ASURE Car Stereo User Manual

1. Introduction

This manual provides comprehensive instructions for the installation, operation, and maintenance of your ASURE Car Stereo, designed specifically for Mercedes-Benz GLK-Class X204 models manufactured between 2008 and 2015. Please read this manual thoroughly before installation and use to ensure proper functionality and to maximize your experience with the device.

2. Product Overview and Key Features

The ASURE Car Stereo is an advanced infotainment system that upgrades your vehicle's capabilities with modern features and enhanced performance.

• 9-inch Capacitive HD Touchscreen: Features a 1280x800 IPS display for rich colors and clear visuals.
• Wireless and Wired CarPlay & Android Auto: Seamless integration with iPhone (5 and later) and Android phones (11.0 and later) for navigation, calls, messages, and music.
• Android 14 Operating System: Customized Android system with a 4-Core CPU, 2GB RAM, and 32GB ROM for smooth operation and faster response.
• Digital Sound Processor (DSP): Allows customization of audio playback effects for different seating positions.
• Dual-Band WiFi: Supports 2.4G and 5G WiFi for convenient app downloads, offline maps, and internet connectivity.
• Dual Navigation: Supports both internet location and GPS satellite positioning for precise navigation.
• Steering Wheel Control: Compatible with original car steering wheel control buttons (manual wiring may be required for some models).
• Dual USB Cables: Provides charging for two devices.

Figure 2.1: ASURE Car Stereo main unit with wireless CarPlay/Android Auto functionality shown with a connected smartphone.

Figure 2.2: Overview of wireless connectivity options including CarPlay, Android Auto, and Screen Mirroring.

3. Setup and Installation

Proper installation is crucial for the optimal performance of your ASURE Car Stereo. It is recommended to seek professional assistance if you are unfamiliar with car audio system installations.

3.1. Compatibility Check

This unit is compatible with Mercedes Benz GLK Class X204 models from 2008-2015. For 2013-2015 versions with round A/C outlets, extra wiring kits and a CAN-BUS decoder may be required. Consult with the seller if unsure.

Figure 3.1: Visual comparison of the dashboard before and after installing the ASURE Car Stereo in a Mercedes-Benz GLK-Class X204.

3.2. Components and Wiring

Ensure all components listed in the accessories section are present before beginning installation. Refer to the wiring diagram for correct connections.

Figure 3.2: Detailed wiring diagram illustrating all necessary connections for the car stereo.

Figure 3.3: Installation overview including frame assembly and key wiring connections.

3.3. Optical Fiber Cable Installation

If your vehicle uses optical fiber cables for audio, these may need to be relocated to the new harness. Refer to the video below for guidance.

3.4. Resolution Settings

After installation, it is important to set the correct screen resolution to ensure proper display of the original car system. Incorrect settings can lead to display issues.

3.5. CAN-BUS Configuration

For steering wheel controls to function, configure the CAN-BUS settings. Navigate to "Settings" in the main menu, then "Factory" (password: 3368), click "Car Model", and select "OD->Benz->B2000->OD".

Figure 3.4: Factory settings interface for selecting the correct car model to enable CAN-BUS functions.

4. Operating Instructions

4.1. Wireless CarPlay / Android Auto Connection

Connect your smartphone wirelessly via Bluetooth for CarPlay or Android Auto functionality. Ensure Bluetooth is enabled on both devices.

1. Turn on Bluetooth on your smartphone and the car stereo.
2. Search for the car stereo's Bluetooth connection (e.g., "CarBT") on your phone and pair.
3. Once paired, click the "Car-Link" icon on the stereo to initiate CarPlay or Android Auto.
4. If connection fails, manually connect to the stereo's WiFi hotspot (name and password can be found in settings).

4.2. UI Theme Customization

The Android system allows for UI theme customization. You can download third-party launchers like AGAMA Car Launcher from Google Play Store to personalize your interface.

4.3. System Switching

You can switch between the new Android system and the original car interface. The original system does not support touch input and must be controlled via the iDrive controller.

4.4. Brightness Adjustment

Adjust the screen brightness for optimal viewing during day and night driving. This can typically be found in the device settings or factory settings.

5. Maintenance

To ensure the longevity and optimal performance of your ASURE Car Stereo, follow these general maintenance guidelines:

• Cleaning: Use a soft, dry cloth to clean the screen and exterior. Avoid abrasive cleaners or solvents.
• Software Updates: Periodically check for software updates to ensure you have the latest features and bug fixes. Updates can typically be found in the system settings or on the ASURE support website.
• Environmental Conditions: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.

6. Troubleshooting

If you encounter issues with your ASURE Car Stereo, consider the following general troubleshooting steps:

• No Power: Check all power connections and ensure they are securely plugged in. Verify the vehicle's fuse box for any blown fuses related to the stereo.
• No Sound: Ensure all audio cables are correctly connected. If using optical fiber cables, verify their proper relocation as shown in the installation videos. Check the volume settings on both the stereo and your connected device.
• CarPlay/Android Auto Connection Issues: Ensure Bluetooth and WiFi are enabled and correctly paired. Try restarting both your smartphone and the car stereo. If issues persist, delete the history record of the connection on the vehicle and re-establish.
• Incorrect Display/Resolution: Access the resolution settings in the car settings menu and select the correct resolution compatible with your original vehicle screen (refer to Section 3.4).
• Steering Wheel Controls Not Working: Verify CAN-BUS configuration in factory settings (refer to Section 3.5). Some vehicles may require manual wiring for SWC functionality; contact support if needed.
• System Lag/Slow Response: Ensure sufficient storage space is available. Close unnecessary applications running in the background.

For persistent issues, please contact ASURE customer support for further assistance.

7. Specifications

8. Warranty and Support

For warranty information, product registration, or technical support, please refer to the documentation included with your product or visit the official ASURE website. Keep your purchase receipt as proof of purchase for warranty claims.