The German Steelbook with plastic slipcover came with the same manual sheet as the regular edition, and a Survivor Pack DLC sheet.
1. Front of Steelbook inside slipcase
2. Back of Steelbook inside slipcase
3. Front of Steelbook
4. Back of Steelbook
Thanks to eBay members mogwai173 (images 1-2) and coldi701 (images 3-5).