Took this off mine after it had a couple of arguments with pillar.
Powerfold works 100% as does puddle light and the mechanism seems to be moving the glass, but this pops out so there could be an issue there.
Might be of use to someone for parts.
Have it on ebay starting at £6 plus £9 postage
https://www.ebay.co.uk/itm/Volvo-XC9...4AAOSwocteZLwv