Program Mercedes W221 All Keys Lost with CGDI MB and AC Adapter

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 MB Key Programmer CGDI MB on bench.

Step 1: Calculate Password
Open CGDI MB software

cgdi-mb-w221-all-key-lost-1
Go to Compute Password->Copy key without key->Collect data
Select collect data via Platform mode (quick collection)

cgdi-mb-w221-all-key-lost-2
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.

cgdi-mb-w221-all-key-lost-3
Save file.

cgdi-mb-w221-all-key-lost-4
Save the file successfully. Upload the data to calculate password.
cgdi-mb-w221-all-key-lost-5
Upload data just saved

Press Query Result to calculate pass

cgdi-mb-w221-all-key-lost-6
CGDI MB calculates password success.
Copy the password

Step 2: Save new EIS data
Go to EIS->Read EIS data

cgdi-mb-w221-all-key-lost-7
Paste the password to corresponding area

cgdi-mb-w221-all-key-lost-8
Save EIS data

Step 3: Generate Key File

cgdi-mb-w221-all-key-lost-9

Select Generate Key File function

cgdi-mb-w221-all-key-lost-10

cgdi-mb-w221-all-key-lost-11
Select key file format and press Generate Key File

cgdi-mb-w221-all-key-lost-12
Save key file

cgdi-mb-w221-all-key-lost-13

Step 4: Write Key

Go to Read/Write Key->Read Key/Chip

cgdi-mb-w221-all-key-lost-14
Then Reset

cgdi-mb-w221-all-key-lost-15
Reset operation success

cgdi-mb-w221-all-key-lost-16
Read key again, check key information
Press Open/Write

cgdi-mb-w221-all-key-lost-17
Choose a key file (common BE key choose v51 format)

cgdi-mb-w221-all-key-lost-18
Write key success

Be the first to comment

Leave a Reply

Your email address will not be published.


*