1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Erisin 12.3-inch Android 14 Car Radio. This unit is specifically designed for Mercedes Benz E-Class W207, C207, and A207 models from 2009-2012 equipped with the NTG 4.0 system. Please read this manual thoroughly before use to ensure proper functionality and to avoid damage.
Image: Erisin 12.3-inch Android 14 Car Radio for Mercedes Benz E-Class W207 C207 A207 NTG 4.0.
2. Package Contents
Verify that all items listed below are included in your package:
- 1x Erisin 12.3-inch Android 14 Car Radio Unit
- 1x English Instruction Manual
- 1x Power Cable
- 1x USB Connection Cable
- 1x Mounting Bracket and Screws
- 1x Mini Speaker for Satellite Navigation Audio
- 1x 4G/WiFi Antenna
- 1x GPS Antenna
3. Compatibility Check
Before installation, confirm your vehicle's system type. This unit is compatible with Mercedes Benz E-Class W207, C207, A207 models (2009-2012) that feature the NTG 4.0 system.
Image: Visual guide to confirm your car's original system (NTG 4.0, 4.5, 5.0).
Refer to the image above to identify your car's system. The NTG 4.0 system typically has a 10-pin connector and a 'C' or 'CLR' button on the right side of the original radio unit. Incompatible systems (NTG 4.5, 4.7, 5.0, 5.1, 5.2) have different pin configurations (4-pin) and button layouts.
4. Installation
Professional installation is recommended. Ensure the vehicle's power is disconnected before beginning installation. Follow the wiring diagram and installation video for guidance.
4.1 Wiring Diagram
Image: Comprehensive wiring diagram for the Erisin car radio.
The diagram illustrates connections for power, USB, AUX, GPS, 4G/WiFi antennas, and CAN-Bus. Pay close attention to the NTG 4.0 specific connections. If your car has a 2pin Fiber-Optic protocol connector, ensure proper connection to avoid audio issues.
4.2 Installation Video
For a visual guide, refer to the official installation video:
Video: Step-by-step installation guide for the Erisin car radio. This video demonstrates the physical installation process.
5. Setup
5.1 Initial Power On
After installation, turn on your vehicle's ignition. The unit should power on automatically. Follow any on-screen prompts for initial setup, such as language selection and time zone.
5.2 Network Connection
Connect to a Wi-Fi network or insert a 4G SIM card (if using the optional 4G module) to enable online features, app downloads, and online navigation.
Image: Dual-band Wi-Fi (2.4GHz/5GHz) for internet access.
6. Operating Instructions
This section details the various functions and how to operate your Erisin car radio.
6.1 Retaining Original Car Functions
The unit is designed to integrate seamlessly with your vehicle's existing systems, retaining key original functions:
- COMAND System Control: The original COMAND knob remains functional for navigating the original system's menus. Note: Some APKs installed in the Android system may not support COMAND control.
- Steering Wheel Control: Control volume, track changes, and answer calls directly from your steering wheel. Both original and Android systems support this.
- Original HiFi Audio System: The unit utilizes your car's original HiFi audio system. Audio from the Android system can be routed via the AUX input. An AMI-AUX adapter (Erisin ES263 compatible) may be required if your car lacks an AUX input.
- Original Radio/CD Player: Access and use your original radio and CD player functions. The new screen will display the original radio/CD menu.
- Original Rear View Camera Display: If your vehicle has an original rear view camera, its feed will be displayed on the new screen when reversing.
Image: Retained original car functions including COMAND, steering wheel control, amplifier, radio/CD, Bluetooth, and rear camera.
6.2 Android System Features
The unit runs on Android 14.0, powered by a Qualcomm Snapdragon 668S 8-Core processor with 8GB RAM and 128GB ROM, providing a responsive and powerful user experience.
6.3 Display
The 12.3-inch Ultra HD MIPI IPS display features a 2K Quad HD resolution of 2400*900 pixels and a 2.5D G+G touchscreen for clear visuals and smooth interaction.
Image: 12.3-inch IPS MIPI Full Screen 2K display features.
6.4 Bluetooth 5.1
Connect your smartphone via Bluetooth 5.1 for hands-free calling, contact synchronization, and audio streaming (BT-Music).
Image: Bluetooth 5.1 features including hands-free calls and music streaming.
6.5 GPS Navigation
Utilize the built-in GPS module for navigation. Download online GPS apps like Waze, Sygic, or use offline maps. The unit supports split-screen functionality, allowing navigation while using other apps.
Image: GPS Navigation with support for various map applications.
6.6 Apple CarPlay & Android Auto
The unit supports both wired and wireless Apple CarPlay and Android Auto. Connect your iPhone via Bluetooth for CarPlay or your Android phone via USB for Android Auto to access phone functions, music, and navigation apps.
Image: Integrated Apple CarPlay and Android Auto interfaces.
For a detailed guide on connecting CarPlay and Android Auto, refer to the following video:
Video: Connection guide for Apple CarPlay and Android Auto.
6.7 DSP Audio System
An integrated DSP (Digital Signal Processor) amplifier provides enhanced audio quality. Use the 16-band equalizer to customize sound settings to your preference.
Image: DSP System interface for audio customization.
6.8 Split Screen Function
The split-screen feature allows you to run two applications simultaneously, such as navigation and music playback, or a video and another app.
Image: Split Screen functionality.
6.9 Car Info Display
Access real-time vehicle information directly on the unit's display, including speed, RPM, and other relevant data.
Image: Car Info Display showing vehicle data.
6.10 Other Features
- DAB+ Support: Enjoy high-quality digital audio broadcasting with an optional DAB+ module.
- DVR Support: Connect a compatible DVR (Digital Video Recorder) for recording driving footage.
- TPMS Support: Integrate with a Tire Pressure Monitoring System for real-time tire pressure data.
- USB Ports: Two USB ports support external storage up to 256GB.
7. Maintenance
To ensure the longevity and optimal performance of your Erisin car radio, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the screen and unit. Avoid abrasive cleaners or solvents.
- Software Updates: Periodically check for and install software updates to ensure the system runs efficiently and has the latest features.
- Temperature: Avoid exposing the unit to extreme temperatures.
8. Troubleshooting
If you encounter issues, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Incorrect wiring, blown fuse | Check power connections and vehicle fuses. Ensure proper CAN-Bus connection. |
| No sound | Incorrect audio input selection, volume too low, fiber-optic issue | Verify AUX input is selected. Check volume levels. Ensure fiber-optic cables are correctly connected if applicable. |
| GPS not working | GPS antenna not connected, poor signal, software issue | Ensure GPS antenna is securely connected and has a clear view of the sky. Restart the unit. |
| CarPlay/Android Auto not connecting | Incorrect connection method, phone settings, software issue | Ensure correct wired/wireless connection. Check phone settings for CarPlay/Android Auto. Refer to the connection video in Section 6.6. |
| Touchscreen unresponsive | Temporary software glitch, physical damage | Restart the unit. If the problem persists, contact support. |
If these solutions do not resolve the issue, please contact Erisin customer support.
9. Specifications
Detailed technical specifications for the Erisin 12.3-inch Android 14 Car Radio:
- Model Number: ES46E40L
- Operating System: Android 14.0
- Processor: Qualcomm Snapdragon 668S, 8-Core (2* A75 + 6* A55 @ 2.0GHz)
- RAM: 8GB
- ROM: 128GB
- Display: 12.3-inch IPS MIPI Screen, 2K Quad HD (2400*900 pixels), 2.5D G+G Touchscreen
- Connectivity: Bluetooth 5.1, Dual-band Wi-Fi (2.4GHz/5GHz), 4G (optional module), USB, AUX, Ethernet
- GPS: Built-in GPS Navigation
- Smartphone Integration: Wired & Wireless Apple CarPlay, Wired & Wireless Android Auto
- Audio: Built-in DSP Amplifier, 16-band Equalizer, Stereo Output
- Video Decoding: H.264, H.265/HEVC
- Special Features: Can-Bus Decoder, Split Screen, Steering Wheel Control Support, COMAND Button Support, DAB+ Support (optional), DVR Support (optional), TPMS Support (optional)
- External Storage: 2x USB ports, supports up to 2*256GB external memory
10. Warranty and Support
Warranty: This product comes with a 1-year warranty in Germany.
Customer Support: For technical assistance, troubleshooting, or warranty claims, please contact Erisin customer support through your purchase platform or the official Erisin website.
