How to Program Mercedes W639 Key using CG Pro and CGDI MB

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

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Take down W639 EIS , check the number

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EIS related chip HC08 1L02M

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

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View wiring diagram

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Physical operation

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Read data successfully and save it

 

 

Step 2: Write Key with CGDI MB

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

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Load EIS data successfully, show the password directly

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Save EIS data,please default the file name

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

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Load successfully,please check whether all information is correct

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Click“Generate key file”, please wait…

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Key file generated successfully,please save data file

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Go to “Read key”

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Insert new key into CG-MB

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Click read, show related information

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Click write, please note the prompt, Click ok

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Choose一unused key data file,click and open it

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

 

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Program Mercedes W639 Key with CG Pro and CGDI MB

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