Good to hear that you have been able to obtain some more information.
For August 1944 this is the entry for that Number...
(25.1.1943-31.7.1943) Regimentsstab, Stabskompanie u. 13. Kompanie Grenadier-Regiment 848
...and Gren.Rgt 848 belonged to 282 Infantry Division which was indeed destroyed when 6 Armee was encircled in Romania in August 1944.
There is a book about the fighting in that region - http://www.amazon.co.uk/Red-Storm-Over- ... 620&sr=1-1