Schöneicher-Rüdersdorfer Staßenbahn (SRS) operates route 88 (metre gauge) from the S-Bahn station Friedrichshagen  to Rüdersdorf in the eastern suburbs of Berlin using second hand equipment acquired from Cottbus & Heidelberg.
Tram 24 was built by Tatra in 1979 as Cottbus 12 and was acquired by SRS in 1994 and then modernized by MGB in 1999 to KT4DM. It is a 4-axle 2-section articulated tram.

SRS 24 at the tram depot on Monday April 16th, 2007.