How to Clone Mercedes VGS-NAG3 Gearbox with LAUNCH X431 ECU Clone Software

This is a tutorial on how to clone the Mercedes-Benz VGS-NAG3(9G Tronic) gearbox with Launch X-PROG3 PC Adaptor + X431 GIII on a bench.

You can also do the same process with LAUNCH X431 G5 XPROG5 Programmer or X431 ECU & TCU Programmer if having one.

 

Open ECU Clone software (old version name is X-PROG3 PC Adaptor software; they are the same),

Search ECU model:

Mercedes, C180 2012-2018, M274. 920 1991 207, VGS-NAG3 (9G Tronic)

 

Connect Launch X-PROG3 PC Adaptor + X431 GIII with gearbox according to wiring diagram in “Direct connection of diagram”.

Click “Connect” once finished.

 

Click “Read complete data”.

Reading all data…

Save VGS-NAG3 data file.

 

Disconnect and reconnect to another gearbox.

Click “Read complete data” again.

Write complete data >> Load data file

Write all data completed.

 

Mercedes-Benz VGS-NAG3 gearbox clone was done.

 

Contact:
Email: sales@x431tool.com
WhatsApp: +86 18186426016