Program Benz old W203 key with VVDI MB BGA

Here is the instruction on how to program key for Mercedes Benz old W203 EIS all keys lost by VVDI MB BGA Tool key programmer (new version goes to v2.1.4).


Step 1: Read EIS Key Password

Well connect VVDI Benz and laptop etc

Open VVDI MB BGA software
Select EIS tools

Select IR in EIS function
Select Chassis W203,463,639 (K)

Click on Read EIS data and password


Insert IR adapter to car. Take out and insert again if already inserted. Remain 28 seconds.

You can check the VVDI BGA button status, it shows Reading data success. EIS is normal.
If the software prompt Do you want to read password via IR. Press Yes to continue.
Read password via IR need about 1-4 minutes.


Select key used position

Read EIS key pass success.


Select Save EIS data

Press OK to save HC05 format file.


Step 2:  Prepare Key File

Select Prepare Key File function
Click on Load EIS file


Upload EIS data just saved
Tick one used key option: Key 4 and v51


Select Prepare Key File
Save key file


Step 3: Read Write Key

Select Read Write Key

Put smart key on VVDI MB Tool
Click on Identification key on software

Check unused key status.
Select Load Key file
Open key file just saved.


Show Key eeprom data
Click on Write
writing data success


Click on Identification key again
Chekc key number


Remove both keys form VVDI Benz and EIS

Insert IR key into EIS

Switch on and off to check


Select EIS Tools in software

Select IR
Select Chassis
Select Read EIS data and password

Insert IR adapter to car. Take out and insert again if already inserted. Remain 28 seconds.

Select no to read password this time


New key has been program successfully.




About eobd21

I am a car lover and like to repair car by myself, and know more info about car diagnostic tool and other obd2 tools, share these info with everyone.
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