Yanhua Digimaster 3 Program Keys for Mercedes Benz W220

Digimaster 3 is known for its odometer correction function,but it is also a automotive key programmer.Here OBD2TOOL share the guide how to use Digimaster 3 to program keys for Mercedes Benz W220


Enter the menu to select “immo”,then select Benz brand
Click “S Class”, choose Automatic mode, you will see there are 3 steps to program the key for Benz W220.


First step, program EIS, choose 05X32/1D69J to enter the following page.


De-solder the two CPU according to the diagram, and solder them to the adapters.(to avoid mix up please mark the two CPU before taking them off)


After read the data it will show the SSID information etc. Choose the key number you want and then click “Write data” to finish the EIS adjust.

Step 2:DME. Take 95040 for example, check the picture and remove the chip to the adapter, click “Next”.


After read the data, it will show the ECU information, click “Write data” to finish the ECU Programming.


Step 3:ESL. Check the picture and remove the chip to the adapter, click “Next”.


click “Write data” to finish this step.


Step 4:key programming (this step is based on the data of step 1, if not implemented “Step 1” , this step can not be operated). Take YH Key for example. Before program the YH Key please make sure it was registered.


Choose the key No. to begin key programming.


How to Update Yanhua Digimaster3

Yanhua Digimaster 3 Upgrade instruction: support upgrate online


Step 1, plug the power supply to digimaster3 and insert the
network cable into the LAN interface of digimaster3 at Obd2tool.com.

Step 2, select “Management”

Step 3, select “Update”


Step 4, select “Software Upgrade”


Step 5, the machine is upgrading


Touch screen calibration:
When the touch screen shows not correctly, you can calibrate
it, please refer to the following instructions.
Step 1, select “Stylus Proofreading”


Step 2: use touch pen point at the center of cursor


How to Solve Digimaster 3 WhiteBlack Screen of Death

Recently some forum bros talked about their death screen (white or black screen of death) of their Digimaster 3. And now, we technicians offers some solutions.


First, please try to update your kernel

Then, try the following solution if white or black screen of death still appears on your Digimaster iii after you have updated the kernel.
1. Remove SD card from D3 to cardreader,and connect to PC. After successful connection, click “Removable Disk(E:)” as showed in the picture.


2. Delete the old file “YHTech” which is in the SD card.
3. Copy the “YHTech” files from CD, and save it in SD card.
4. Please insert SD card into car diagnostic scanner Digimater3 after successfully copy and paste. Then connect to
network and turn on Digimaster 3, click “OK” for downloading when appear remark of “Please connect network download hypervisors!” in the interface.It can be functioned after successful download.

Mercedes Benz audio decoding using Digimaster III

When the vehicle audio was power off because of battery damage, the audio will start the anti-theft system automatically-Obd2tool.com remind you.

Digimaster III can calculate the audio code out or initialize it, as the following picture shows, Digimaster 3 Odometer Correction has the function of ” Audio decoding” , after click it, you will find it supports decoding audio for Alfa, Audi, Benz, BMW, Ford, gm, Honda, Lexus, mazda, Mitsubishi, Peugeot, Porsche, Renault, Toyota, Volvo, Volkswagen and more.
7-1 7-2

2. Audio Code Management
Step 1: Select Benz to decode, and de-solder the corresponding chip according to the software prompts. Click “Next” to begin decoding.
Mercedes Benz audio decoding


Step 2: remember the code in the pop-up dialogue box, click “Next”, the code was written in the chip.


Step 3: Solder the chip back to the board, and then use this new code to decode the audio.

3 Address Code
These models only need to short-circuit some welding spot to reset the code, the software will give a specific method.

Digimaster 3 Connector Instruction

DigiMaster III from OBD2TOOL is multi-functional Automobile data adjusting equipment. It bases on a high performance hardware platform which takes high-speed CPLD and the ARM11 processor as the core device. It is with 7 inch LCD touch-screen.

Attention: All Digimaster 3 has already been registered before shipped out. So no need to register again. Customer who want buy digimaster 3 please do have basic knowleage about chip desoldering.

Techinical question about DIGIMASTER III, please check our techinical service which is next to the description.


Digimaster III Features

1. It contains a high performance hardware platform which takes high-speed CPLD and the ARM11 processor as the core technology
2. It works with various types of adapter you can easily achieve odometer correction, Audio decoding, airbag resetting, engine ECU resetting, IMMO, programming key for Benz &BMW etc
3. It contains the advanced technology of programming new keys for BMW and Benz, CAS-BDM reading/writing and resetting; 35080V6 erasure etc. large numbers of pictures and particular description makes your operation pleasant

Digimaster 3 Connector Instruction