Redwood seems to be constantly changing things like TV mounts. The mounts in our '16 MB are entirely different than what was in our '12 RL.
Try and get a light and see if you can see anything behind the TV.
Michelle & Ann
2018 Chevy 3500HD Crew Cab High Country DRW, D/A, 2016 RW39MB, Dual ACs, Auto Level, Auto Sat Dish, Stack W/D, King Sleep #, 17.5" Sailuns w/Disc, MORryde IS & Pin, Comfort Ride Hitch, 5.5 Onan, Res Fridge & Induction Cook Top