The DBAG Class 490 is a three-car dual-voltage electric multiple unit train for the Hamburg S-Bahn.

It was manufactured jointly by Bombardier Transportation and Alstom in 2013.

A single unit consists of 3 cars with the outer two having cabs.

Trains can operate on the 1200 V side contact third rail and 15 kV overhead wires.

It is currently the only train on the Hamburg S-Bahn with air conditioning.