XC60 Power Window Failure

I have a similar XC60, and experienced something comparable recently. Were you experiencing any intermittent issues before the complete failure? Any clicking sounds coming from the door panel?

Prior to this, the window operation seemed hesitant. I did perceive a faint 'tick' from the driver's side door, but dismissed it. Could this be the clue?

That sounds extremely familiar. The hesitant operation and the clicking noise are classic symptoms. I'd say it's highly likely your power window switch is the culprit. I ended up going to a workshop to have it checked. Probably best to do the same.

Following your recommendation, I went to my trusted repair shop. The diagnosis mirrored your assessment: a defective power window switch! The replacement, a 200€ investment, has restored the harmonious operation of my windows. Thank you!