Reiner's airbnb is located in an idyllic haven of gardens and homes, just a short walk from the U Bahn which runs very frequently. His place is very clean and quiet. Check-in was straight forward. The room has comfortable beds, a view of lovely gardens below, and space to settle in. Unfortunately, my schedule did not permit us to meet, however, communication was immediate and clear. Fortunately, I can write in German.
Another high point is the shower, which has a rainfall option in addition to various water flow settings--great for relaxing after a long day in the city. I would definitely recommend Reiner's Airbnb as a lovely retreat from the city that is easy to access by public transport. Especially I enjoyed seeing various wild bird species fairly up close as I walked to the station.