If I'm back in the area I'll give Staffele another visit, but I'm rounding up from 3.5 based on the…read morefirst visit.
Staffele is a cute little place tucked back into the side streets in the seam between the Mitte, Sud, and West neighborhoods, a quick walk from Feuersee. The inside is old-school dark and pub-like, but outside they have a small (covered) beer garden with a handful of tables. You are right in the city, but tucked into a tiny side-street, so it's still nicely quiet. We found the service to be okay, but even more business-like than our other meals of the week.
As far as the food went, the jaegerschnitzel was good, and the maultaschen with eggs was one of my favorite dishes of the trip. Usually maultaschen seems to be served as a giant meat-filled ravioli with a cream sauce or broth, but here they serve it chopped into bite-sized pieces, pan-fried with eggs, and without sauce (vaguely like fried-rice, but with meat ravioli). It was a nice change of pace and a tasty choice. If I find myself in the area again, I'll stop by and try some more of the menu out...