1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your szlelv Android Auto Multimedia Car Radio. This intelligent navigation system is designed to enhance your driving experience with advanced features like wireless CarPlay, Android Auto, GPS navigation, Bluetooth connectivity, and a high-definition display. Please read this manual thoroughly before installation and use to ensure proper functionality and safety.
Image: The szlelv Android Auto Multimedia Car Radio displaying its main interface with Android 13, highlighting key features like 4/8 Core processor, DSP, 1024x600px resolution, Wireless CarPlay, and Android Auto.
2. Safety Information
- Always ensure your vehicle is turned off and the battery is disconnected before performing any installation or maintenance.
- Do not attempt to operate the device in a way that distracts you from driving.
- Avoid exposing the unit to extreme temperatures, moisture, or direct sunlight for prolonged periods.
- Use only approved accessories and cables.
- It is highly recommended to have the unit installed by an authorized technician to prevent damage to the product or your vehicle.
3. Package Contents
Please check the package for the following items:
Image: A visual representation of the head unit's dimensions (138mm x 280mm) and the various accessories included in the package.
- Main Head Unit (9-inch display)
- Power Cable
- RCA Cables
- Canbus Decoder
- GPS Antenna
- Radio Antenna
- Reversing Line
- USB Line
- 4G Antenna (for 8581 models only)
4. Installation
4.1. Vehicle Compatibility Check
This unit is compatible with Mercedes Benz R Class W251 R280 R300 R320 R350 R450 R500 R63 models from 2006-2012. It is also compatible with Benz ML Class (W164) 2005-2012 and Benz GL Class (X164) 2005-2012.
Before purchasing and installing, carefully check the appearance of your original car radio and center console. If you are unsure about compatibility, please provide a photo of your original car dashboard and its connector to the seller for verification.
Image: Demonstrates the appearance of the original car radio and the new unit after installation in a compatible Mercedes Benz R Class vehicle.
4.2. Pre-installation Notes
Important:
- If your car has an optical fiber cable (as shown in the image below), you will need to purchase an extension cable separately.
- If your original car connector is designed for an amplifier sound system, you will need to purchase an "optical Fiber box" to ensure proper audio output.
Image: Illustrates specific car connectors and the required optical fiber box or extension cable for certain vehicle configurations.
4.3. General Installation Advice
The installation process involves working with your vehicle's electrical system and dashboard components. For optimal results and to avoid potential damage, it is strongly recommended to:
- Read the user manual carefully before attempting installation.
- Invite an authorized technician to handle the installation.
5. Operating Instructions
5.1. UI Interface and Switching Methods
The user interface (UI) may vary depending on the specific model (JAC, T100, 8581). The switching method for UIs is as follows:
- JAC Models: Long press a blank area on the screen with one finger to switch the UI.
- T100/8581 Models:
- Click "Theme" to enter the wallpaper switching page.
- Click on the top right corner to download new themes/wallpapers.
Image: Displays various UI configurations for different models (JAC, T100, 8581) and instructions for switching between them.
5.2. CarPlay & Android Auto
Connect your smartphone via Bluetooth to easily use apps like GPS, Spotify, YouTube, and voice control directly on the car radio. This unit supports both wireless Apple CarPlay and Android Auto.
Image: Illustrates the seamless integration of a smartphone with the head unit using CarPlay or Android Auto, allowing access to phone apps.
5.3. Bluetooth Connectivity
The unit supports Bluetooth versions 4.0, 5.0, and 5.4 depending on the model (JAC: 4.0/5.0, T100: 5.4, 8581: 5.0). Use Bluetooth for:
- Hands-free calling (Call Records, Quick Connect)
- Bluetooth Music streaming (BT Music)
Image: Shows the Bluetooth interface on the head unit and a mobile phone, detailing options for call records, quick connect, and music playback.
5.4. Steering Wheel Control
Control music playback and manage hands-free calling directly from your vehicle's steering wheel controls. This feature ensures safety and allows you to focus on the road ahead.
Image: Highlights the steering wheel control functionality, allowing drivers to manage audio and calls without taking their hands off the wheel.
5.5. Split Screen Functionality
Run two applications simultaneously on the screen. For example, you can watch movies while using GPS navigation, enhancing convenience and entertainment.
Image: Demonstrates the split-screen feature, showing a video player and a navigation map running concurrently on the display.
5.6. GPS Car Navigation
The unit supports Google Igo Map and other navigation applications. Enjoy real-time updates for online conditions and support for offline maps, making driving faster and more enjoyable.
Image: Shows the GPS navigation system in action, with a map guiding a vehicle on a road.
5.7. FM/AM RDS Radio
The radio supports automatic and manual station searching. You can drag and drop target stations to rearrange them in your channel list.
Image: Displays the FM radio interface for different models (JAC, T100, 8581), showing frequency tuning and station lists.
5.8. WiFi/4G Connection
Connect to WiFi or 4G networks (4G available on 8581 models) to access online maps and other internet-dependent features. The transmission speed depends on your network signal strength. For enhanced signal, it is recommended to install a rearview camera cable.
Image: Shows signal strength comparisons for WiFi and WiFi+4G, along with a tip to use a rearview camera cable to improve signal.
5.9. Reverse Camera Input
The unit supports AHD Ultra Clear Reverse Image input, providing a clearer picture and quickly switching to the reverse view when shifting gears.
Image: Illustrates the reverse camera input feature, showing a camera and the clear, guided view on the head unit screen.
6. Specifications
6.1. General Specifications
| Feature | Description |
|---|---|
| Brand Name | szlelv |
| Din | Double Din |
| Operating System | Android |
| RAM | 6G (available in some configurations) |
| ROM | 128G (available in some configurations) |
| Out Power | 4*45W |
| Voltage | 12 V |
| Item Weight | 1.7kg |
| Item Size | 9inch (280mm x 138mm) |
| Resolution | 1024*600 |
| Display Size | 9" |
| Max External Memory | 128G |
| Material Type | Plastic and metal |
| Certification | CE, RoHS |
| Special Features | Wifi function, Support steering wheel control, Support 3G/4G Network, Support Can-Bus, Built-in GPS, Charger, Mobile Phone, MP3 players, DSP, CarPlay, Android Auto, Reversing Input, Split Screen |
| Digital Media Format | Mp3, MP4, WMA, JPEG |
| OSD Language | Multi-language support including English, Chinese, Arabic, German, French, Spanish, Russian, Portuguese, Japanese, Korean, etc. |
| Interface | Plug and play |
| Built-in Screen | Yes |
| Is touch screen | Yes |
| Built-in CD player | No |
6.2. Model-Specific Parameters
Image: A detailed table comparing RAM+ROM, Chip, CPU, Network, BT, Sound Effect, Amplifier, FM, Mirror Link, and Platform across JAC, T100, and QF8581 models.
| Parameter | JAC | T100 | QF8581 |
|---|---|---|---|
| RAM+ROM | 2+32G / 2+64G / 6+128G | 4+64G | 4+64G / 6+128G |
| Chip | 8227 / 8257 | T100 | QF8581 |
| CPU | 4Core / 8Core | 4Core | 8Core |
| Network | WIFI | WIFI | 4G+WIFI |
| BT | 4.0 / 5.0 | 5.4 | 5.0 |
| Sound Effect | 8227L ASP-16EQ / 37033 DSP-32EQ | 2313 ASP-16EQ | BD37534 |
| Amplifier | YD7388 | ||
| FM | MT6625LN FM+RDS | Nxp6856 FM+AM+RDS / 8035 FM+RDS | TSC4745 FM+AM+RDS |
| Mirror Link | Carplay + Android Auto | ||
| Platform | 961A / Q81 | T100 | QF |
7. Maintenance
- Cleaning: Use a soft, dry cloth to clean the screen and unit. For stubborn smudges, a slightly damp cloth with a mild, non-abrasive cleaner can be used, ensuring no liquid enters the unit.
- Software Updates: Periodically check for software updates to ensure optimal performance and access to new features. Follow the on-screen instructions for any available updates.
- Environmental Conditions: Avoid operating the unit in extremely hot, cold, or humid conditions.
8. Troubleshooting
- No Power: Check all power connections. Ensure the vehicle's ignition is on. If professionally installed, contact your technician.
- No Sound: Verify speaker connections. Check volume levels on the unit and ensure the optical fiber box (if applicable) is correctly installed.
- GPS Signal Issues: Ensure the GPS antenna is properly installed and has a clear view of the sky.
- Bluetooth Connection Problems: Ensure Bluetooth is enabled on both the unit and your phone. Try unpairing and re-pairing the devices.
- Screen Unresponsive: Try restarting the unit. If the issue persists, a factory reset might be necessary (consult support before performing).
9. User Tips
- For optimal performance of online features and navigation, ensure a strong WiFi or 4G connection.
- Utilize the split-screen feature to multitask efficiently, such as navigating while enjoying media.
- Customize your UI theme to personalize your driving experience.
- Regularly back up important data if the unit allows for user data storage.
10. Warranty & Support
10.1. Warranty Information
All szlelv products come with a 1-year warranty, dated from the shipping date. This includes one year of post-paid maintenance covering material and labor costs.
This warranty does not cover issues resulting from:
- Accidents
- Artificial damage
- Unauthorized attempts to modify the unit
- Use of third-party accessories
- Consequential damages
10.2. Technical Support
We offer technical support to our customers after sales, including video quick technical guidance. For support inquiries, please contact the seller directly through the platform where you purchased the product.
