Model: The car has factory-installed LED interior lighting and current-conducting couplers. The interior lighting works only in conjunction with the center entry cab control car and can be turned on and off digitally with a decoder in the cab control car. There are red transparent marker light inserts on the ends of the car. The underbody is specific to the type of car. The trucks are type Minden-Deutz heavy with double brake shoes. The minimum radius for operation is 360 mm / 14-3/16". Restroom downpipes and push/pull train control lines are included as separately mounted parts for presentation in a display case.

Length over the buffers 28.2 cm / 11-1/8".

Prototype: German Federal Railroad (DB) passenger car, 2nd class, for so-called lightweight express trains (LS). Type Bymb 421. Colloquially also known as "center entry cars". Version with small marker lights at the ends near the top of the car and one-piece windows at the entries on the ends of the car. Chrome oxide green paint scheme. The car looks as it did around 1969.

Cars to go with this car can be found at Ajckids in the Märklin H0 assortment under item numbers 43120 and 43330.

A locomotive to go with this car can be found at Ajckids in the Märklin H0 assortment under item number 39785.

This model can be found at Ajckids in a DC version in the Trix H0 assortment under item number 23160.

• Factory-installed LED interior lighting.
• Operating current-conducting couplers.
• Interior lighting for the entire car consist can be digitally controlled with a decoder in the cab control car.