1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Hexinex Android 15 Car Radio. Please read this manual thoroughly before using the product to ensure proper function and safety. This car radio is designed exclusively for Mercedes Smart Fortwo 453 models manufactured between 2014 and 2020.
Important Note: This unit is not compatible with original car head units that feature a touchscreen. If you are unsure about compatibility, please provide images of your dashboard and steering wheel controls for verification.
Image 1.1: Overview of the Hexinex Android 15 Car Radio and its main features.
2. Package Contents
Verify that all items listed below are included in your package:
- Car Radio Unit
- Power Connector
- RCA Connector
- CanBus Decoder
- External Microphone
- GPS Antenna
- USB Cable (4/6 PIN)
- Removal Keys
- Installation Tools
- Radio Antenna
- Camera Kit (if included with your specific purchase)
- User Manual (this document)
Image 2.1: All components included in the Hexinex Car Radio package.
3. Setup and Installation
Professional installation is recommended. Ensure the vehicle's power is disconnected before beginning installation.
3.1. Compatibility Check
This car radio is designed for Mercedes Smart Fortwo 453 models (2014-2020). It is compatible with vehicles that have the original low-profile radio unit without a touchscreen. It is not compatible with vehicles equipped with the original high-end touchscreen unit.
Image 3.1: Visual guide for dashboard compatibility. Green check indicates compatibility, red cross indicates incompatibility.
3.2. Wiring Diagram
Refer to the following diagram for correct wiring connections. Ensure all connectors are securely attached.
Image 3.2: Comprehensive wiring diagram for the car radio installation.
3.3. Steering Wheel Controls Connection
The unit includes a CanBus decoder. Connect the CanBus and the 8-PIN white connector correctly. Steering wheel controls will function automatically without manual configuration.
Image 3.3: Connection details for automatic steering wheel control functionality.
4. Operating Instructions
4.1. Basic Functions
- Power On/Off: Press and hold the power button.
- Volume Control: Use the physical buttons or touchscreen controls.
- Navigation: Access the main menu to select desired applications.
4.2. CarPlay and Android Auto
The car radio supports both wired and wireless CarPlay and Android Auto without requiring additional dongles.
- Wireless Connection: Connect your iPhone or Android phone to the car radio via Bluetooth and Wi-Fi, then access the "ZLINK" application.
- Wired Connection: Connect your iPhone to the car radio using the original iPhone USB cable (use a 4-pin cable for Android). Access the "ZLINK" application.
Note: Some Android smartphone models may not be compatible with Android Auto due to manufacturer limitations. Connection issues in such cases are attributable to phone incompatibility.
Image 4.1: CarPlay and Android Auto interfaces and connection methods.
4.3. GPS Navigation
The unit integrates an online navigation application. With the GPS antenna installed and an active internet connection, you can use real-time maps, traffic alerts, speed limit warnings, and alternative routes.
- GPS antenna is included.
- Ability to download online navigation apps like Waze Maps, Google Maps, etc.
- Real-time traffic information, traffic lights, speed limit warnings, etc.
Image 4.2: GPS Navigation features and interface.
4.4. Bluetooth Functionality
The car radio features single-channel Bluetooth 5.0 technology.
- Connects to a single Bluetooth device.
- Supports hands-free calling, Bluetooth music playback, and phonebook synchronization.
Note: If CarPlay or Android Auto functions are active, Bluetooth cannot be used for media playback. Hands-free calling and music playback remain available via CarPlay/Android Auto.
Image 4.3: Bluetooth interface for calls and music.
4.5. FM RDS Radio
The car radio includes FM RDS functionality. The radio antenna is included.
- FM radio displays only the station frequency (e.g., FM 88.8).
- RDS radio can display digital station names (e.g., "Music").
- Audio power: 4*35W.
To display digital radio station names, a separate DAB+ adapter with a USB port must be purchased to enable advanced digital signal reception.
Image 4.4: FM RDS radio interface.
4.6. Wi-Fi and Android OS
The unit operates on Android 15 with 2GB RAM and 64GB internal storage. It features Wi-Fi connectivity.
- Connect to Wi-Fi networks.
- Download various applications from online stores.
Image 4.5: Android OS and Wi-Fi features.
4.7. Reverse Mode and Split Screen
The unit supports a reverse camera input (camera not included) and a split-screen function.
- Reverse Mode: Automatically displays the rear view when the vehicle is in reverse (requires compatible camera installation).
- Split Screen: Allows two applications to run simultaneously on the display.
Image 4.6: Reverse mode and split-screen functionality.
5. Maintenance
To ensure the longevity and optimal performance of your car radio, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the screen and physical buttons. Avoid abrasive cleaners or solvents.
- Software Updates: Periodically check for software updates to ensure the system runs efficiently and securely. Follow instructions provided by the manufacturer for updates.
- Environmental Conditions: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.
- Cable Connections: Ensure all cables are securely connected and free from damage. Loose connections can lead to intermittent functionality.
6. Troubleshooting
This section addresses common issues you might encounter. If problems persist, contact customer support.
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Loose power connection, blown fuse, vehicle battery issue. | Check power cables and fuse. Ensure vehicle battery is charged. |
| No sound. | Volume too low, mute activated, speaker wiring issue. | Increase volume. Check mute setting. Verify speaker connections. |
| CarPlay/Android Auto not connecting. | Incorrect connection method, phone incompatibility, app issues. | Ensure correct wired/wireless connection. Check phone compatibility. Restart phone and car radio. |
| Steering wheel controls not working. | CanBus or 8-PIN connector not properly installed. | Verify CanBus and 8-PIN white connector are securely attached. |
| GPS signal lost or inaccurate. | GPS antenna not properly installed or obstructed. | Ensure GPS antenna is installed correctly and has a clear view of the sky. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Hexinex |
| Model Number | B0FCFSNPFS (GTIN: 735851926994) |
| Operating System | Android 15 |
| Memory (RAM + ROM) | 2GB RAM + 64GB ROM |
| Display Size | 8 Inches |
| Connectivity Technology | Bluetooth 5.0, Wi-Fi |
| Special Features | Android Auto (wired/wireless), Apple CarPlay (wired/wireless), GPS Navigation, FM RDS Radio, Steering Wheel Control Compatibility (CanBus included), Reverse Mode, Split Screen |
| Compatible Devices | Mercedes Benz Smart 453 Fortwo (2014-2020) |
| Total HDMI Ports | 1 |
| Audio Output Mode | Stereo, Mono |
| Audio Output Type | Speakers, Headphones |
| Country of Origin | China |
8. Warranty and Support
Warranty: This product 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.
Customer Support: For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact Hexinex customer support through the retailer where the product was purchased. Please have your purchase receipt and product model number ready when contacting support.