| Date: | 12–19 June |
| Edition: | 40th |
| Category: | ATP World Tour 250 series |
| Draw: | 28S / 16D |
| Prize Money: | €630,785 |
| Surface: | Grass |
| Location: | Stuttgart, Germany |
| Venue: | Tennis Club Weissenhof |
| Champs: |  Lucas Pouille[1] |
| Champd: |  Jamie Murray /  Bruno Soares[2] |
| Main Name: | Stuttgart Open |
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.
See main article: 2017 MercedesCup – Singles.
Lucas Pouille defeated 
Feliciano López, 4–6, 7–6(7–5), 6–4See main article: 2017 MercedesCup – Doubles.
Jamie Murray / Bruno Soares defeated 
Oliver Marach / Mate Pavić, 6–7(4–7), 7–5, [10–5]| Country | Player | Rank1 | Seed | |
|---|---|---|---|---|
| Roger Federer | 5 | 1 | ||
| Grigor Dimitrov | 13 | 2 | ||
 Czech Republic | Tomáš Berdych | 14 | 3 | |
| France | Lucas Pouille | 17 | 4 | |
| Steve Johnson | 26 | 5 | ||
| Mischa Zverev | 31 | 6 | ||
| France | Gilles Simon | 32 | 7 | |
 Serbia | Viktor Troicki | 35 | 8 |
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:
Karen Khachanov →replaced by 
Jerzy Janowicz Jiří Veselý →replaced by Stéphane Robert| Country | Player | Country | Player | Rank1 | Seed | |
|---|---|---|---|---|---|---|
| Bob Bryan | Mike Bryan | 12 | 1 | |||
| Jamie Murray | Bruno Soares | 17 | 2 | |||
| Florin Mergea | Aisam-ul-Haq Qureshi | 52 | 3 | |||
| Oliver Marach | Mate Pavić | 67 | 4 |
The following pairs received wildcards into the doubles main draw:
