Prototype: German Federal Railroad (DB) type B4üwe four-axle express train passenger car, 2nd class (standard design from 1928 to 1930). Bottle green basic paint scheme. Arched roof, end ladders, and diaphragm connections. The car looks as it did in Era IIIb.
Model: The car is a detailed version in full scale length. The minimum radius for operation is 360 mm / 14-3/16. The trucks are type Görlitz II heavy. There are separately applied ladders on the ends of the car and separately applied grab irons. The car has a multi-colored interior. The 7319 current-conducting couplings or the 72022 current-conducting couplers, the 73406 pickup shoe, and the 73410/73411 LED interior lighting can be installed on the car.Length over the buffers 25.0 cm / 9-7/8.DC wheelset E700600.

The new tooling for the express locomotive road number 18 323 to go with this car can also be found under item number 38323 in the Märklin H0 assortment.