From the airport
From Berlin Brandenburg Airport BER: Take either the FEX Airport express train RE7 or RB14 regional train to Friedrichstrasse station. Alternatively the S9 S-Bahn also goes to this station. The hotel is right next to the train station on the left. It’s a 25 minute trip.
Taxi: It's a 30-40 minute trip and is around €55.
For public transportation in zones A and B exclusively: choose between a single ticket (3,00 €), a day ticket (8,80 €) or a ticket for a week (36,00 €). Within the ticket price, you can take the train and the bus in sector A and B.