The 2017 MercedesCup was a men's tennis tournament played on outdoor grass courts.

It was the 40th edition of the Stuttgart Open, and part of the ATP World Tour 250 series of the 2017 ATP World Tour.

It was held at the Tennis Club Weissenhof in Stuttgart, Germany, from 12 June until 19 June 2017.

Fourth-seeded Lucas Pouille won the singles title.

The following players received wildcards into the singles main draw: The following players received entry using a protected ranking: The following players received entry from the qualifying draw: The following pairs received wildcards into the doubles main draw: