Air bag is an easy fix, remove, unpeel, scrape off old glue, re-stick.
I would do it something so simple to repair can put off potential buyers.
Tip if you only have a little lifting, heat up the surface with a hot air gun can work.
Good news car is sold deposit paid just a test drive and the deal will be done . Had to throw a service in as part of the deal but buyer is paying for it !!! Arrived at Brands at 9.00 car sold by 10.30 . So off to Voicey's this week and the buyer wants to collect it on Friday .