| 2011 MercedesCup | |
|---|---|
| Date | 11–18 July |
| Edition | 34th |
| Category | World Tour 250 |
| Draw | 32S / 16D |
| Prize money | €398,250 |
| Surface | Clay / outdoor |
| Location | Stuttgart, Germany |
| Venue | Tennis Club Weissenhof |
| Champions | |
| Singles | |
 Juan Carlos Ferrero[1] | |
| Doubles | |
 Jürgen Melzer /  Philipp Petzschner[2] | |
The 2011 MercedesCup was a men's tennis tournament played on outdoor clay courts. It was the 34th edition of the Stuttgart Open, and was part of the ATP World Tour 250 series of the 2011 ATP World Tour. It was held at the Tennis Club Weissenhof in Stuttgart, Germany, from July 11 through July 18, 2011. Unseeded Juan Carlos Ferrero won the singles title.