Tutorial: how to replace the transmission gearbox VGS3 TCU of a Mercedes Benz W204 by the one from a W211.
Tools used:
FVDI/AVDI/SVCI 2020
MB Star diagnostic MB SD C4/C5
Main procedure:
Procedures:
Step 1. Renew VGS3
Connect VGS module with CGDI MB.
Read this used VGS3, which comes from a Benz W204.
Get Erase Password, then erase it.
Read again to make sure it is not personalized and not activated.
Step 2. Flash VGS3
Connect FVDI2014/AVDI/SVCI 2020 to module, run software
Select
E-class / CLK>>W211 (As of 06/2006)>>Gasoline
Go to “Electronic Transmission Control”.
Identification. Same part number in CG MB.
Click “MAKE VIRGIN” to load CFF file.
When we get VIN later, we can write VIN on “Adaptation”.
Then it will become a real module of W211 E-class.
Step 3. Coding VGS3
Connect SD C4 to module, and open DAS.
Go to “Control Unit Version” menu, here coding is NO Value.
Development data>>Control unit adaptation>> Control unit adaptation (Variant Coding)>>SCN Variantencoding VGS 73
Select “YE9M” and confirm.
Back to “Control Unit Version” menu,
Select
Actual Values>>Drive authorization
All protection is No.
Step 4. Activate
Transmission installed in the vehicle, no feel on gear now.
On DAS, go to
Control units>>Drive>>Transmission>>Actual Values>>Drive authorization
All 4 protections are No, since we use Abrites and CGDI MB.
Back to “Transmission” menu.
Switch up the car again.
Go to
Control unit adaptations>>Detach the transport protection of control module ETC, personalize or activate the control module
Activate ETC.
Switch off the car.
Check Actual Values again.
All Yes.
Credits to hesham essam.
