Program Mercedes W639 Key with CG Pro and CGDI MB

Program Mercedes W639 Key with CG Pro and CGDI MB
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How to: Program new key on Mercedes Benz W639 using CG Pro 9S12 and CGDI Prog MB key programmer.


Step 1: Read EIS data with CG Pro 9S12

Take down W639 EIS , check the number

EIS related chip HC08 1L02M

Open CG Pro programmer software, select Anti-theft computer->Benz->EIS W639 (HC08)

View wiring diagram

Physical operation

Read data successfully and save it



Step 2: Write Key with CGDI MB

Open CGDI MB software, Load the data just read by CG-Pro

Load EIS data successfully, show the password directly

Save EIS data,please default the file name

Go to “GenerateEE”, Load the EIS data just saved

Load successfully,please check whether all information is correct

Click“Generate key file”, please wait…

Key file generated successfully,please save data file

Go to “Read key”

Insert new key into CG-MB

Click read, show related information

Click write, please note the prompt, Click ok

Choose一unused key data file,click and open it

Write success, put EIS back, then just get on car to learning it


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