NINETOM 12.3" Ultra-Narrow Wireless CarPlay Android Auto Screen Instruction Manual

1. Product Overview

This NINETOM 12.3-inch Ultra-Narrow Touchscreen is designed to upgrade the infotainment system in compatible Mercedes-Benz vehicles. It features a high-definition 1920×720 IPS display with ultra-narrow bezels and a premium aluminum body. The unit runs on a Linux system, ensuring stable performance. It integrates wired and wireless CarPlay and Android Auto, allowing access to navigation, calls, messages, and music. The system retains all original car functions and offers dual-system switching between the Linux interface and the vehicle's original system.

Compatibility: This touchscreen is compatible with Mercedes-Benz GLA-Class, CLA-Class, G-Class, and A-Class C117/X117/X156 models (2016–2018) equipped with NTG 5.0/5.1/5.2 systems. It is not compatible with other NTG versions.

Image: The NINETOM 12.3-inch Ultra-Narrow Touchscreen seamlessly integrated into a Mercedes-Benz dashboard, displaying the CarPlay interface.

2. Package Contents

The product package includes the following items:

• 1x 12.3" Ultra-Narrow Touchscreen
• 1x Power Cable
• 1x LVDS / USB Cable

Image: A visual representation of the 12.3-inch screen's dimensions and the included power and LVDS/USB cables.

3. Installation Guide

Professional installation is recommended for this product. Ensure all functions are tested before reassembling the dashboard. Incorrect cable connections or settings are common issues that can be resolved with careful attention.

3.1. Optical Fiber Cable Installation

Follow these steps to correctly install the optical fiber cable:

1. Unplug the original power cable from the head unit.
2. Remove the original optical fiber cable from its connector.
3. Connect the male connector of the original power cable to the female connector of the new power cable.
4. Connect the male connector of the new power cable to the female connector of the original car host power supply.
5. Identify the correct position for the optical fiber cable interface on the new power connector.
6. Plug the optical fiber cable into the new harness.

3.2. Compatibility Check

Before installation, verify your car's NTG system version to ensure compatibility. Refer to the image below for guidance on identifying compatible systems.

Image: Visual guide to determine if your Mercedes-Benz NTG system is compatible with the NINETOM screen, distinguishing between NTG 5.0, 4.5, 4.7, and 4.0.

4. Operating Instructions

4.1. System Switching

The unit features a dual-system design, allowing you to switch between the Linux interface and your vehicle’s original system. Simply long-press the "OEM Car Info" button to switch freely.

Image: A visual guide showing the process of switching between the new Linux system and the original vehicle interface.

4.2. Wireless CarPlay / Android Auto Connection

The screen supports both wired and wireless CarPlay and Android Auto. To connect wirelessly, ensure your phone's Wi-Fi and Bluetooth are enabled, then search for the device's Bluetooth name (e.g., "CAR-BT-XXXX") and pair. Follow the on-screen prompts to allow syncing and use the CarPlay/Android Auto function.

4.3. Screen Resolution Settings

To ensure proper display of the OEM system, it is crucial to set the correct screen resolution. Navigate to Setup -> Car Settings -> Original Car's Screen Resolution and select a resolution compatible with your original vehicle screen. Incorrect settings can lead to display issues.

4.4. Boot Logo Customization

You can customize the boot logo of your NINETOM screen:

1. Create a PNG image with a resolution of 1920×720P.
2. Rename the file to updatelogo.png.
3. Place the file in the root directory of a USB drive.
4. Insert the USB drive into the system — a prompt will appear asking you to confirm the logo change.
5. Restart the system for the new logo to take effect.

Image: A step-by-step visual guide for customizing the boot logo of the NINETOM screen.

5. Key Features

• Upgraded 12.3" HD Touchscreen: Features a 1920×720 IPS display with ultra-narrow bezels and a premium aluminum body. IN-CELL full lamination technology enhances clarity and reduces glare by up to 75%.
• Retains Original Functions: Preserves all factory functions including radio, amplifier, steering wheel controls, mouse knob, speedometer, fuel/oil indicators, safety alerts, and the original reversing camera.
• Day and Night Mode: Automatic light sensitivity adjusts the display's day and night mode according to your car's original headlights for optimal visibility.

Image: A visual comparison illustrating the narrow bezel design of the NINETOM screen against a previous generation wide bezel design.

Image: Demonstrating the superior 1920x720P resolution of the NINETOM screen compared to lower resolution alternatives.

Image: Illustrating the benefits of a full lamination screen with no air gap, offering better light transmission and clearer visuals compared to older designs.

Image: The NINETOM 12.3-inch Ultra-Narrow Touchscreen, showcasing its sleek design and integration within a Mercedes-Benz C-Class interior.

Image: A close-up view of the NINETOM 12.3-inch Ultra-Narrow Touchscreen, emphasizing its ultra-thin profile and minimal bezels.

6. Specifications

7. Troubleshooting

If you encounter any issues during installation or operation, please review the installation steps carefully. Many issues stem from incorrect cable connections or improper settings. Ensure the correct screen resolution is selected for your original vehicle system. For persistent problems, refer to the support information in the next section.

8. Warranty and Support

The NINETOM 12.3" Ultra-Narrow Wireless CarPlay Android Auto Screen comes with a 1-Year Warranty. Installation does not damage your original wiring or affect your factory warranty.

For installation assistance or any product-related inquiries, you can contact the NINETOM support team. Our team is experienced and ready to assist you before and after your purchase, ensuring every product is reliable, high-performing, and easy to install.

Image: NINETOM brand logo.