There is a lot to like about this place. The room itself is very nice and very large. However, the apartment building is a bit older and a bit more run down than the photos convey.
The location is okay. It is very close to the S-Bahn making trips to/from the airport easy and it is close to a number of grocery stores. There isn't much in walking distance though. I think I would have preferred something a bit more central.
Lanxi is super nice and very welcoming. She offered me fruit, did my laundry, and was very helpful during my stay. There were a few things I hadn't expected that slightly lessened my experience. Lanxi smokes (although not very often and always with the window open). A third party (one of Lanxi's friends) also stayed at the apartment on 5 of the 8 nights I was there. Lanxi asked to borrow a pair of my socks and they came back with a hole in them. The internet didn't work for 2-3 days and we had to borrow the neighbor's internet after that. None of these things on their own are a big deal, most are understandable, and some weren't even Lanxi's fault. That being said, it made a generally nice experience a little annoying at times.