Uckazy 15.8-inch Car Stereo Upgrade User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your Uckazy 15.8-inch Car Stereo Upgrade. This system is designed to enhance your driving experience by integrating modern features like wireless Apple CarPlay and Android Auto into your Mercedes-Benz ML/GL (W166/X166) vehicle with NTG4.5/4.7 systems, while retaining all original car functionalities.

Please read this manual thoroughly before installation and use to ensure proper functionality and to avoid damage to the unit or your vehicle.

2. Product Overview

The Uckazy 15.8-inch Car Stereo Upgrade features a high-resolution IPS touch screen and a dual-system architecture, allowing seamless switching between the integrated Linux system and your vehicle's original NTG system.

Key Features:

• Display: 15.8-inch (1920x720) IN-CELL IPS touch screen with full lamination technology for enhanced clarity and reduced reflection. Constructed with zinc alloy for durability.
• Dual System: One-click switching between the Linux system and the original Mercedes-Benz NTG system.
• Connectivity: Wireless and wired Apple CarPlay, wireless and wired Android Auto, wireless Mirrorlink for iOS and Android phones, Bluetooth 5.0, Wi-Fi.
• Audio: Built-in Digital Signal Processor (DSP) with 16 EQ segments for customizable sound.
• Original Functionality Retention: Preserves original car radio, amplifier function, steering wheel controls, original mouse knob, display of vehicle information (speed, fuel level, oil pressure, safety warnings), and original reverse camera.
• Voice Control: Access navigation, contacts, music, and more via Siri or Google Voice Assistant.

Figure 2.1: Overview of the Uckazy 15.8-inch Car Stereo's main features.

Compatibility:

This unit is compatible with Mercedes-Benz ML GL W166 X166 models from 2012-2015 equipped with the NTG 4.5/4.7 system. Please verify your vehicle's NTG system version before installation.

Figure 2.2: Visual guide for identifying compatible NTG systems (NTG 4.5/4.7).

3. Package Contents

Verify that all items are present in the package:

• 15.8-inch Car Stereo Display Unit
• Touch Pen
• Installation Tools
• Power Cable
• USB Cable
• User Manual (this document)

Figure 3.1: Product dimensions and included accessories.

4. Installation Guide

Professional installation is recommended. Disconnect the vehicle's battery before beginning installation.

4.1 Pre-Installation Checks

• Confirm your vehicle is a Mercedes-Benz ML/GL W166/X166 with an NTG 4.5/4.7 system.
• Ensure all components listed in Section 3 are present.

4.2 Wiring Connections

Carefully follow the wiring diagram provided. Ensure all connections are secure to prevent malfunctions.

Figure 4.1: Wire definition and linking diagram.

• A: 360-DET
• B: ACC-OUT
• C: Rear-Camera-PWR
• D: GND

4.3 Fiber Optic Connection

If your vehicle uses a fiber optic system, unplug the 2P fiber optic harness from the original car CD unit and insert it into the Linux system harness.

4.4 Reverse Camera Connection

Connect the reverse camera according to the provided diagram. Ensure the camera format is correctly selected in the system settings (e.g., AHD 720p@25 for aftermarket cameras).

Figure 4.2: Wired CarPlay/Android Auto connection and noise reduction.

4.5 AUX Audio Setup

For audio output, connect the audio connection cable (included) into the AUX socket in your armrest compartment. This is essential for the Linux system's audio to function.

Figure 4.3: Automatic and manual AUX setting methods.

After connecting, go to the system settings and turn off the AUX auto switching setting if applicable.

Figure 4.4: Locating the AUX port and disabling AUX auto switching.

5. Operating Instructions

5.1 System Switching

The unit allows for one-click switching between the Linux system and your original car system. This ensures you can access all original vehicle functions when needed.

Figure 5.1: Screen resolution comparison (1920x720 for enhanced clarity).

5.2 Wireless CarPlay / Android Auto

To connect wirelessly:

1. Enable Bluetooth on your smartphone.
2. Pair your phone with the car stereo via Bluetooth.
3. Allow all necessary permissions on your phone and wait for the connection to establish.

For wired connection, use the designated USB port (USB1 for data link).

Figure 5.2: Wireless CarPlay connection steps.

Figure 5.3: Wireless CarPlay and Android Auto interfaces.

5.3 DSP Equalizer Settings

The built-in DSP allows for precise audio adjustments with 16 EQ segments. Navigate to the DSP settings menu to customize your sound profile.

Figure 5.4: DSP equalizer interface.

5.4 OEM Resolution and Camera Settings

To ensure proper display of original car information and reverse camera feed, adjust these settings:

• OEM Resolution: Go to Setup > Car Settings > Original Car Screen Resolution and select the correct resolution for your OEM display. Incorrect settings may prevent original car information from displaying.
• OEM Cameras: Go to Setup > Car Settings > Reversing Settings > Camera Type and select 'Original' or 'Aftermarket' as appropriate.

Figure 5.5: OEM resolution and camera settings.

5.5 Voice Assistant

Utilize Siri or Google Voice Assistant for hands-free control of navigation, phone calls, messages, and music. Simply activate the voice assistant through your connected CarPlay or Android Auto interface.

Figure 5.6: Voice assistant functionality and media playback.

6. Maintenance

To ensure the longevity and optimal performance of your car stereo upgrade, follow these maintenance guidelines:

• Cleaning: Use a soft, lint-free cloth to clean the screen. For stubborn smudges, lightly dampen the cloth with water or a screen-safe cleaner. Avoid abrasive materials or harsh chemicals.
• Temperature: Avoid exposing the unit to extreme temperatures, both hot and cold, for extended periods.
• Software Updates: Periodically check for software updates from Uckazy to ensure the system has the latest features and bug fixes.
• Physical Protection: While the zinc alloy casing offers durability, avoid dropping or subjecting the unit to strong impacts.

7. Troubleshooting

If you encounter issues, refer to the following common problems and solutions:

• No Sound or Distorted Audio:
  • Ensure the AUX audio cable is correctly connected to the AUX IN port in your armrest.
  • Verify that the AUX auto switching setting is correctly configured (refer to Section 4.5).
  • If using wired CarPlay/Android Auto and experiencing noise, ensure the 'AB' connection is made as shown in Figure 4.2.
• Original Car UI Not Displaying / Incorrect Resolution:
  • Check the OEM resolution settings (refer to Section 5.4) and ensure the correct resolution is selected for your vehicle.
• Reverse Camera Not Working:
  • Verify the camera wiring connections (refer to Section 4.4).
  • Ensure the correct camera type (Original/Aftermarket) and format (e.g., AHD 720p@25) are selected in the settings (refer to Section 5.4).
• CarPlay/Android Auto Connection Issues:
  • For wireless connection, ensure Bluetooth is enabled and paired, and all necessary permissions are granted on your smartphone.
  • For wired connection, ensure you are using USB1 for the data link.
  • Restart both the car stereo and your smartphone.

If these steps do not resolve the issue, please contact Uckazy customer support for assistance.

8. Specifications

9. Warranty and Support

Uckazy is committed to providing high-quality products and customer satisfaction. If you encounter any problems during the installation process or with the product's functionality (e.g., sound issues, CarPlay/Android Auto connectivity, original car UI display problems), please do not hesitate to contact our technical support team.

Our engineers are available 24 hours a day to assist you with troubleshooting and solutions. Please refer to your purchase documentation or the seller's information for specific warranty details and contact methods.

For direct support, you can typically find contact information on the seller's page where you purchased the product.

Figure 9.1: Technical support contact information.