Mercedes W220 COMAND NTG1 Service Menu

1. Choose Audio to see the source menu
2. Press Mute + 1 + 3 and hold
Menu should pop up.

I couldn't find a definite answer for the W220's NTG1. This is the only combination I could get to work. It will display firmware versions for the different components ++
Maybe there are some other combinations as well, but this definitely works.

Видео Mercedes W220 COMAND NTG1 Service Menu канала Glenn Jacobsen