Autel MaxiDas DS808 turn off Mercedes SRS light on

Have SRS warning light on, my car is 2004 Mercedes Benz C240 Gasoline, VIN WDBRH81J74F499208, I am using Autel MaxiDAS DS808 to turn off the airbag light on. Following parts are procedure.

Turn on MaxiDAS DS808

As you can see I have Mercedes Benz SRS warning light on.

Automatically read out the VIN

Choose “from 09/2003-12/2007”

Press Button Left to select: Left-hand steering.

Confirm vehicle information

Choose “Body”

Choose “AB-Airbag”

I can buying  this from MaxiDAS DS808 .