From the North with S-Bahn:

with the S-Bahn easterly until Friedrichstrasse,
change S 25 Richtung Teltow Stadt. Exit: Osdorferstraße. Get out in the direction of travel, keep left.

From the South with S-Bahn:

S-Bahn until Südkreuz, change S-Bahn S25 in direction Teltow Stadt. Exit: Osdorferstraße. Get out in the direction of travel, keep left.

Bus

Busstop directly at the hostel: Bus 112, Bus 186, Bus N88

Busstop Ostpreußendamm/Osdorfer Str. (ca. 300m): Bus 117, Bus N84

Lage
The Hostel lies in the south of  Berlin im Bezirk Steglitz - Lichterfelde. The city limit is 3km off, ideal for trips to Potsdam, Sanssouci oder Brandenburg. Due to the excellent connection of the public rail network (S-Bahn and Bus) you'll get in the city center within 20 min. The S-Bahn Station is 50m far away of the hostel Lichterfelde.