How to Program Benz W221 All Keys Lost with CGDI MB on Bench?

CGDI Prog MB is possible to program Mercedes Benz W164 2009-/W221 2009- in 2 ways:  via OBD and on bench.
OBD mode takes about 2 hours.
Bench reading shorten the online calculation time to less than 4 minutes. (This requires CGDI MB AC adapter).
Here’s the how-to guide to program W221 all keys lost with CGDI MB on bench.
Step 1: Calculate Password
Open CGDI MB software
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Go to Compute Password->Copy key without key->Collect data
Select collect data via Platform mode (quick collection)
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Connect the AC Adapter with cgdi follow the wiring diagram
Insert the simulation key within 1 minute, if you have inserted, pull it out and try again
Turn the quick collect adapter switch to the Platform position
Turn ignition switch to ON position
Collection is done.Very fast.
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Save file.
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Save the file successfully. Upload the data to calculate password.
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Upload data just saved
Press Query Result to calculate pass
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CGDI MB calculates password success.
Copy the password
Step 2: Save new EIS data
Go to EIS->Read EIS data
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Paste the password to corresponding area
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Save EIS data
Step 3: Generate Key File
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Select Generate Key File function
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Select key file format and press Generate Key File
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Save key file
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Step 4: Write Key
Go to Read/Write Key->Read Key/Chip
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Then Reset
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Reset operation success
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Read key again, check key information
Press Open/Write
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Choose a key file (common BE key choose v51 format)
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Write key success

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