Here’s the instruction to program Mercedes Benz C class W204 all keys lost with CGDI Prog MB key programmer.
Calculate password online
Generate key file
Step 1: Calculate password
Go to EIS->Read EIS data to check current key status
Connect the K-line
Start collecting data. Don’t disconnect CGDI device
Save file successfully. Upload the data to calculate password.
Press Upload Data and select data just saved
CGDI Prog calculate password success. Copy password.
Step 2: Save EIS data
Go to EIS->Read EIS data
Then save EIS data
Step 3: Generate key file
Go to Generate Key File function->Load EIS file
Upload EIS data saved
Press Generate key file
Save key file
The key file was generated successfully
Step 4: Write key
Select Read/Write key->Read key/chip
Select a key file (common BE key choose v51 format )
CGDI MB write W204 key success
Go to EIS and check EIS data again.
New key was successfully programmed.