Introduction
The autoabc Wireless CarPlay/Android Auto Adapter is designed to integrate advanced smartphone connectivity into your Mercedes Benz vehicle. This adapter enables wireless CarPlay and Android Auto functionalities, allowing you to access navigation, music, calls, and messaging directly through your car's infotainment system. It also supports MirrorLink, Siri voice control, DVR, and camera input.
Compatibility Note: This adapter is compatible with 2011-2016 Mercedes Benz A/B/C/E/CLA/GLA/GLK/ML/SLK models equipped with the NTG4.5 System and a HARMAN BECKER slot in the glove box. Please verify the presence of this slot before purchase.

Image: Compatibility information for Mercedes Benz vehicles with NTG4.5 System, listing various models and years.
Setup and Installation
The autoabc adapter is designed for a plug-and-play installation, requiring no complex vehicle disassembly. Ensure your vehicle has the necessary HARMAN BECKER slot before proceeding.
Pre-Installation Check
- Locate the glove box in your Mercedes Benz vehicle.
- Confirm the presence of a dedicated module slot, specifically the HARMAN BECKER slot. This adapter will not function without it.

Image: A close-up view of the HARMAN BECKER slot located within the glove compartment of a Mercedes Benz vehicle.
Installation Steps
- Carefully align the autoabc adapter with the HARMAN BECKER slot in your glove compartment.
- Gently push the adapter into the slot until it is securely seated. No tools or modifications are typically required.
- Once inserted, the adapter will unlock the CarPlay/Android Auto functionality.

Image: A three-step diagram showing how to install the adapter: inserting it into the glove box slot, connecting smartphones, and then enjoying the features.
Connecting Your Smartphone
After physical installation, connect your smartphone wirelessly:
- Turn on your vehicle's ignition.
- On your smartphone, enable Bluetooth.
- Search for and select the adapter's Bluetooth name (refer to the adapter's packaging or on-screen prompts for the exact name).
- Confirm the pairing on both your phone and the car's display.
- Once paired, CarPlay or Android Auto should launch automatically.

Image: A smartphone displaying the CarPlay logo, indicating a wireless connection to the car's infotainment screen which shows various CarPlay applications.
Operating Instructions
The autoabc adapter provides seamless integration of your smartphone's features into your Mercedes Benz NTG4.5 system.
Wireless CarPlay and Android Auto
- Navigation: Use your preferred navigation apps (e.g., Apple Maps, Google Maps, Waze) directly on your car's display.
- Communication: Make and receive calls, send and read messages using voice commands or the car's controls.
- Music & Media: Stream music, podcasts, and audiobooks from your smartphone apps.
- Voice Control: Activate Siri or Google Assistant for hands-free operation.

Image: A car's infotainment screen displaying various CarPlay functions, including phone calls, music playback, map navigation, and messaging applications.
MirrorLink Function
The adapter supports MirrorLink, allowing you to mirror your smartphone's screen content directly onto your car's display. This function is compatible with most Android phones (Android 6.0 or higher) and iOS phones (iOS 9 or higher).

Image: A car's display mirroring the screen of a smartphone, showcasing the MirrorLink functionality.
Retaining Original Car Functions
This adapter preserves all original functions of your Mercedes Benz NTG4.5 system, ensuring a seamless user experience.
- Original Car Camera: Supports the original reversing camera input (CVBS signal input).
- Reversing Radar: Maintains functionality of the vehicle's reversing radar system.
- Steering Wheel Buttons: Control CarPlay/Android Auto using your existing steering wheel buttons.
- iDrive Knob Control: Navigate menus and control functions with the original iDrive knob.

Image: A composite image illustrating the retention of original car functions, including a reverse camera view, steering wheel controls, and the iDrive knob for system interaction.
Maintenance
To ensure optimal performance and longevity of your autoabc Wireless CarPlay/Android Auto Adapter, follow these general maintenance guidelines:
- Keep Clean: Periodically wipe the adapter with a soft, dry cloth to remove dust and debris. Avoid using harsh chemicals or abrasive materials.
- Software Updates: Check the manufacturer's website or contact support for any available software updates. Updates can often be performed via the USB expansion port.
- Environmental Conditions: Ensure the adapter is kept within the vehicle's normal operating temperature range. Avoid extreme heat or cold.
- Secure Connection: Periodically check that the adapter remains securely seated in the HARMAN BECKER slot.
Troubleshooting
If you encounter issues with your autoabc Wireless CarPlay/Android Auto Adapter, refer to the following common troubleshooting steps:
- No Audio Output: If your car audio has no sound after connecting, ensure your vehicle's Bluetooth audio settings are correctly configured for the adapter. You may need to manually select the Bluetooth audio source on your car's infotainment system.
- Connection Issues:
- Ensure your smartphone's Bluetooth and Wi-Fi are enabled.
- Restart your smartphone and the car's infotainment system.
- Forget the adapter's Bluetooth connection on your phone and re-pair it.
- Confirm the adapter is firmly seated in the HARMAN BECKER slot.
- CarPlay/Android Auto Not Launching: Verify that your smartphone meets the minimum OS requirements (Android 6.0+ or iOS 9+).
- Intermittent Disconnections: Ensure there are no other strong wireless signals interfering with the connection. Try moving your phone closer to the adapter.
- System Lag: Close unnecessary applications on your smartphone to free up resources.
If these steps do not resolve the issue, please contact autoabc technical support for further assistance.
Specifications
| Brand | autoabc |
| Model Number | A3 |
| Compatible Vehicles | Mercedes Benz A/B/C/E/CLA/GLA/GLK/ML/SLK (2011-2016) with NTG4.5 System and HARMAN BECKER slot |
| Compatible Devices | Mobile phones (Android 6.0+ / iOS 9+) |
| Connector Type | HARMAN BECKER |
| Color | Black |
| Dimensions (L x W x H) | 80mm x 80mm x 23mm |
| Input/Output Interfaces | Original car AUX, Reversing video input (CVBS), 12V+ ACC, USB expansion |
| Features | Wireless CarPlay, Wireless Android Auto, MirrorLink, Siri Voice Control, DVR support, Camera input |

Image: Detailed view of the autoabc adapter, illustrating its dimensions (80mm x 80mm x 23mm) and the various expansion interfaces including AUX, reversing video input, 12V+ ACC, and USB expansion.
Warranty and Support
autoabc is committed to providing reliable products and customer service.
- Warranty: This product comes with a One-Year global warranty.
- Technical Support: Lifetime technical service support is provided. For any questions or issues with your product, please contact autoabc via Amazon Email for reliable online technical support.

Image: autoabc customer support information, highlighting a 24-hour reply time, 60-day return policy, 12-month replacement, and lifetime technical support.