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| Nr | Driver | Team | Car | Engine | Tyre | 
|---|---|---|---|---|---|
| 1 |  Dave Charlton | Scuderia Scribante |  McLaren M23 [2] | Ford Cosworth DFV V8 3.0 | - | 
| 4 |  Ian Scheckter | Lexington Racing |  Tyrrell 007 [1] | Ford Cosworth DFV V8 3.0 | - | 
| 5 |  Eddie Keizan | Team Gunston |  Lotus 72E [R6] | Ford Cosworth DFV V8 3.0 | - | 
| 6 |  Guy Tunmer | Team Gunston |  Lotus 72E [R7] | Ford Cosworth DFV V8 3.0 | - | 
| 7 |  Mike Domingo | Team Domingo |  Brabham BT33 [1-2] | Ford Cosworth DFV V8 3.0 | - | 
| 8 |  Joe Domingo | Team Domingo |  Surtees TS9B [004] | Ford Cosworth DFV V8 3.0 | - | 
| 12 |  Roy Klomfass | Lexington Racing |  Chevron B25 [25-73-02] | Ford Cosworth FVC Smith L4 1.9 | - | 
| 15 |  Tony Martin | South Coast Motors |  Chevron B25 [25-73-01] | Ford BDA L4 2.0 | - | 
| 20 |  Nolly Limberis | Power Developments |  McLaren M10B [400-16 (B)] | Ford V8 5.0 | - | 
| 24 |  Boet Pelser | Power Developments |  McLaren M10B [400-17] | Ford V8 5.0 | - | 
| Pos | Nr | Driver | Car | Engine | Tyre | Time | Laps | 
|---|---|---|---|---|---|---|---|
| 1 | 4 |  Ian Scheckter |  Tyrrell 007 [1] | Ford Cosworth DFV V8 3.0 | - | 01:01.400 | 0 | 
| 2 | 1 |  Dave Charlton |  McLaren M23 [2] | Ford Cosworth DFV V8 3.0 | - | 01:01.600 | 0 | 
| 3 | 5 |  Eddie Keizan |  Lotus 72E [R6] | Ford Cosworth DFV V8 3.0 | - | 01:02.600 | 0 | 
| 4 | 6 |  Guy Tunmer |  Lotus 72E [R7] | Ford Cosworth DFV V8 3.0 | - | 01:02.800 | 0 | 
| 5 | 15 |  Tony Martin |  Chevron B25 [25-73-01] | Ford BDA L4 2.0 | - | 01:04.300 | 0 | 
| 6 | 12 |  Roy Klomfass |  Chevron B25 [25-73-02] | Ford Cosworth FVC Smith L4 1.9 | - | 01:04.900 | 0 | 
| 7 | 7 |  Mike Domingo |  Brabham BT33 [1-2] | Ford Cosworth DFV V8 3.0 | - | 01:05.500 | 0 | 
| 8 | 8 |  Joe Domingo |  Surtees TS9B [004] | Ford Cosworth DFV V8 3.0 | - | 01:07.100 | 0 | 
| 9 | 20 |  Nolly Limberis |  McLaren M10B [400-16 (B)] | Ford V8 5.0 | - | 01:10.300 | 0 | 
| DNQ | 24 |  Boet Pelser |  McLaren M10B [400-17] | Ford V8 5.0 | - | 0 | 
| Official Name | Natal Mercury 100 75 | 
|---|---|
| Circuit | Pietermaritzburg | 
| Date | March 29 | 
| Pole | Ian Scheckter 01:01.400 | 
| Fastest Lap | |
| Podium | 1st Ian Scheckter (40) , 2nd Dave Charlton, 3rd Eddie Keizan | 
| Prev race | Goldfields 100 March 22 | 
| Next race | Brandkop Winter Trophy May 3 | 
| P | N | Driver | Team | Car | Engine | Tyre | Time | Laps | Led | Gr | Pts | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 4 |  Ian Scheckter | Lexington Racing |  Tyrrell 007 [1] | Ford Cosworth DFV V8 3.0 | - | 00:41:32.900 | 40 | 40 | 1 | 10 | 
| 2 | 1 |  Dave Charlton | Scuderia Scribante |  McLaren M23 [2] | Ford Cosworth DFV V8 3.0 | - | 00:41:33.200 | 40 | 0 | 2 | 8 | 
| 3 | 5 |  Eddie Keizan | Team Gunston |  Lotus 72E [R6] | Ford Cosworth DFV V8 3.0 | - | 00:41:48.200 | 40 | 0 | 3 | 6 | 
| 4 | 15 |  Tony Martin | South Coast Motors |  Chevron B25 [25-73-01] | Ford BDA L4 2.0 | - | +1 lap | 39 | 0 | 5 | 4 | 
| 5 | 8 |  Joe Domingo | Team Domingo |  Surtees TS9B [004] | Ford Cosworth DFV V8 3.0 | - | +1 lap | 39 | 0 | 8 | 3 | 
| 6 | 12 |  Roy Klomfass | Lexington Racing |  Chevron B25 [25-73-02] | Ford Cosworth FVC Smith L4 1.9 | - | +2 laps | 38 | 0 | 6 | 2 | 
| 7 | 20 |  Nolly Limberis | Power Developments |  McLaren M10B [400-16 (B)] | Ford V8 5.0 | - | +4 laps | 36 | 0 | 9 | 0 | 
| DNF | 6 |  Guy Tunmer | Team Gunston |  Lotus 72E [R7] | Ford Cosworth DFV V8 3.0 | - | Valve | 12 | 0 | 4 | 0 | 
| DNF | 7 |  Mike Domingo | Team Domingo |  Brabham BT33 [1-2] | Ford Cosworth DFV V8 3.0 | - | Engine | 0 | 0 | 7 | 0 | 
| DNQ | 24 |  Boet Pelser | Power Developments |  McLaren M10B [400-17] | Ford V8 5.0 | - | DNQ | 0 | 0 | 0 | 
| Pos | Driver | Team | Pts | 
|---|---|---|---|
| 1 |  Ian Scheckter |  Tyrrell | 20 | 
| 2 |  Dave Charlton |  McLaren | 18 | 
| 3 |  Guy Tunmer |  Lotus | 16 | 
| 4 |  Mike Domingo |  Brabham | 10 | 
| 5 |  Roy Klomfass |  Chevron | 8 | 
| 6 |  Tony Martin |  Chevron | 8 | 
| 7 |  Eddie Keizan |  Lotus | 6 | 
| 8 |  Joe Domingo |  Surtees | 6 | 
| 9 |  Nolly Limberis |  McLaren | 2 | 
| Year | Official Name | Circuit | Date | Winning Driver | Team | Laps | Time | Formula | 
|---|---|---|---|---|---|---|---|---|
| 1975 | Natal Mercury 100 75 | Pietermaritzburg | March 29 |  Ian Scheckter |  Tyrrell | 40 | 00:41:32.900 | SAF1 | 
| 1974 | Natal Mercury 100 74 | Pietermaritzburg | April 13 |  Dave Charlton |  McLaren | 40 | 00:41:59.200 | SAF1 | 
| 1973 | Natal Mercury 100 73 | Pietermaritzburg | April 23 |  Dave Charlton |  Lotus | 60 | 01:02:16.100 | SAF1 | 
| Driver | Races | 1st | 2nd | 3rd | Podiums | Poles | Fastest | Avg Grid | Avg Pos | Points | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Dave Charlton | 3 | 2 | 1 | 0 | 3 | 1 | 1 | 5.7 | 1.3 | 27 | 
| 2 |  Ian Scheckter | 3 | 1 | 1 | 0 | 2 | 2 | 1 | 2.0 | 2.3 | 21 | 
| 3 |  Eddie Keizan | 3 | 0 | 1 | 1 | 2 | 0 | 0 | 2.3 | 3.0 | 16 | 
| 4 |  Paddy Driver | 2 | 0 | 0 | 2 | 2 | 0 | 0 | 3.0 | 3.0 | 10 | 
| 5 |  Tony Martin | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 7.3 | 6.0 | 6 | 
| 6 |  Joe Domingo | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 11.5 | 7.5 | 3 | 
| 7 |  Mike Domingo | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 9.7 | 10.0 | 3 | 
| 8 |  Roy Klomfass | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 6.0 | 2 | 
| 9 |  Guy Tunmer | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 5.0 | 8.7 | 2 | 
| 10 |  Peter Haller | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 9.5 | 6.5 | 1 | 
| 11 |  Jackie Pretorius | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 8.0 | 12.0 | 0 | 
| 12 |  Derek Tunmer | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 7.0 | 0 | 
| 13 |  John Amm | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 9.0 | 9.0 | 0 | 
| 14 |  Rob Thomas | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 18.0 | 13.0 | 0 | 
| 15 |  Nols Niemann | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 10.0 | 9.0 | 0 | 
| 16 |  Brian von Hage | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 14.0 | 0 | 
| 17 |  Bill Scheepers | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 11.0 | 8.0 | 0 | 
| 18 |  Meyer Botha | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.0 | 15.0 | 0 | 
| 19 |  Kipp Ackermann | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 12.0 | 13.0 | 0 | 
| 20 |  Nolly Limberis | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 11.0 | 9.0 | 0 | 
| 21 |  Fred Cowell | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 14.5 | 10.5 | 0 | 
| Team | Races | 1st | 2nd | 3rd | Podiums | Poles | Fastest | Avg Grid | Avg Pos | Points | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  Lotus | 3 | 1 | 1 | 2 | 3 | 2 | 0 | 2.4 | 3.4 | 29 | 
| 2 |  McLaren | 3 | 1 | 1 | 1 | 3 | 0 | 1 | 9.8 | 7.8 | 22 | 
| 3 |  Tyrrell | 3 | 1 | 1 | 0 | 2 | 1 | 0 | 1.7 | 2.3 | 20 | 
| 4 |  Chevron | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 6.1 | 7.9 | 11 | 
| 5 |  Surtees | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 11.3 | 8.5 | 4 | 
| 6 |  Brabham | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 7.5 | 8.8 | 3 | 
| 7 |  March | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 6.5 | 10.0 | 2 | 
| 8 |  Lola | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 14.7 | 10.3 | 0 |