Change the headline to: Lied der Panzergrendiere (last n omitted)

"Panzerkameraden": lit. armoured comrades. I never heard soldiers of the American garrison nearby address themselves as "tankers", always as armoured.

"Armoured": Nowadays nobody would think of a modern infantryman wearing a tin suit. It is now widely understood as using armoured combat vehicles. In the west often "mechanized infantry" is used.

In the armies of the Warszaw Treaty Organization the infantrymen were called "motorized riflemen", but they sat in APCs.

"Tank support squad" is the wrong word for an entire arm which is able to fight for its own, too. Sometimes the infantry did the main work and was supported by tank troops.

"poor buggers": After the victories in Poland and especially France where they defeated two armies, and the advance in Russia they were a proud lot. But after Stalingrad ...