We stayed for a month.
There are no bedroom doors. The main room is very nice. There was a beautiful balcony that would be wonderful in summer.
Internet didn't work for us and I had to get an O2 hotspot.
There is no personal privacy and you can easily hear everything from all the beds, if that's important to you.
Very closer to a small mall and several restaurants. Close to the subway (S-Bahn)
Overall we liked it and would stay again.