Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your MekedeTech DUDUAUTO DUDU4 Android Screen. This advanced car multimedia head unit is designed specifically for Mercedes Benz E-Class W211, E200, E220, E300, E350, E240, and CLS models manufactured between 2002 and 2010. It features an Android 13 operating system, 9.5-inch in-cell screen, wireless CarPlay, and Android Auto capabilities, enhancing your driving experience with modern connectivity and entertainment options.
Please read this manual thoroughly before installation and use to ensure proper functionality and to maximize the benefits of your new head unit.
Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact customer support.
Figure 1: DUDUAUTO DUDU4 Package Contents
- Main Unit: The DUDUAUTO DUDU4 Android Screen.
- Power Cable + Canbus Box: For vehicle power and communication integration.
- Microphone (MIC): External microphone for hands-free calling and voice commands.
- RCA Cable: For audio/video input and output connections.
- Reversing Camera Cable: For connecting an optional reversing camera.
- USB Plugs (x3): For connecting USB devices.
- Fakra 4G Antenna: For 4G LTE connectivity.
- Fakra GPS Antenna: For GPS navigation functionality.
Setup and Installation
This section outlines the general steps for installing your DUDUAUTO DUDU4 head unit. Professional installation is recommended. Ensure the vehicle's power is disconnected before beginning installation.
Compatibility
The DUDUAUTO DUDU4 is designed for Mercedes Benz E-Class W211 (E200, E220, E300, E350, E240) and CLS models from 2002 to 2010. It integrates with existing factory features such as air conditioning controls and steering wheel controls.
Important Note:
If your vehicle is equipped with a factory amplifier, an additional extension cable or fiber optic box may be required to ensure proper sound output. Please consult with a professional installer or MekedeTech support for specific requirements.
Installation Overview
Figure 2: Before and After Installation Example
- Preparation: Disconnect the vehicle's battery. Carefully remove the original car radio and trim panels.
- Wiring Connections: Connect the provided power cable, Canbus box, RCA cables, and antenna cables to the corresponding ports on the DUDUAUTO DUDU4 unit and the vehicle's wiring harness. Refer to the wiring diagram for detailed connections.
- Antenna Installation: Install the Fakra 4G and GPS antennas in suitable locations, ensuring clear signal reception.
- USB and Microphone: Connect the USB cables and external microphone. Route the microphone to a convenient location for optimal voice pickup.
- Test Fit: Before fully securing the unit, temporarily connect the battery and perform a basic power-on test to ensure all connections are correct and the unit functions.
- Secure Unit: Mount the DUDUAUTO DUDU4 unit securely into the dashboard opening. Reinstall all trim panels.
- Final Test: Reconnect the battery and perform a comprehensive test of all functions, including audio, navigation, Bluetooth, CarPlay/Android Auto, and steering wheel controls.
Rear Panel Connections (DUDU4)
Figure 3: DUDU4 Rear Panel Connection Diagram
Refer to Figure 3 for a visual guide to the rear panel connections. Ensure each cable is securely connected to its designated port.
- Power Cable (G): Main power and vehicle integration harness.
- RCA Cable (B) with 4G Card Slot: Multi-purpose cable for audio/video and 4G SIM card insertion.
- 360 Panoramic Device (A): Optional input for 360-degree camera systems.
- Protocol Serial Use with Can-bus (F): Connects to the Canbus box for vehicle data communication.
- 4Pin USB (E) & 6Pin USB (D): USB ports for external devices.
- Reverse Video Cable (C): Input for a reversing camera.
- Radio Antenna (8): Connects to the vehicle's radio antenna.
- WIFI (7): Internal Wi-Fi antenna.
- GPS Antenna (6): Connects to the external GPS antenna.
- 4G Antenna (4): Connects to the external 4G antenna.
- Cooling Fan: Integrated cooling system for optimal performance.
Operating Instructions
Your DUDUAUTO DUDU4 head unit runs on Android 13, offering a familiar and intuitive user interface. Below are key operating features.
Power On/Off and Basic Navigation
- Power On: The unit will power on automatically when the vehicle's ignition is turned on.
- Power Off: The unit will power off automatically when the vehicle's ignition is turned off.
- Touchscreen Interface: Navigate through menus and applications using the responsive 9.5-inch in-cell touchscreen.
- Steering Wheel Controls: Utilize your vehicle's original steering wheel controls to adjust volume, change tracks, and answer calls.
Wireless CarPlay and Android Auto
The DUDUAUTO DUDU4 supports both wireless and wired CarPlay (for iOS devices) and Android Auto (for Android devices), allowing seamless integration of your smartphone's features.
Figure 4: Wireless CarPlay and Wired Android Auto Connection Guide
- Wireless CarPlay (iOS):
- Connect your iPhone to the head unit via Bluetooth.
- On the head unit, open the "Car Link" application.
- Wait for the connection to establish. CarPlay can also be connected via USB cable.
- Wired Android Auto (Android):
- Connect your Android phone to the head unit using a USB cable.
- On the head unit, open the "Car Link" application.
- Wait for the connection to establish.
Once connected, you can access navigation, make calls, send/receive messages, and play music directly from your phone's interface displayed on the head unit.
Bluetooth 5.0 Connectivity
The integrated Qualcomm 3031 Bluetooth 5.0 chip provides stable, high-quality audio streaming and hands-free calling with low power consumption. Pair your smartphone to the head unit via Bluetooth settings to enjoy these features.
4G LTE and Wi-Fi
Insert a 4G SIM card into the designated slot (on the RCA cable) to access the internet directly from your head unit. Alternatively, connect to a Wi-Fi hotspot for internet access. This enables online navigation, streaming, and app downloads.
DUDU OS 3.0 Interface
Experience the customized DUDU OS 3.0 with dynamic wallpapers and a user-friendly layout for various functions.
Figure 5: DUDU OS 3.0 User Interface Examples
- Navigation: Access pre-installed or downloaded navigation apps for real-time directions.
- Multimedia: Play music, videos, and access various media applications.
- Settings: Customize system preferences, display, audio, and connectivity options.
- Dynamic Wallpapers: Personalize your screen with custom dynamic wallpapers, including day and night modes.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your DUDUAUTO DUDU4 Android Screen.
- Screen Cleaning: Use a soft, lint-free cloth to gently wipe the screen. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Avoid harsh chemicals or abrasive materials.
- Software Updates: Periodically check for and install software updates to ensure you have the latest features, performance improvements, and security patches. These can usually be found in the system settings under "About device" or "System updates."
- Cable Connections: Ensure all cables remain securely connected. Loose connections can lead to intermittent functionality or signal loss.
- Environmental Care: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
- Ventilation: Ensure the cooling fan area is not obstructed to allow for proper heat dissipation.
Troubleshooting
If you encounter issues with your DUDUAUTO DUDU4 unit, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Loose power connection, blown fuse, vehicle battery issue. | Check power cable connections. Inspect vehicle fuses. Ensure vehicle battery is charged. |
| No sound output. | Incorrect wiring, amplifier compatibility issue, volume too low. | Verify all audio connections. If vehicle has an amplifier, ensure correct adapter/fiber optic box is used. Check volume settings. |
| CarPlay/Android Auto not connecting. | Bluetooth/USB connection issue, "Car Link" app not open, phone settings. | Ensure Bluetooth is on (for wireless) or USB cable is connected (for wired). Open "Car Link" app. Check phone's CarPlay/Android Auto settings. |
| GPS signal is weak or inaccurate. | GPS antenna improperly installed or obstructed. | Ensure GPS antenna has a clear view of the sky and is securely connected. |
| Touchscreen unresponsive. | Temporary software glitch, screen protector interference. | Restart the unit (turn vehicle ignition off and on). Remove any thick screen protectors. |
If the problem persists after trying these solutions, please contact MekedeTech customer support for further assistance.
Specifications
Below are the key technical specifications for the MekedeTech DUDUAUTO DUDU4 Android Screen.
General Specifications
- Model Name: MKD-DUDU4-4-64
- Operating System: Android 13
- CPU: 8 Core UIS8581A
- RAM: 4GB
- ROM: 64GB
- Screen Type: In-cell screen
- Display Resolution: 1280*720
- Touch Screen Type: Capacitive
- Bluetooth: Bluetooth 5.0 (Qualcomm 3031 chip)
- Wi-Fi: 802.11a/b/g/n/ac (Supports 5G Wi-Fi)
- GPS: 3 mode L1 B1 E1
- Radio IC: TDA4755
- Power Amplifier: TDA7838
- DSP: AK7604
- Work Voltage: 9V~16V
- Special Features: Wireless CarPlay, Wired Android Auto, 4G LTE support, 360 panoramic system support (optional).
Processor and Display
Figure 6: Powerful 8-Core UIS8581A CPU
The unit is powered by a powerful 8-Core UIS8581A Smart Cockpit chip, ensuring smooth performance for all applications.
Figure 7: 1280*720 In-Cell Screen
The 1280*720 in-cell screen technology enables clearer and more detailed images and videos, enhancing your visual experience.
DUDU Series Comparison (DUDU4, DUDU5, DUDU6, DUDU7)
Figure 8: DUDU Series Specification Comparison
For a comprehensive comparison of the DUDU4 model with other DUDU series units, refer to Figure 8. This table details differences in RAM/ROM, CPU, Android version, and other key features across the product line.
Warranty and Support
Warranty Information
Your MekedeTech DUDUAUTO DUDU4 Android Screen comes with a 1-Year Warranty from the date of purchase. This warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by improper installation, misuse, accidents, or unauthorized modifications.
Please retain your proof of purchase for warranty claims.
Customer Support
For technical assistance, troubleshooting, or warranty inquiries, please contact MekedeTech customer support. You can typically find contact information on the official MekedeTech website or through your purchase platform.
When contacting support, please have your product model (DUDU4-4-64) and proof of purchase readily available.