The Mövenpick Hotel Stuttgart Messe & Congress is located right next to the exhibition center and Stuttgart Airport, near the A8 motorway. If you arrive by public transport, the next station of the tram "S-Bahn" at the airport is only 250 meters away. From there, lines S2 and S3 run at regular intervals to the main train station in Stuttgart (aprox. it takes 27 minutes by tram).
You can find more information here: Mövenpick Hotel Stuttgart Messe & Congress
Mövenpick Hotel Stuttgart Messe & Congress
If you arrive by car, you can use the parking areas (with costs).