG 5.1 system head units, featuring 7.4”, 8.4”, or 12.3” screens.
Compatible Mercedes Benz Models:
- W176
- W246
- W218
- C117
- W212
- W216
- X156
- C253
Important: To ensure compatibility, please verify your vehicle's NTG system version and screen size. If unsure, consult with a professional installer or contact customer support with photos of your car's center console.
3. Package Contents
The standard package includes the following components:
- EZonetronics Decoder Box (RM-BZ3001W)
- Power Cable
- LVDS Cable (1 pc)
- WiFi Antenna
4. Setup and Installation
This kit is designed for plug-and-play, non-destructive installation, meaning no wire breaks are typically required. However, professional installation is highly recommended due to the complexity of integrating with vehicle electronics.
General Installation Steps (Consult a professional):
- Preparation: Ensure the vehicle's ignition is off and the battery is disconnected before starting installation.
- Access Head Unit: Carefully remove the vehicle's head unit or display to access the necessary connections.
- Connect Power Cable: Connect the provided power cable to the decoder box and the vehicle's power harness.
- Connect LVDS Cable: Disconnect the original LVDS cable from the head unit/display and connect it to the decoder box. Then, connect the LVDS cable from the decoder box to the head unit/display.
- Connect WiFi Antenna: Attach the WiFi antenna to the designated port on the decoder box.
- Optional Camera Connections: If installing aftermarket cameras, connect them to the RCA inputs on the decoder box.
- Secure Decoder Box: Find a suitable, secure location behind the dashboard to mount the decoder box.
- Reassemble: Carefully reassemble the vehicle's head unit and trim panels.
- Test Functionality: Reconnect the battery and test all functions of the retrofit kit.
Warning: Incorrect installation can damage your vehicle's electrical system or the retrofit kit. If you are not confident with the installation process, please seek professional assistance.
5. Operating Instructions
5.1 Switching Between Displays
You can switch between the original Mercedes Benz display and the CarPlay/Android Auto interface at any time using your vehicle's factory controls (e.g., a dedicated button or a long press on a specific button, as per your vehicle's specific setup).
5.2 Wireless CarPlay / Android Auto Connection
- Ensure your smartphone's Wi-Fi (2.4G or 5.8G) and Bluetooth are enabled.
- On your car's display, switch to the CarPlay/Android Auto interface.
- On your phone, search for and connect to the Bluetooth device named 'EzoneTronics' (or similar).
- Follow the on-screen prompts on your phone and car display to establish the wireless connection.
5.3 Wired CarPlay / Android Auto Connection
Connect your smartphone to the kit's USB port using a high-quality USB cable. The system should automatically detect your phone and launch CarPlay or Android Auto.
5.4 Mirror Link
The kit supports Mirror Link functionality, allowing you to mirror your smartphone's screen onto the car's display. Refer to your phone's specific instructions for activating screen mirroring and connecting to the kit.
5.5 USB Flash Drive Playback
Insert a USB flash drive containing media files into the kit's USB port. The system will detect the drive and allow you to browse and play audio or video files.
5.6 Control Methods
- Steering Wheel Controls: Utilize your vehicle's existing steering wheel buttons to navigate and control CarPlay/Android Auto.
- Rotary Controller: Use the factory rotary controller for menu navigation and selections.
- Touch Control: If your vehicle's screen supports touch input, you can use it directly with the CarPlay/Android Auto interface.
- Voice Control: Activate voice assistants like Siri (for CarPlay) or Google Assistant (for Android Auto) by saying "Hey Siri..." or the corresponding wake phrase.
5.7 Navigation and Media
Access popular GPS navigation applications such as Google Maps, Waze, and Apple Maps directly through CarPlay or Android Auto, complete with live traffic information. Enjoy your favorite music, podcasts, and audiobooks through various compatible apps.
5.8 Camera Function
The kit supports integration with both factory original reverse cameras and parking radar systems. Additionally, it allows for the connection of aftermarket reverse cameras and 360-degree camera systems via its 2 RCA inputs.
5.9 Audio Quality
Equipped with a built-in Digital Signal Processor (DSP), the unit offers fully adjustable Audio EQ for optimal sound quality.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the decoder box and connections. Avoid liquid cleaners.
- Connection Integrity: Periodically check all cable connections to ensure they are secure and free from damage.
- Software Updates: Check the manufacturer's website for any available firmware updates to ensure optimal performance and compatibility.
- Environmental Conditions: Ensure the decoder box is installed in a location protected from extreme temperatures, moisture, and direct sunlight.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No display/power | Loose power connection; incorrect wiring; blown fuse. | Check all power connections. Verify wiring according to the installation guide. Consult a professional. |
| CarPlay/Android Auto not connecting wirelessly | Bluetooth/Wi-Fi off on phone; incorrect pairing; interference. | Ensure phone's Bluetooth and Wi-Fi are on. Forget device and re-pair. Try wired connection. |
| No audio or poor audio quality | Incorrect audio source selected; volume too low; DSP settings. | Check car's audio input source. Adjust volume. Check DSP EQ settings. |
| Camera not displaying | Incorrect RCA connection; camera power issue; incompatible camera. | Verify RCA connections. Ensure camera is powered correctly. Check camera compatibility. |
| Controls (steering wheel/rotary) not working | Incorrect wiring; software glitch. | Recheck wiring connections to the head unit. Restart the car/system. |
If you encounter persistent issues, please contact customer support for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | RM-BZ3001W |
| Brand Name | EzoneTronics |
| Origin | Mainland China |
| System Compatibility | Mercedes Benz NTG 5.0, NTG 5.1 |
| Screen Size Compatibility | 7.4”, 8.4”, 12.3” |
| Wireless Connectivity | 2.4G & 5.8G WiFi, Bluetooth 5.0 |
| Supported Functions | CarPlay, Android Auto, Mirror Link, USB Flash drive playback |
| Audio Features | Built-in DSP, fully adjustable Audio EQ |
| Camera Inputs | 2 RCA inputs (for rear and right PAL/NTSC AHD cameras) |
| Dimensions (L x W x H) | 13.6 cm x 7 cm x 2.2 cm |
| Package Weight | 0.9 kg |
9. User Tips
- Verify Compatibility: Before purchasing or installing, always confirm that your Mercedes Benz model and NTG system (5.0 or 5.1) are compatible. Taking photos of your car's center console and sending them to customer support can help ensure a correct match.
- Professional Installation: While the kit is designed for plug-and-play, many users find professional installation beneficial to avoid potential wiring issues and ensure all features function correctly.
- Cable Management: During installation, ensure all cables are neatly routed and secured to prevent interference or damage.
- Firmware Updates: Periodically check for firmware updates from EZonetronics to enhance performance and add new features.
10. Warranty and Support
For warranty information, technical support, or any questions regarding your EZonetronics Wireless CarPlay Android Auto Retrofit Kit, please contact the seller or manufacturer directly. Ensure you have your product model number (RM-BZ3001W) and purchase details ready when seeking support.
