When I was stationed in Germany in the early 70's, it was my sense that the "over-50" Germans seemed to like us Americans. They would stop and talk to us on the street, etc.
The middle-aged Germans (that are in power now) hated our guts. They would make under-the-breath comments about Auslanders, thinking we were to dumb to understand that was the equivalent of "nigger" here in the states. They would charge us twice the going rate for rent, or anything else they could get away with.
The Germans who were our age or younger seemed to tolerate us OK, too. Mostly, they just wanted us to buy booze and cigarettes for them at the PX.