CGDI Prog MB Tool is a professional Benz key programmer as well as Xhorse VVDI MB Tool. CGDI MB is younger than VVDI and GGDI MB cost 1/3 price of VVDI MB Tool. It makes it be a more affordable tool for some locksmiths.
This post will show how CGDI Prog MB program Benz W221 Key. You could compare it with VVDI MB Tool.
This process will cost 20 minutes in 5 steps.
Step 1: Preparation & ready for 221MTSkey programming
Finish connection of CGDI Porg MB to the laptop and the car
Run CGDI Porg MB software
Step 2: Read and save EIS data
Go to EIS: read EIS and save EIS data
Step 3: Calculate password
Calculate password: collect data
(the car voltage should be more the 11.5V)
Remove the key from EIS, then click on OK
Again remove the key from EIS, then click on OK
Remove the key for 5 seconds, then insert it into EIS, then OK
Put the key into the CGDI Porg MB programmer, then OK
Save data, then upload data to calculate password
Search for the result
Copy the password
Go to EIS: read EIS, paste password, then save data
Step 4: Make key file
Generate EE: load EIS and make key file
Step 5: Write data into the key
Read & write key: read key/chip data, reset, open/write key
smart key: format 41, normal key or key from deputy factories: format 51
Write data into the key successfully
Step 6: Check if the key is work or not
Test the key and it’s working
Reference: VVDI MB BGA TOOL program W221 keys
To add new keys to W221 when it lost all keys, you can do like this:
remove W221 EIS,
get eeprom by programmer (such as VVDI PROG),
then load eeprom to VVDI MB TOOL to prepare key file,
write key and insert to EIS for key learn.