YEEHUNG FY-7L12

YEEHUNG 12.3 inch HD Car Radio Screen Instruction Manual

For Mercedes-Benz C Class W204 (2012-2015) with NTG4.5/4.7 System

1. Producto terminadoview

The YEEHUNG 12.3-inch HD Car Radio Screen is designed to upgrade the infotainment system in compatible Mercedes-Benz vehicles. It integrates modern features such as CarPlay and Android Auto while retaining the original vehicle's functions.

YEEHUNG 12.3 inch HD Car Radio Screen displaying CarPlay interface

Image 1.1: The 12.3-inch HD Car Radio Screen displaying the CarPlay interface.

Características principales:

  • Pantalla táctil IPS HD de 12.3 pulgadas (resolución de 1920 x 720)
  • Sistema operativo Linux
  • Conectividad Bluetooth 5.0
  • Supports Wired and Wireless CarPlay
  • Supports Wired and Wireless Android Auto
  • Funcionalidad Mirror Link
  • Compatible with OEM and aftermarket CVBS/720P AHD cameras
  • Reproducción de medios USB
Icons representing key features: CarPlay, Linux System, Bluetooth 5.0, Android Auto, CVBS/AHD, USB, Mirror Link, 1920x720 Resolution

Image 1.2: Visual representation of the screen's core features.

2. Configuración e instalación

2.1 Comprobación de compatibilidad

This unit is specifically designed for Mercedes-Benz C Class W204 models manufactured between 2012 and 2015, equipped with the NTG4.5/4.7 system. Before installation, verify your vehicle's year, model, and existing OEM system to ensure compatibility.

Compatibility graphic showing C Class W204 NTG 4.5 2012-2015

Image 2.1: Confirming vehicle year and model for compatibility.

2.2 Contenido del paquete

Verifique que todos los componentes estén presentes en el paquete:

  • 1 x 12.3 inch HD Car Radio Screen
  • 1 x Arnés de cableado ISO
  • 1 x cable USB
  • 1 x BC AMI Cable
  • 1 x W204 Base
  • 1 x Manual de instalación (este documento)
Diagram showing the screen dimensions and included accessories: ISO Wiring Harness, USB Cable, BC AMI Cable, W204 Base, and Installation Manual

Imagen 2.2: Contenido del paquete del producto.

2.3 pasos de instalación

Professional installation is recommended. Refer to vehicle-specific guides for dashboard disassembly. The following points are critical during installation:

  1. Adaptación de cable de fibra óptica: Properly adapt the 2-pin fiber optic cable to the original ISO plug. This is crucial for sound transmission.
Diagram illustrating how to connect the 2-pin optical fiber cable from the original CD unit to the Linux harness

Image 2.3: Fiber optic cable connection diagram.

  1. Gestión del cableado: The new harness may create a tight fit. Tape wires together and carefully route them to ensure the original radio unit can be reinstalled without obstruction.
  2. AUX Audio Connection: If your NTG4.5 system does not have an AUX menu, it must be activated. You will need to connect the audio output from the new screen to your car's AUX jack using either the provided AMI cable or the Audio out on the ISO cable, depending on your car's interface type.
Audio out cable connected to an AMI port

Image 2.4: Connecting 'Audio out' to AMI.

Audio out cable connected to an AUX IN port

Image 2.5: Connecting 'Audio out' to AUX IN.

  1. Activación AUX: Navigate to the system settings to activate the AUX input if it's not already enabled.
Screen menu showing 'AUX Activation' option highlighted

Image 2.6: AUX Activation menu in settings.

  1. Old Apple 30-pin Cable: If your car has an older 30-pin Apple cable in the glovebox or center console, unplug it from the OEM wiring harness. This cable can impede AUX sound through the new unit.
  2. USB Connection for Wired CarPlay/Android Auto: For wired CarPlay and Android Auto functionality, ensure you use the USB IN 1 port.
USB cables labeled 'USB-IN 1' and 'USB-IN 2'

Image 2.7: USB IN 1 for wired CarPlay/Android Auto.

  1. OEM Resolution Setting: Adjust the OEM resolution setting within the unit's menu to match your vehicle's original display resolution for optimal clarity.
Screen menu showing various NTG resolution options, with 'NTG4.0/4.5/4.7 800X480' highlighted

Image 2.8: Setting the OEM Resolution.

  1. Camera Type Setting: If installing a backup camera, configure the camera type (Original Camera or Aftermarket Camera) in the settings. The unit supports CVBS/720P AHD cameras.
Screen menu showing 'Original Camera' and 'Aftermarket Camera' options, with a sub-menu for 'set up', 'car settings', 'Reversing settings', and 'Camera type'

Image 2.9: Camera type selection in settings.

Before and after installation comparison showing the original small screen replaced by the larger 12.3 inch HD screen in a Mercedes-Benz C Class W204 dashboard

Imagen 2.10: Antes y después de la instalación view.

3. Instrucciones de funcionamiento

3.1 Cambio entre sistemas

The unit supports a dual system, allowing you to switch between the original OEM vehicle information display and the new CarPlay/Android Auto interface. This can typically be done via a dedicated button or a menu option on the screen.

Image showing a screen peeling back to reveal the new system over the old OEM system, illustrating the dual system functionality

Image 3.1: Switching between OEM and new system interfaces.

3.2 CarPlay y Android Auto

The screen supports both wired and wireless CarPlay and Android Auto. Connect your smartphone to access navigation, music, calls, and other compatible applications directly on the car's display. Control can be done via the touchscreen or the car's original knob.

Screenshots demonstrating wireless and wired CarPlay and Android Auto functionality on the 12.3 inch display

Image 3.2: CarPlay and Android Auto in operation.

3.3 Llamadas y música por Bluetooth

The unit supports OEM Bluetooth calls and music playback. For optimal call quality, ensure your car has both factory Bluetooth and Bluetooth audio. After setup, you may need to switch the call mode on your phone to utilize the OEM Bluetooth sound when using CarPlay or Android Auto.

Diagram showing OEM Bluetooth integration for calls and music with CarPlay and Android Auto

Image 3.3: OEM Bluetooth support for audio and calls.

3.4 Pantalla de la cámara de respaldo

The screen integrates with OEM and aftermarket backup cameras (up to 720P AHD format), displaying the camera feed and radar information when reversing.

Screen displaying a backup camera view with parking guidelines and radar information

Image 3.4: Backup camera display with radar information.

3.5 Manual AUX Switching

If you experience unstable sound when using the automatic AUX switching function, you can manually select the AUX input to achieve a more stable audio connection.

Screenshots demonstrating the steps to manually switch to AUX input in the NTG 4.5/4.7 system settings

Image 3.5: Manual AUX function operation settings.

4. Mantenimiento

To ensure the longevity and optimal performance of your YEEHUNG car radio screen, follow these maintenance guidelines:

  • Limpieza de pantalla: Use a soft, lint-free cloth specifically designed for electronics to clean the screen. Dampen the cloth lightly with water or a screen-safe cleaner if necessary. Avoid harsh chemicals, abrasive materials, or excessive moisture.
  • Eliminación de polvo: Regularly wipe down the unit and surrounding areas to prevent dust buildup, which can affect performance and aesthetics.
  • Actualizaciones de software: Busque actualizaciones de software disponibles del fabricante para asegurarse de tener las últimas funciones y correcciones de errores.
  • Evite temperaturas extremas: Do not expose the unit to extreme heat or cold for extended periods, as this can damage internal components.

5. Solución de problemas

If you encounter issues with your YEEHUNG car radio screen, refer to the following common problems and solutions:

  • No Sound or Unstable Audio:
    • Ensure the AUX menu is activated in your NTG4.5 system settings.
    • Verify the audio output cable is correctly connected to your car's AUX or AMI jack.
    • If using Auto AUX, try manually switching to the AUX input.
    • If an old 30-pin Apple cable is present in your car, ensure it is unplugged from the OEM wiring harness.
  • La cámara de respaldo no se muestra:
    • Check the camera type setting in the unit's menu to ensure it matches your installed camera (OEM or Aftermarket).
    • Verifique que todas las conexiones de la cámara sean seguras.
    • Ensure the camera format does not exceed 720P AHD, as higher resolutions are not supported.
  • Unit is Slow or Takes Long to Start:
    • This can sometimes occur. Ensure all background applications are closed if applicable.
    • Si el problema persiste, comuníquese con el servicio de atención al cliente para obtener más ayuda.
  • Screen Not Lighting Up / No Power:
    • Double-check all power connections and the ISO wiring harness.
    • Asegúrese de que el encendido del vehículo esté encendido.
    • If the unit remains unresponsive, it may indicate a hardware issue. Contact customer support.

For issues not covered here, or if troubleshooting steps do not resolve the problem, please refer to the Support section for contact information.

6. Especificaciones

CaracterísticaEspecificación
Número de modeloFY-7L12
Tamaño de la pantalla12.3 pulgadas
Resolución de pantalla1920x720
Sistema operativoLinux
Tecnología de conectividadBluetooth, USB, Wi-Fi
Versión de Bluetooth5.0
Características especialesBuilt-In Bluetooth, Touchscreen, CarPlay, Android Auto, Mirror Link
Dispositivos compatiblesTeléfono inteligente
Modo de salida de audioEstéreo
Configuración de canales de sonido envolvente5.0
Codificación de vídeoH.264, H.265/HEVC
Número de canales5
Peso del artículo6.23 libras
Dimensiones del producto12.83 x 0.98 x 5.67 pulgadas
Funciones no admitidasAftermarket cameras exceeding 720P AHD format, 4G network

7. Información de garantía

YEEHUNG provides the following warranty coverage for this product:

  • Within 1 Month of Purchase: Free returns are available according to Amazon's return policy. Contact Amazon Buyer Services before initiating a return.
  • 1 to 12 Months After Purchase: Free warranty service is provided for non-human damage. The customer is responsible for the cost of shipping the product back and forth within the U.S.
  • After 1 Year of Purchase: Repair service is available. In addition to paying for postage within the U.S., customers will be responsible for additional parts replacement and labor costs.

8. Soporte

For any questions, concerns, or technical assistance, please contact YEEHUNG customer support. To expedite assistance, clearly describe your issue and provide relevant details such as your vehicle model, year, and OEM system.

  • Consultas de compatibilidad: If you are unsure about product fitment, send a photo of your car's dashboard and the model year to customer support for verification.
  • Tiempo de respuesta: El servicio de atención al cliente tiene como objetivo responder dentro de las 24 horas.

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