How to use CGDI Prog MB key programmer for Mercedes all key lost? CGDI Prog MB manual here you go.
CGDI Prog MB W166 all key lost
select Lock (EIS)

click on Read EIS data
select Compute password

select Copy key without key
click on Collect data

prepare to collect data. pls. don’t move:
- waiting to read the lock data
- insert the simulation key into the lock
- start collecting it will take a long time; do not disconnect the CGDI-MB device
- collection completes. pls. save data, then click on Update data

follow CGDI-MB software instruction

collecting data


data acquisition success. save data

Update data
open data you just saved

update data successfully

Query password

Query end

display password, Copy
select enter

paste password

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CGDI Prog MB A166 all key lost





















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