 According to the station directory of the BVG (Berlin Transport Company), the station has an escalator but no elevator, and is therefore not completely accessible.As of 1 February 2019 the lift is in operation 

The development of the area around the present Adenauerplatz was planned in 1913.The Kurfuerstendamm line (later U3, today U1) was to cross further westwards from the Uhlandstrasse station, the present-day terminus, and terminate at Theodor-Heuss-Platz station.