The homepage of the library you can see under http://www.bib.hs-mannheim.de/ . Here you can browse the media inventory of the library and pre-media. Furthermore, you have the possibility via eWebPAC, to download several books as e-books.
Here, it must be noted that the login for students with the Enrolment Number is with two leading zeros, e.g.: 001234567
You may use at any time, the University Library. But if you want to borrow something or use the lockers you there, you have to apply in advance an extra guest ID required at university.