How to Repair Benz W204, W207, W212 ELV with CGDI MB

How-to: repair Mercedes Benz W204, W207, W212 ELV using CGDI Prog MB key programmer.

Repair ELV with CGDI MB

Connection. The OBD connection device detects whether the EIS is normal. If normal, OBD repair is supported

OBD connects with car, open software，click ‘Read ELV data ‘

please connect the clip on the yellow line of the OBD line to the k-line on the ELV plug.

Read data successfully，display related information

Check ELV is ok, can do repairing

Get ELV erase password

Erase the ELV success

Read ELV data again, to display related information after erasing

Collect and calculate the anti-theft password

Read EIS Data

Enter ‘compute password’, select ‘copy key with key’（If lost all keys, you can choose ‘copy key without key

Default “other keys”, click OK

The collection process won’t be described one by one, just operate as the software instructed, eventually you
can obtain the anti-theft password

copy and paste the password to EIS

Save EIS data ( please default file name)

Get erase password successfully

Click ‘wipe the EIS，Suggest that insert the simulation key into the EIS in 30 seconds

Physical operation diagram

Erase the EIS success

CGDI MB Read EIS data again,display related information

Load original data（Previously saved EIS data）

Click ‘Write EIS data ‘

please insert the simulation key into the EIS in 30 seconds

Physical operation diagram

Write EIS data success

Read EIS data again, display related

click“sync w204 ELV”，prompt ‘sycn w204 ELV success, please insert key into EIS for activation

Activated successfully , ELV can be used normally.