The 35-year-old was making his way back to the athletes' village with Cristian Katini on Friday when the vehicle crashed and he sustained head injuries.
Henze began competing in canoeing in the mid-1990s. In 2004, he won the silver medal in the C-2 event at the Summer Olympics in Athens with Marcus Becker.
DOSB president Alfons Hormann said: "We are very sad today. Words can not describe approximately what we feel in the Olympic team after this terrible loss."
Incredibly sad. Our thoughts are with his friends and family.
Words by Sian Broderick
Source : theladbible