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17/09/2019

CGDI Prog MB Program Mercedes-Benz W207 All Keys Lost

Purpose: To program a new key for Benz W207 (AKL) by CGDI prog MB.

 

Preparation:

 

EIS: Mercedes-Benz W207

Car key: Original Benz key, blank key

Device: CGDI Prog MB Mercedes-Benz key programmer

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Firstly, check the original key can use or not

The original key cannot unlock the ELV

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Plug the original key into CGDI prog MB

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Read EIS- OK

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Read ELV- OK

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Read key- cannot read

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Use the new key to read key data successfully

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It indicates that the original key is broken.

 

Procedure: 

Step 1: Calculate password

Step 2: Save EIS Data

Step 3: Generate Key File

Step 4: Read/write the key

 

Let’s go one by one.

 

Step 1: Calculate password 

Connect CGDI MB key programmer to EIS well

Plug the BE key into CGDI MB device

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

Select “OBD Mode”, and press “OK”

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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

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

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Step 2: Save EIS Data

Click on “Upload data”

Select the file just saved to upload

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PASSWORD computing success

Click on “Query result”

Copy the key password to backup

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Go to “EIS”-> “Save EIS Data”

Save the file successfully

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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”

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The key file was generated successfully

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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

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Click on “Reset”

Reset success!

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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”

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Select one 51 format file to write data

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CGDI MB key programmer write BE key success

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Read the key again

The system shows the BE key is unused

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Insert the BE key into EIS/ELV to learn automatically

It can use normally

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

The key is used now

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Select “EIS” to read EIS data

The key3 added has been used

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

 

Done!

Source:http://blog.obdiitool.co.uk/cgdi-prog-mb-program-benz-w20...

 

http://blog.obdiitool.co.uk/cgdi-prog-mb-program-benz-w20...

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