From central station:
Take every S-Bahn in direction to the station Zoologischer Garten and get off at Savignyplatz. Leave the station backwards to the direction you were coming from. Go downstairs, turn right. From here it's about 200 meters to the Pension
From airport Tegel:
Take the bus 109 to Uhlandstraße. Cross Kurfürstendamm behind the bus at the traffic lights and walk along the Grolmanstraße on the right side up to Kantstraße (approx. 200m). Walk approximately 20m to the right and you are standing in front of the entrance of Pension Peters.
From airport Schönefeld:
Take the Schönefeld-Express to the station Zoologischer Garten. There use bus X49 until Savignyplatz. Leave the bus backwards to the direction you were coming from. Cross the Kantstraße at the traffic lights. You are standing in front of Kantstraße 146. Entrance to Pension Peters 5m left of the main entrance.