F1 boss Bernie Ecclestone confirmed to the Press Association Sport last week that he has heard nothing from either Hockenheim or Nurburgring about hosting the race on July 19.
Nurburgring was meant to host the race this year but financial and ownership issues to have plagued the circuit and Hockenheim is now the other option.
Rosberg says the German GP is a must in F1. “For me, for as long as I can remember, the German Grand Prix has been legendary.
“Like the British Grand Prix, it is such a fundamental part of the F1 season.
“So it is very disappointing to hear it has not been fixed yet into the calendar, and not just for me, but for all the German fans.
“There are so many motor racing fans in Germany, and Germany has such a large representation in the sport with me, Sebastian (Vettel), Mercedes etcetera.
“A big part of F1 is Germany, so I hope it works out.”
Since the inception only three times has a F1 race in Germany failed to take place – 1955, 1960 and 2007.