Short answers, pulled from the story.
The Mercedes-Benz Stadium officially opened on the 26th of August 2017 after multiple schedule shifts caused by roof complexity. The venue received its certificate of occupancy before the Georgia Dome demolition resumed on the 20th of November 2017.
Total public spending exceeded US$700 million with the city contributing US$200 million in bonds and state funding adding US$40 million for parking expansion. The final approved cost reached US$1.2 billion as reported by the Georgia World Congress Center board in December 2014.
Sports Business Daily reported the contract valued at US$324 million spanning 27 years following confirmation from Mercedes-Benz USA CEO Steve Cannon on the 24th of August 2015. This agreement represents the largest marketing deal in company history though full value disclosure was declined.
Closing the roof takes slightly less time than opening it because the system must disengage seals at the start and slow down to prevent derailment. The eight translucent triangular panels operate on two straight parallel rails where one rail moves the panel while the other stabilizes it.
The venue hosted matches during the 2024 Copa América including group stage games on June 20 and the 27th of June 2024 alongside six matches for the 2025 FIFA Club World Cup starting the 16th of June 2025. Eight matches will take place during the 2026 FIFA World Cup including five group stage games and one semifinal match.