“Germany: In 2011, after having put online the pictures of the 20 largest cities, Google stopped taking Street View images in Germany.
[55] However, as of mid-2020, Google's website shows numerous areas of Germany as being scheduled for coverage by Street View vehicles over the ensuing months”
Chances are the government prohibited it under updated privacy laws. Google is only allowed to do Street-View in countries that allow it. Luckily for us, Australia has pretty up-to-date coverage