Originally Posted by
iztok
Just for a point of reference. I've booked a FS room yesterday for Thursday night. I just checked the reservation and it was already upgraded to a Concierge level room in the system.
While Marriott considers a room on the concierge level an "upgrade", why don't you make the argument its really not upon check-in? I've been successful once getting a better UG saying I viewed it as a downgrade with all the floor traffic to the CL.