If you purchase Mafia II (Classic) or Mafia II: Definitive Edition on Steam in Germany, Switzerland, or Austria, Steam automatically downloads the localized version. But here is the catch: (which usually weighs around 2-3 GB).
How to Install and Activate the Mafia II German Language Pack mafia 2 german language pack
Replaces the original English dialogue with German voice acting for characters like Vito Scaletta and Joe Barbaro. Subtitles & Text: If you purchase Mafia II (Classic) or Mafia
: Some users change the language directly in the 2K launcher before starting the game. mafia 2 german language pack