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| DR Class 270 DBAG Class 485/885 | |
|---|---|
 DBAG Class 485 at Berlin Prenzlauer Allee station | |
| In service | 1990–2023 |
| Manufacturer | AEG |
| Constructed | 1987 (pilot series), 1990–1992 |
| Number built | 166 power cars, 166 trailer cars |
| Number in service | 0 |
| Operators | Deutsche Bahn AG Berlin S-Bahn |
| Specifications | |
| Train length | 36.2 m (118 ft 9 in) |
| Maximum speed | 90 km/h (56 mph) |
| Weight | 59 t (58 long tons; 65 short tons) |
| Electric system(s) | 750 DC third rail |
| Current collector(s) | Contact shoe |
| UIC classification | Bo′Bo′+2′2′ |
| Safety system(s) | mechanical train stop |
| Track gauge | 1,435 mm (4 ft 8+1⁄2 in) standard gauge |
The DR Class 270 was an electric multiple unit of the Berlin S-Bahn. It was designed for the Deutsche Reichsbahn (East Germany) and was intended to be the replacement for the ageing fleet of S-Bahn units in East Berlin. Test runs were started in 1987 and the first batch was delivered in 1990. After German reunification, Class 270 units were reclassified as DBAG Class 485. A second batch was cancelled in favour of a new design, the DBAG Class 481.