instruction: From the passage note down the Well-known international brands of Germany. List the results in comma separated format.
context: Germany is a federal parliamentary republic in central-western Europe. Germany has the world's 4th largest economy by nominal GDP, and the 5th largest by PPP. As a global leader in several industrial and technological sectors, it is both the world's third-largest exporter and importer of goods.
  
  Of the world's 500 largest stock-market-listed companies measured by revenue in 2017, the Fortune Global 500, 29 are headquartered in Germany. 30 Germany-based companies are included in the DAX, the German stock market index. Well-known international brands include Mercedes-Benz, BMW, SAP, Volkswagen, Audi, Siemens, Allianz, Adidas, Porsche, Deutsche Bahn, Deutsche Bank and Bosch.
  
  Germany is recognised for its large portion of specialised small and medium enterprises, known as the Mittelstand model. Around 1,000 of these companies are global market leaders in their segment and are labelled hidden champions.
response: Mercedes-Benz, BMW, SAP, Volkswagen, Audi, Siemens, Allianz, Adidas, Porsche, Deutsche Bahn, Deutsche Bank, Bosch