Four days after winning the dramatic Abu Dhabi GP, the 24-year-old got his hands on the driver's championship trophy.
Mercedes announced on Thursday that they had withdrawn their appeal against the race result, but they remain deeply disappointed.
After clinching his maiden title, the 24-year-old Dutchman earns the right to switch out his regular race number 33.
Mercedes and Red Bull might be fighting hard for Formula 1 supremacy on track, but tensions between the teams off the track continues to escalate. Show
It was a case of mixed emotions for Lewis Hamiton as he finished second in the Mexico Grand Prix on Sunday.
With the title fight getting tighter, Horner has admitted to enjoying making Wolff squirm, but the latter has denied feeling any pressure.
When the weekend began, the Mercedes drivers appeared to be in good shape, lapping nearly a second faster than Verstappen in first practise.
Russell’s promotion to Mercedes, where he will replace the Alfa Romeo-bound Valtteri Bottas, is a huge step forward.
Russell has recently scored points in four of the last five Grand Prix, propelling him to 15th in the drivers' standings this year.
Valtteri Bottas will leave Mercedes as a key part of the side who won four constructors championships. But Alfa Romeo will pose a challenge.