I took mtnguy's advice and emailed them and said I thought it was false advertising. They responded and asked for more info...MFG. no, serial etc. and said they would look into it. I'll keep you posted.
Sad thing is, I already ordered one from the rv parts guy here..................
Dometic hasn't been able to update all their links for the 2652, but it has had a revamp. I was directed to the same URL that Momma Tac posted. It no longer comes with the 4th shelf.