How to Renew Benz W204 used ELV with CGDI MB

How to: CGDI Prog MB tool reset/renew Mercedes-Benz w204 used elv on bench (and you can teach in to other car).

Follow CGDI MB ELV W204 wiring diagram to setup connection

Open CGDI MB software

Select ELV->W204, W207, W212->Read ELV data

Read data success

Get Erase password

Erase password calculated successfully

Press Erase ELV

Erase the ELV success

Press Read ELV data again

Follow Key Programmer CGDI MB prompt to check your connection is correct

ELV was reset not problem

Select Load EIS data

Load EIS data with password

Press Write ELV data

Select write type: K-line direct writing

Write ELV success. Insert key into EIS for activation.

Select Activate ELV

Insert the original car key into EIS to activate this ELV.

Done.