There are some german double deckers available at the DLS.
<kuid2:404575:100131:1> DB DABgbuzf760
<kuid2:404575:100694:1> DB DABgbuzf777
<kuid2:404575:100695:1> DB DBuza - verkehrsrot
<kuid2:404575:100696:1> DB DBuza - verkehrsrot
<kuid2:404575:100682:1> DB DBuza - verkehrsrot
<kuid2:404575:100693:1> DB_DABgbuzf777
The names at the DLS are probably different, but the kuids are correct.
I wish, I could make models like this , but I can't. This Koef and and a couple of other Koef's are avalible on the DLS. Search for the username: Qdaty_2010