Lovely and spacious home not far from Potzdamer Platz. Alex was easy to communicate with before and throughout the trip. The place is as described in the listing. Great shower. Fast WiFi. We were able to find parking within 5 min walk but street is quiet so you can easily bring the car up and load/unload luggage.
Occasionally we heard sirens but it seemed to only be during early evening.
We had no issues. Would recommend.