According to two different movie theaters, the Rio Theater (Vancouver, Canada) and Village Cinema’s (Australie), Rammstein Paris will get it’s theater premiere on 23 march 2017.
Probably the DVD/Blu-Ray release will follow shortly after this.
Also other theaters mention the Rammstein Paris release.
United Kingdom: https://ticketing.broadway.org.uk/Browsing/Movies/Details/f-A000000351
The Netherlands: https://www.pathe.nl/film/22766/rammstein-paris