It does say hatchback right there in the page title, and the URL....Erm.... 3 doors
http://www.caranddriver.com/carbodystyles/hatchback_3_-_door/
and um i guess you could say that some old Mercedes have 5 doors because some of them had those built in kiddie seats in the back facing the rear... did i just blow your mind or what!
Still waiting on my shirt.