Und Vor Lust Zu Sterben (1960)

aka's: Et Mourir De Plaisir/Carmilla/Blood And Roses/Il Sangue E La Rosa/To Die With Pleasure

Young Carmilla (Annette Stroyberg) is jealous of her friend's engagement, and her obsession leads her to the tomb of a female vampire. The vampire possesses her and leads her to kill and terrorize the inhabitants of the estate. But is it all in her mind, or is she really under the control of an ancient vampire ancestor? Also stars Mel Ferrer and Elsa Martinelli. (In German language, with English subtitles).

Comes from an excellent widescreen import print.