Here come a guide on how to perform all keys lost programming for Benz W203 by VVDI MB Tool.
Benz W203 All Keys Lost Programming Procedures:
Step 1:Read EIS Key Password
Connect the VVDI MB to your laptop
Open the VVDI MB BGA software
Select EIS Tools
Select IR in EIS Function
Select Chassis W203,463,639 (K)
Insert the IR adapter (blue) into the ignition (if already inserted, remove it and reinsert it again). Keep it there for 28 seconds.
The VVDI BGA button status should show Reading Data Success. EIS is normal. If the software asks if you want to read the password via IR, click Yes to continue. Reading the password via IR takes around 1-4 minutes.
Select the key used position, Read EIS key pass success.
Select Save EIS Data
Press OK to save HC05 format file
STEP 2:Prepare the Key File
Select Prepare Key File function
Click on Load EIS File
Upload EIS data you just saved
Select one used key option: Key 4 and v051
Select Prepare Key File
Save key file
STEP 3: Read Write Key
Select Read Write Key
Place your smart key onto the VVDI MB tool
Click the Identification key button
Check unused key status
Select Load Key file
Open key file you just saved
Show Key EEPROM data
Click on Write
Success message appears
Click on the Identification Key button again
Check the key number
Remove both keys from VVDI MB and EIS
Insert IR key into EIS
Switch on and off to check
Select IES Tools in software
Select IR
Select Chassis
Select Read EIS data and password
Insert the IR adapter (blue) into the ignition (if already inserted, remove it and reinsert it again). Keep it there for 28 seconds.
New key has been programmed successfully!
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