The Brazilians take on the Team of Choice at Moses Mabhida Stadium on Saturday (18h00) with the winner set to pocket R4-million and the loser R1.5-million.
The trophy would be Sundowns coach Pitso Mosimane's ninth piece of silverware for the club during his tenure, having last won the TKO in 2015, while Maritzburg have never won a major domestic title.
Mosimane's side beat Golden Arrows 2-1 in the semifinal while Eric Tinker's charges upset Kaizer Chiefs by the same scoreline in the last four.
Winner
R4 000 000
Losing finalist
R1 500 000
Semi-finalists (x2)
R750 000
Quarter-finalists (x4)
R400 000
Last sixteen (x8)
R200 000
Participation fee (x16)
R250 000
Total
R14 200 000