The effort will be run by Winward Racing with support from energy drinks giant Red Bull.
Verstappen will be joined by factory Mercedes-AMG drivers Dani Juncadella, Jules Gounon, and Lucas Auer.
Before contesting the Nurburgring 24, Verstappen and co will contest the Nürburgring Langstrecken-Serie races.
The team will enter NLS1 on March 14, LN2 on March 21, and the Nurburgring 24 qualifiers on April 18-19.
Verstappen will miss NLS1 as it clashes with the upcoming Chinese Grand Prix at Shanghai, but will contest NLS2.
The Mercedes-AMG GT3 will sport #3 – the same number that Verstappen uses in Formula 1.
“The Nurburgring Nordschleife is a special place,” said Verstappen.
“There’s no other track like it. The 24h Nurburgring is a race that’s been on my bucket list for a long time, so I’m really thrilled we can make it happen now.
“Last year, I was able to get my DMSB Permit Nordschleife and participate in NLS9, that we won.
“That preparation is very valuable, as we have learned a lot that we can take into our programme this year with NLS2 and the 24-hour race.
“We’ve got a strong line-up with Dani, Jules and Lucas and great support from Red Bull and Mercedes-AMG Motorsport.
“Now it’s about putting in the right preparations before the events, so we can maximise everything in the races.”
The Nurburgring 24 is slated for May 16.