1. Product Overview
The Limcet Wireless CarPlay Android Auto Box is designed to upgrade your Mercedes-Benz NTG 4.0 head unit with wireless Apple CarPlay and Android Auto functionalities. This system allows seamless integration of your smartphone for navigation, music, communication, and other applications, enhancing your driving experience with modern infotainment features.
1.1 Compatibility
This product is compatible with Mercedes-Benz vehicles equipped with the NTG 4.0 Head Unit, specifically the SLS model years 2011-2014, with screen sizes between 5.8" and 7".
1.2 Key Features
- Wireless CarPlay & Android Auto: Seamlessly integrate your smartphone without cables.
- Plug and Play Installation: Designed for easy setup.
- Retains Original Car Functions: Supports OEM steering wheel controls, original car button control, voice assistant operation, reverse camera, and 360-degree imaging.
- Dual System Mode: Easily switch between the CarPlay/Android Auto interface and your car’s original system.
- Screen Mirroring: Project your phone screen (e.g., YouTube) onto the car display.
- USB Media Playback: Supports various audio and video formats (mp4/avi/mkv/rmvb/720p).
- Original Factory Backup Camera Support: Automatically switches when reverse gear is engaged.
- HDMI Connection: For external TV Box integration.
2. Product Specifications
| Feature | Specification |
|---|---|
| Main Chip Type | T113-S4 |
| Inner Core | Cortex™-A7 CPU |
| Main Frequency | Dual core 1.2G |
| Operating System | Linux 5.4 |
| ROM | 256Mb NAND flash |
| RAM | 2Gb |
| Startup Times | Two seconds |
| Bluetooth | BT5.0 |
| Wi-Fi | 2.4G Mhz + 5.8G Mhz Dual-band |
| Sound Processing | HIFI4 DSP |
| Voltage | 9-16V 14.1V |
| Current | <500MA |
| Stand by Current | <5MA |
| Temperature | -40 ~ +75 ℃ |
2.1 Package Contents
The product package includes the following items:
- 1x Limcet CarPlay Box
- 1x User Manual
- 1x Power Cable
- 1x LVDS Cable
- 1x Wi-Fi Antenna
3. Setup and Installation
Before installation, please ensure your car is turned off and the ignition is disengaged. It is recommended to consult a professional for installation if you are not familiar with car electronics.
3.1 Pre-Installation Check
Before placing an order or proceeding with installation, it is crucial to verify compatibility. Take a photo of your car’s head unit and provide your car model and production year to ensure you have the correct product version.
3.2 Connection Instructions
The following diagram illustrates the connection points for the Limcet CarPlay Box. Ensure all connections are secure.
- Power Cable: Connect the main power cable to the vehicle's power supply.
- USB Port: Connect the USB cable for media playback or wired CarPlay/Android Auto.
- Wi-Fi Antenna: Attach the Wi-Fi antenna for wireless connectivity.
- Check 12V Input: Ensure the 12V input is correctly connected.
- LVDS Output: Connect the LVDS output to the car's display.
- LVDS Input: Connect the LVDS input from the car's original head unit.
- AUX Output: Connect the AUX output if required for audio integration.
3.3 Initial Setup for Wireless CarPlay/Android Auto
- After physical installation, turn on your car's ignition.
- Plug the adapter into the USB port of the module harness (if using a wired CarPlay connection initially).
- On your iPhone, go to Bluetooth settings and pair with the device named "Limcet-Box".
- Once paired, wireless CarPlay will be activated. For Android Auto, follow similar pairing steps via Bluetooth.
- The system is designed to automatically connect to your paired smartphone when you start your car in the future.
4. Operating Instructions
4.1 Switching Between Systems
The Limcet box supports a dual system mode. You can easily switch between the CarPlay/Android Auto interface and your car’s original system with a simple tap on the screen or by using a designated button (refer to your car's specific controls for this function). Original car functions remain unaffected.
4.2 Using CarPlay and Android Auto
Once connected, you can access your favorite smartphone features directly on your car's display:
- Navigation: Use Apple Maps, Google Maps, Waze, or other supported navigation apps.
- Music & Audio: Play music from Spotify, Apple Music, YouTube Music, Amazon Music, Tidal, or other audio streaming services.
- Communication: Make calls, send and receive messages, and use apps like WhatsApp.
- Voice Control: Utilize Siri (for CarPlay) or Google Assistant (for Android Auto) for hands-free operation.
4.3 Screen Mirroring
The device supports screen mirroring, allowing you to display content from your smartphone (e.g., YouTube videos) directly on your car's screen. This feature can be activated through the CarPlay/Android Auto interface.
4.4 USB Media Playback
To play media from a USB drive, simply plug the USB into the designated port. The system supports playback of pictures, audio, and video formats such as mp4, avi, mkv, rmvb (up to 720p).
4.5 Backup Camera Integration
The system is designed to work with your original factory backup camera. No additional installation is required for this feature. The display will automatically switch to the backup camera view when reverse gear is engaged.
5. Maintenance
The Limcet Wireless CarPlay Box is designed for durability and requires minimal maintenance. Keep the unit free from dust and moisture. Avoid exposing it to extreme temperatures or direct sunlight for prolonged periods. Do not attempt to disassemble the unit, as this will void the warranty.
5.1 Cleaning
Use a soft, dry cloth to clean the exterior of the unit. Do not use harsh chemicals or abrasive cleaners.
6. Troubleshooting
If you encounter issues with your Limcet Wireless CarPlay Box, please refer to the following common problems and solutions:
- No Power:
- Check all power cable connections to ensure they are secure.
- Verify the vehicle's 12V power supply is active.
- No Display/Black Screen:
- Ensure the LVDS cables are correctly connected between the box and the car's display/head unit.
- Confirm the car's original head unit is functioning correctly.
- Wireless CarPlay/Android Auto Not Connecting:
- Make sure Bluetooth is enabled on your smartphone and it is paired with "Limcet-Box".
- Ensure Wi-Fi is enabled on your smartphone (CarPlay/Android Auto use Wi-Fi for data transfer after initial Bluetooth pairing).
- Try restarting both your smartphone and the car's infotainment system.
- Check if the Wi-Fi antenna is securely attached to the Limcet box.
- Poor Audio Quality:
- Verify all audio connections (e.g., AUX output) are properly seated.
- Check your car's audio input settings to ensure the correct source is selected.
- Ensure your smartphone's volume is adequately set.
- Controls Not Responding (Steering Wheel/Buttons):
- Confirm that the system is in the CarPlay/Android Auto interface mode.
- Ensure all wiring related to vehicle control protocols is correctly installed.
If the problem persists, please contact customer support for further assistance.
7. User Tips
- For optimal performance, ensure your smartphone's operating system is up to date.
- When experiencing connectivity issues, a simple restart of both the car's system and your phone can often resolve the problem.
- Utilize voice commands (Siri/Google Assistant) for safer interaction with the system while driving.
- Keep the USB port clear of debris to ensure reliable media playback and connectivity.
8. Warranty and Support
8.1 Warranty Information
The Limcet Wireless CarPlay Box comes with a 1-year manufacturer’s warranty covering any quality-related issues from the date of purchase. This warranty ensures that your product is free from defects in material and workmanship under normal use.
8.2 Customer Support
For technical assistance, warranty claims, or any other inquiries, please contact Limcet customer support:
Phone / WhatsApp: +86 19098588125
Please have your product model and purchase details ready when contacting support.
