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
Go to Compute Password->Copy key without key->Collect data
Select collect data via Platform mode (quick collection)
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.
Save the file successfully. Upload the data to calculate password.
Upload data just saved Press Query Result to calculate pass
CGDI MB calculates password success.
Copy the password Step 2: Save new EIS data
Go to EIS->Read EIS data
Paste the password to corresponding area
Save EIS data Step 3: Generate Key File
Select Generate Key File function
Select key file format and press Generate Key File
Save key file
Step 4: Write Key Go to Read/Write Key->Read Key/Chip
Reset operation success
Read key again, check key information
Choose a key file (common BE key choose v51 format)
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