Germany does have such protection. Parent was probably wildly speculating:
I think you meant to link to https://de.m.wikipedia.org/wiki/Aussageverweigerungsrecht . Auskunftsverweigerungsrecht, according to the article, is a right of witnesses.
We were talking about the rights of witnesses?
Germany doesn't have protections against self-incrimination? Or does this rely on the suspect being too cooperative for his own good?