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 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

 

 

Related post:

CGDI MB Program Mercedes W204 All Keys Lost

CGDI MB Program Mercedes Benz old W164 EZS All Keys Lost

W639 All Keys Lost Programming with CGDI MB and AC adapter

sales