Kellet and Raines went to the University of Berlin. There is no such university in Berlin; the closest might be Free University of Berlin.
Ganz, a German, calls out in English when he suspects a burglar. While it is shortly revealed he was Stasi, he should call out in German first.
Europol Agent Katrin Jaeger pointed a handgun at Simon to apprehend him. In reality, Europol staff members do not carry firearms even in the field.