We have another thread about this film which starts with a post assuring us that it's "comepletely (sic) accurate in very way", though I do wonder how anyone can be so categoric. I don't think anyone here has yet referred to this critical research between the wars by the Germans:
http://www.scribd.com/doc/99204829/German-Testimony-Regarding-Sgt-York -s-Exploits-English-1.
Marlburian
good point: there's absolutely no reason to question a single thing the german military published in the mid-to-late 1930's.
oh... wait...
Sergeant York: An American Hero
By David D. Lee
Available on Googlebooks looks at the German claims and I think those good work in rebutting them.
Link below if it works.
https://books.google.com/books?id=PuHWAgAAQBAJ&pg=PA42&lpg=PA42&dq=germans+dispute+sgt+york&source=bl&ots=wVUG4OyY1z&sig=IHF7438-4bskvJaeaq3--6Bgq9o&hl=en&sa=X&ei=OVneVOavE4WsyQSh4YCoCQ&ved=0CCwQ6AEwAg#v=onepage&q=germans%20dispute%20sgt%20york&f=false