1. Entwodiksyon
This manual provides comprehensive instructions for the installation, operation, and maintenance of the YEEHUNG 12.3" Android 13 Car Multimedia System. This system is specifically designed for Mercedes-Benz 2012-2015 ML GL Class W166 X166 vehicles equipped with the NTG4.5 OEM host system. Please read this manual thoroughly before installation and use to ensure proper functionality and to avoid potential issues.

Figure 1.1: YEEHUNG 12.3" Android 13 Car Multimedia Screen
2. Pwodwi souview
The YEEHUNG 12.3" Android 13 Car Multimedia System offers an enhanced in-car entertainment and navigation experience. It features a blue anti-glare HD screen with a resolution of 1920x720, powered by an 11 nm Qualcomm Snapdragon 662 8-core high-speed processor, 8GB RAM, and 128GB internal memory. The system supports wired and wireless CarPlay, Android Auto, and wireless mirror link functions.
Karakteristik kle:
- Ekspozisyon: 12.3-inch Blue Anti-Glare HD Screen (1920x720 resolution), multi-point capacitive touch, IPS panel, 178° ultra-wide viewang ang.
- Processeur: Qualcomm Snapdragon 662 8-core (4x A73 2.0GHz + 4x A53 1.8GHz).
- memwa: 8GB RAM (LPDDR4X) + 128GB Storage (eMMC 5.1).
- Sistèm operasyon: Android 13.
- Koneksyon: Built-in Wi-Fi, USB ports, Bluetooth 5.0.
- Entegrasyon: Supports wired and wireless CarPlay, Android Auto, and wireless Mirror Link.
- Original Car System Retention: Retains original car knob and steering wheel controls, original radio, amplifier, dèyè view camera, and reverse trajectory.
- Fonksyon adisyonèl: Supports split screen, Google Play, online voice control, and multiple languages.

Figure 2.1: Anti-Glare Screen Features

Figure 2.2: Snapdragon 662 Processor Details
3. Konpatibilite
This multimedia system is compatible with the following Mercedes-Benz models and OEM host systems:
- Modèl machin: Mercedes-Benz ML300, ML320, ML350, ML400, ML500, ML550 (2012-2015)
- Modèl machin: Mercedes-Benz GL350, GL400, GL500, GL550 (2012-2015)
- Nimewo chasi: W166, X166
- OEM Host System: NTG4.5
Enpòtan: If your car's model year is not within the indicated range, please verify compatibility by providing a photo of your OEM host system to the seller. Ensure your vehicle has the NTG4.5 system. You can identify your NTG version by referring to the user interface and host panel of your original car.

Figure 3.1: NTG Version Identification Guide

Figure 3.2: NTG 4.5 System Visual Confirmation
4. Ki sa ki nan bwat la
Lè w ap debale l, tanpri asire w ke tout konpozan sa yo la:
- 1 x 12.3" Multimedia Panel
- 1 x baz
- 1 x Fil elektrik ISO
- 1 x kab RCA
- 1 x Speaker (Optional)
- 1 x 4G antèn
- 1 x GPS antèn
- 1 x Mikwofòn
- 1 x AMI Decoder
- 1 x Manyèl Enstalasyon
- 1 x manyèl itilizatè

Figi 4.1: Sa ki pakè
5. Gid Enstalasyon
Professional installation is recommended. Ensure the vehicle's power is disconnected before beginning installation. This system is designed for 'no injury installation', meaning no need to damage original vehicle wires.
5.1 Precautionary Note on AUX Audio
If your NTG4.5 system does not have an AUX menu, you must activate the AUX menu for the Android system's sound to function. You will need to connect the audio output from the new system to your car's AUX input. This can be done via an AMI cable or by using the Audio out on the ISO cable to interface with the car's AUX jack, depending on your car's interface type.

Figure 5.1: Audio Out to AMI Connection

Figure 5.2: Audio Out to AUX IN Connection
5.2 Fil elektrik ak Koneksyon
Carefully connect all wiring harnesses as per the provided installation manual. Ensure all connections are secure. The system is designed to integrate with your existing vehicle wiring without modification.

Figure 5.3: Wiring Connection Example
5.3 AUX Activation and Automatic Switching (NTG 4.5/4.7)
For NTG4.5 and NTG4.7 systems with original car AUX function, follow these steps to set up automatic AUX switching:
- On the original car interface, navigate to the AUDIO menu. Set the position of the AUDIO icon to '2'.
- Within the AUDIO menu, locate the AUX icon and set its position to '8'.
- Access the Factory Settings of the Android device.
- Under 'AUX Switching Modes', select 'Automatic' or 'Other' as appropriate for your vehicle.
- Ensure 'AUX Activate' is checked in the settings.
- Verify the 'CAN Protocol' is set to 'BC_Protocol_type_4.5'.
- Confirm 'Car Display' settings are appropriate for NTG4.0/NTG4.5 (e.g., 800x480 or 400x240 depending on original screen resolution).

Figure 5.4: Automatic AUX Switching Setup

Figure 5.5: AUX Activate Setting

Figure 5.6: CAN Protocol Setting

Figure 5.7: Car Display Setting
5.4 Tcheke apre Enstalasyon
After completing the cable and device installation, re-route all original cables to their proper positions. Before restoring covers and panels, turn on the Android device and thoroughly test all functions to ensure they are operating normally.
6. Operasyon Enstriksyon
The YEEHUNG multimedia system integrates seamlessly with your vehicle's existing controls while offering advanced Android functionality.
6.1 Navigasyon debaz ak Entèfas
The 12.3-inch touchscreen allows for intuitive navigation through the Android interface. Swipe, tap, and use multi-touch gestures to control applications and settings. The system also supports online voice control functions when connected to a network.

Figure 6.1: CarPlay Interface

Figure 6.2: Android Auto Interface

Figure 6.3: Video Playback
6.2 CarPlay ak Android Auto
The system supports both wired and wireless CarPlay and Android Auto. Connect your smartphone to access navigation, music, messages, and other compatible apps directly on the car's display. The wireless mirror link function also allows mirroring your phone's screen.

Figure 6.4: CarPlay and Android Auto Functionality
6.3 Retained OEM Functions
The YEEHUNG system is designed to retain all original car functions. You can continue to use your original car knob (COMAND knob), steering wheel controls, original car radio, amplifier, and factory rear view camera with reverse trajectory. The system supports dual system switching (NTG 4.5) allowing access to both the original car system and the Android system.

Figure 6.5: Retained OEM System Features
7. Espesifikasyon
| Karakteristik | Spesifikasyon |
|---|---|
| Pwa atik | 7.28 liv |
| Dimansyon pwodwi | 12.83 x 11.02 x 7.48 pous |
| Nimewo Modèl Atik | YH-7115 |
| Gwosè ekspozisyon | 12.3 pous |
| Rezolisyon ekspozisyon | 1920x720 |
| Plas pou kat memwa | SD |
| Kòmandman vwa | Touchscreen |
| Mak | YEEHUNG |
| Kalite Sèvis Machin | Machin |
| Karakteristik espesyal | Bluetooth, Ekran taktil |
| Koneksyon Teknoloji | Bluetooth, USB, Wi-Fi, Wireless |
| Kalite kat jeyografik | Amerik di Nò |
| Audio Sòti Mode | Stereo |
| Kalite aliye | Dach mòn |
NAN. Depanaj
8.1 No Sound from Android System
sentòm: The Android system is powered on and displays correctly, but there is no audio output.
Solisyon: This typically indicates that the AUX menu in your original NTG4.5 system is not activated or the audio output from the Android unit is not correctly connected to the car's AUX input. Refer to Section 5.1 and 5.3 for detailed instructions on activating AUX and setting up the audio connection.
8.2 System Not Responding / Freezing
Solisyon: Try restarting the device by turning off the car's ignition and waiting for a few minutes before restarting. If the issue persists, check all power connections. A factory reset might be necessary as a last resort (consult the separate installation manual for factory reset procedures).
8.3 Pwoblèm koneksyon (Bluetooth/Wi-Fi)
Solisyon: Ensure the antennas (4G and GPS) are correctly installed and secured. Check the system settings for Bluetooth and Wi-Fi to ensure they are enabled. If connecting to a phone, ensure the phone's Bluetooth/Wi-Fi is also on and discoverable.
9. Antretyen
The YEEHUNG 12.3" Android 13 Car Multimedia System requires minimal maintenance. Follow these guidelines to ensure longevity and optimal performance:
- Netwayaj: Sèvi ak yon twal mou ki pa gen pousyè pou netwaye ekran an. Pou tach ki difisil pou retire, siye l yon ti kras.ampLave twal la avèk dlo oswa yon pwodui netwayaj ki pa danjere pou ekran. Evite pwodui chimik ki agresif oswa materyèl abrazif.
- Mizajou lojisyèl: Periodically check for software updates through the system's settings menu to ensure you have the latest features and security patches.
- Kondisyon anviwònman: Avoid exposing the device to extreme temperatures or direct sunlight for prolonged periods, as this can affect performance and lifespan.
- Entegrite kab: Ensure all cables remain securely connected and are not pinched or damaged.
10. Garanti ak sipò
10.1 Enfòmasyon sou Garanti
- Within 1 Month: Free returns according to Amazon rules. Contact Amazon Buyer Services for return procedures.
- Nan 12 mwa: Free warranty service for non-human damage. The customer is responsible for shipping costs within the U.S. for product return and repair.
- After 1 Year: Repair service is available. In addition to U.S. postage, customers will be responsible for the cost of replacement parts and labor.
10.2 Sipò pou Kliyan
If you encounter any problems or have questions regarding your YEEHUNG multimedia system, please contact our customer support team. Clearly describe your issue to facilitate a quick resolution. We aim to reply within 24 hours.
For general inquiries or to verify compatibility, you may also refer to the YEEHUNG Store on Amazon.