Originally Posted by Non-NonRev
I have run into this as well (seemingly on trains that travel between regional cities. A couple of years ago my nonstop train out of Erfurt was cancelled, and a different train was substituted (which did not go on to Hannover, necessitating a change). The seating on the substitute train was quite worn, and as above, there were no ports in either 1. or 2. class.
Actually it happend to me on one of their main routes (Berlin-Frankfurt). This was what me surprised most, as I thought they would use better trains then.