PbZ 2460 is the 12:21 Tuesdays only empty stock working from München-Pasing Bbf to Frankfurt (M) Hbf. It's one of a number of services operated by DB Fernverkehr to transfer rolling stock between various depots and workshops all over Germany and often hauled by one of the remaining Class 115 electrics.
115.293 was photographed west of Uhingen with the train on the afternoon of 2 May 2017 and the same loco was on the same working a week later.