Today this message appeared on the cluster while driving. There was a passanger in the front seat and was I was driving for 20 minutes already.

Does it mean it was disabled before that?

 

Probably not. Was it a smaller person in the passenger seat, larger adult, kid that’s allowed up front, had they been moving around, or it just pop up in normal driving? My wife sometimes has moved around weirdly (turning to help in the back seat) and I’ve had it pop up on my MBs but not normally.

 

That message means the airbag is on even when it didn't met the "threshold" (not enough weight, or possible it can't determine if it is a person or not).
If that message show up when there is no one (and no object) in the front passenger seat, then you will need to get someone check out the system.


As for the front passenger airbag status, you can always check the indicator light in the center console.