Mario was super helpful since he answered really quickly, provided us with all the information about the best sightseeing tour and let us check-in earlier and leave our luggage until our return trip!
The apartment was also nice, really clean and the beds and sofa were comfortable! We especially felt like home when seeing the Stuttgart library picture at the wall and realizing having Lidl closeby :D
The breakfast is really worth the money (a hot and cold drink plus some slices of bread, jam and cheese for 2,50€!).
We enjoyed using the kitchen, too! If everyone would like to use it, it could get a little bit crowded. But I guess since everyone wants to go out to have dinner and the famous port wine ;), it's just alright and well equipped!
The location is also good since it is easy to walk to the city centre (about 15 minutes).