1. Product Overview
The MEKEDE Android Car Radio Stereo is a multimedia navigation system designed to integrate seamlessly into your Mercedes Benz W203 or W209 vehicle. It features a touch screen display, GPS navigation, Bluetooth connectivity, and support for Carplay and Android Auto, enhancing your driving experience with modern infotainment capabilities.

Figure 1: MEKEDE Car Radio installed in a Mercedes Benz W203 dashboard, displaying the CarPlay interface.

Figure 2: Front view of the MEKEDE Car Radio unit, displaying its main Android interface.
2. Setup and Installation
2.1 Package Contents
Please check the package for the following items:

Figure 3: Package Contents
- Main Head Unit
- Power Cable
- RCA Cable Set
- Reversing Camera (optional, may vary by package)
- GPS Antenna
- USB Cable
- External Microphone
- Radio Antenna Adapter
2.2 Installation Guide
This unit is designed for plug-and-play installation for compatible Mercedes Benz models. However, professional installation is recommended to ensure proper wiring and functionality.
- Preparation: Ensure the vehicle's ignition is off and the battery is disconnected before starting installation.
- Removal: Carefully remove the original car radio unit and trim panels.
- Wiring: Connect the provided power cable, RCA cables, GPS antenna, USB cables, and microphone to the corresponding ports on the new head unit and the vehicle's wiring harness. Ensure all connections are secure.
- Testing: Before fully reassembling, reconnect the battery and test the unit's basic functions (power on, radio, sound, display).
- Mounting: Secure the new head unit into the dashboard opening and reattach all trim panels.
For detailed wiring diagrams and specific installation steps, please refer to the comprehensive user manual PDF available at User Manual PDF.
3. Operating Instructions
3.1 Main Interface and General Operations
- Home Icon: Click to return to the main interface.
- Recent Programs Icon: Click to open recently run programs.
- Close Screen Icon: Click to close the screen, then click anywhere to resume.
- Back Icon: Press this button on any interface to return to the previous interface.
Status Bar Icons:
- USB Device Display: Indicates a USB device is connected.
- Time Display: Shows the current system time (e.g., 1:56).
- Bluetooth Connected: Highlighted when Bluetooth connection is successful.
- GPS Icon: Indicates GPS status.
- Network Connected: Highlighted when network connection is successful.
Other Operations:
- Drop-down Menu: Slide down from the top of the display screen to access system notifications, adjust brightness/volume, and open Settings (wireless network, etc.).
- Application Management: Long press an application icon on the main interface to move its location or delete it.
3.2 Radio Function
- Access: Click the radio icon. The radio includes FM1, FM2, FM3 bands.
- Band Switch: Click the icon to automatically switch bands.
- Search Stations: Click the 'Q' icon to search for stations.
- Browse/Save: Click the icon to browse or save radio stations.
- EQ Interface: Click the icon to enter the Equalizer settings.
- Fine Tune: Use forward/backward icons or drag the progress bar to manually search/fine-tune stations.
- Frequency Scale Bar: Displays the radio frequency.
- Local Setting: In Radio Settings, select 'Local Setting' to choose your region for radio frequencies.
- RDS (Radio Data System): Enable/disable RDS in settings. RDS provides additional information like station name, traffic announcements (TA), alternative frequencies (AF), and program type (PTY).
3.3 Music Playback
- Access: Click the music icon.
- Playlist/Favorites: View playlists, favorite lists, and recent playlists. Click the heart icon to collect songs.
- File Library: Click to view the music file library.
- Play Modes: Toggle between random, cyclic list, and single play modes.
- Controls: Play, pause, previous song, next song.
- Sound Effects: Click the sound effect icon to enter sound settings.
3.4 Video Playback
- Access: Click the video icon.
- Sources: Play video files from HD storage or USB devices. Swipe left/right to see video lists.
- Controls: Play, pause, previous video, next video.
- Zoom: Zoom in/out on the video.
- Progress Bar: Slide the playback progress bar to navigate to a desired time.
3.5 Bluetooth Function

Figure 4: Bluetooth Functionality
- Access: Click the Bluetooth icon.
- Connection: If not connected, the input field will show "Bluetooth is not connected". Click the settings button to enter the Bluetooth setting interface for pairing. Once connected, it will show "Bluetooth connected successfully".
- Interfaces: Access dialing, contacts, call recording, and collection interfaces.
- Call Handling: Dial numbers, hang up, answer calls.
- Audio Source: Switch call audio between car terminal and mobile terminal.
- Sync: Update call records and address book from mobile to car terminal.
3.6 Bluetooth Music
- Prerequisite: Mobile phone must be connected to the car via Bluetooth.
- Access: Click the Bluetooth music icon.
- Controls: Play, pause, previous song, next song.
3.7 Sound Settings
- Preset Effects: Select different types of preset sound effects.
- Customization: Adjust frequency bands, heavy bass, and surround sound.
- Reset: Restore sound effect settings to default.
- Boot Memory Volume: Set the volume range for when the unit starts up.
3.8 File Manager
- Browse: Query pictures, videos, audio files, and recent items.
- Manage: Download pictures, manage storage space, copy files to specified locations.
3.9 Steering Wheel Key Learning
- Select Button: Click "Select button" to choose a learning button.
- Assign Functions: Select functions like mode, power, navigation, volume, radio search, track control, play/pause, mute, Bluetooth, call answer/hang up, APP. Up to 12 buttons can be selected.
- Learn: Click "Start", select a function, then press the corresponding steering wheel button.
- Save/Restore: Save learned settings or restore to factory defaults.
3.10 Car Settings
- Network: Configure Wi-Fi connection, VPN, private DNS.
- Bluetooth: Pair new devices, manage connection preferences.
- Display: Adjust brightness (day/night), set wallpaper.
- Sleep: Configure hibernation aging and mode.
- Body Settings: Handbrake detection settings.
- Navigation Settings: Select third-party navigation apps, adjust navigation voice mixing ratio with other audio.
- Factory Settings: (For service use only, not customer operation).
- More Settings: System restart, restore factory settings (clears data), voice and input methods, date and time, sound volume adjustments.
- About the Machine: Display Android basic info, storage, hardware, and system info.
3.11 CP Link (CarPlay)
- CP Link supports wireless and wired CarPlay functionality.
- Wireless: Connect car's Bluetooth with iPhone, then enter CP Link app.
- Wired: Enter CP Link app, plug iPhone USB cable into the 4-pin USB port.
3.12 Android Auto
- Android Auto supports wireless and wired Android Auto functionality.
- Wireless: Connect car's Bluetooth with Android phone, then enter Android Auto app.
- Wired: Enter Android Auto app, plug Android phone USB cable into the 4-pin USB port.
4. Maintenance
To ensure the longevity and optimal performance of your MEKEDE car radio, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the screen and exterior. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Avoid abrasive cleaners or solvents.
- Temperature: Avoid exposing the unit to extreme temperatures (very hot or very cold) for extended periods.
- Moisture: Keep the unit dry. Do not expose it to water or other liquids.
- Software Updates: Periodically check for available software updates from the manufacturer to ensure optimal performance and access to new features.
5. Troubleshooting
If you encounter issues with your car radio, try the following basic troubleshooting steps:
- No Power: Check all power connections and the vehicle's fuse box. Ensure the unit is properly installed.
- No Sound: Check volume levels, mute settings, and speaker connections. Verify audio output settings.
- Touchscreen Unresponsive: Try restarting the unit. If the issue persists, a factory reset might be necessary (note: this will erase all user data).
- Bluetooth Connection Issues: Ensure Bluetooth is enabled on both the car radio and your mobile device. Delete previous pairings and try reconnecting.
- GPS Signal Loss: Ensure the GPS antenna is properly connected and has a clear view of the sky.
- System Freezes: Perform a system restart. If frequent, consider a factory reset.
For more complex issues, consult the full user manual PDF or contact customer support.
6. Specifications
| Brand Name | MEKEDE |
| Operating System | Android |
| RAM | 2 GB |
| ROM | 32 GB |
| Display Size | 7 inches |
| Resolution | 1024*600 |
| Out Power | 4*45W |
| Voltage | 12V |
| Item Weight | 1.8 kg |
| Item Size | 7 inch |
| Special Features | Built-In Speaker/Microphone, Wifi Function, Steering Wheel Control, Can-Bus Support, Built-in GPS, Mobile Phone Link, MP3 players, DSP, CarPlay, Android Auto, Reversing Input |
| Digital Media Format | Mp3, MP4, WMA, JPEG |
| OSD Language | Multi-language support including English, German, French, Spanish, Italian, etc. |
| Certification | CE, FCC |
| Material | Plastic and Metal |
7. Warranty and Support
7.1 Warranty
This MEKEDE car radio comes with a 1-year warranty from the date of purchase. The warranty covers manufacturing defects and malfunctions under normal use. It does not cover damage caused by improper installation, misuse, accidents, or unauthorized modifications.
7.2 Customer Support
For technical assistance, warranty claims, or any other inquiries, please contact the seller or MEKEDE customer support through the platform where the product was purchased. Please have your order number and product details ready when contacting support.
8. User Tips
- Regular Updates: Keep your system's software updated for the best performance and latest features.
- Backup Settings: Before performing a factory reset, note down any custom settings you wish to retain.
- Safe Driving: Always prioritize safe driving. Adjust settings and interact with the unit only when it is safe to do so, or when the vehicle is stationary.
- External Storage: Use high-quality USB drives or SD cards for media playback to ensure smooth performance.