The flight on Saturday near the Mercedes-Benz Museum was a highlight of the two-day event "Vision Smart City - Experience the mobility of the future today".
Present to witness the unmanned flight were Daimler AG boss Ola Källenius, Volocopter CEO Florian Reuter, head of Baden-Württemberg state Winfried Kretschmann, and his state interior minister Thomas Strobl.
Källenius said Daimler's partner Volocopter had shown how an air taxi is turning the dream of driving into the dream of flying.
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"At Daimler, we work on the mobility of the future too. By 2022, we will have electrified the entire Mercedes-Benz portfolio. Our goal is that electrically powered cars will account for more than half of our sales by 2030."
Reuter used the opportunity to plug the Volocopter as future air taxis.
"Air taxis open up a completely new dimension in urban mobility. As Stuttgart has seen today, they fly safely, quietly and are fast approching the implementation stage. Volocopter air taxis are able to ease traffic congestion in major cities around the world, also here in Germany."
The event was part of an initiative of a research project by the Technical University of Stuttgart to examine the social acceptance of air taxis.