CGDI Prog MB Benz Key Programmer: Test Report+ Latest update

This article is available with the CGDI prog MB test report on Benz W207 (AKL) and the last V2.9.1.0 update info.


CGDI MB Benz key programmer add new key to W207


EIS: Mercedes-Benz W207

Car key: Original Benz key, BE key

Device: CGDI prog MB


Note: the original key is broken



Step 1: Calculate password 

Connect CGDI MB key programmer to EIS well

Plug the BE key into CGDI MB device

Click on “Compute Password”->“Copy key without key”-> “Collect Data”

Select “OBD Mode”, and press “OK”


Follow the prompt to remove the plug on ELV, and connect the OBD yellow line with K line on the ELV (K line is the thinnest cable on the ELV plug)

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Then insert the simulated key into the EIS within 30 seconds, and click “OK”

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It will take about 2 minutes to collect

Save the data collected


Save the file successfully. Please upload the data to calculate password



Step 2: Save EIS Data

Click on “Upload data”

Select the file just saved to upload


PASSWORD computing success

Click on “Query result”

Copy the key password to backup


Go to “EIS”-> “Save EIS Data”

Save the file successfully



Step 3: Generate Key File

Select “Generate Key File”->“Load EIS File”

Open the EIS data files saved

Remove the mark of key1 and key2

Then click on “Generate Key File”


The key file was generated successfully



Step 4: Read/write the key

Take out the original key from CGDI Prog MB

And plug the BE key

Select “Read/write Key”-> “Read key/Chip”

Read success


Click on “Reset”

Reset success!

Note: Smart key please choose 41 format, common key and BE key please choose 51 format!

When wiring the original key, please make sure that it is wiped by the CGMB, otherwise the write will fail!

Then click “OK”


Select one 51 format file to write data


Write key success


Read the key again

The system shows the BE key is unused

Insert the BE key into EIS/ELV to learn automatically

It can use normally


Click on “Read Key/Chip” to read the key status again

The key is used now


Select “EIS” to read EIS data

The key3 added has been used




CGDI MB Benz key programmer add new key to Mercedes-Benz W207 AKL success!


CGDI PROG MB updated to V2.9.1.0 (17th September, 2019)

Free download link:!iaZWxSKK!qUCFas1gnSK2EVAOgZGN0w

Latest update info:

1.Fixed the function of 21DF key writing (Solved the problem that VVDI clear key cannot be written)

2.Optimized the reading key experience (Much faster)

3.Optimized the reading EIS experience (Much faster)

4.Added all lost collection function for W164 (2009-) without gateway.

5.Added W164 (2009-) all lost collection wiring diagram.

6.Corrected the W164 (-2009) all lost collection wiring diagram.

7.Corrected W203/W463/W639K, W169, W169 all lost, W209/W211 and W209/W211 all lost wiring diagram.


That’s all!

Author: admin