Bernd and Isabelle are such warm and welcoming hosts, I felt at home right away. The room itself is clean and very comfortable - the neighbourhood is quiet, and you can make the room very dark to ensure a good night's sleep. you also have access to the kitchen if you want.
The location is excellent - lots of cafes and restaurants nearby, and plenty of green space with several lovely parks. The U-Bahn is 5 minutes away, and it's just 6 stops to Friedrichstraße.
Highly recommended!