Pit Lane F1
Iso Marlboro
Arturo Merzario terminou em P17 no Campeonato Mundial de 1974 com 4 pontos. Em 14 corridas: 0 vitórias, 0 pódios e 0 pole positions — melhor resultado P4.
| Round | Race | Team | Grid | Finish | Points | Status |
|---|---|---|---|---|---|---|
| 1 | Argentine Grand Prix | Iso Marlboro | 13 | P21 | Overheating | |
| 2 | Brazilian Grand Prix | Iso Marlboro | 9 | P21 | Throttle | |
| 3 | South African Grand Prix | Iso Marlboro | 3 | P6 | 1 | Finished |
| 4 | Spanish Grand Prix | Iso Marlboro | 7 | P17 | Accident | |
| 5 | Belgian Grand Prix | Iso Marlboro | 6 |
| P29 |
| Transmission |
| 6 | Monaco Grand Prix | Iso Marlboro | 14 | P21 | Collision |
| 8 | Dutch Grand Prix | Iso Marlboro | 21 | P16 | Gearbox |
| 9 | French Grand Prix | Iso Marlboro | 15 | P9 | +1 Lap |
| 10 | British Grand Prix | Iso Marlboro | 15 | P21 | Engine |
| 11 | German Grand Prix | Iso Marlboro | 16 | P19 | Throttle |
| 12 | Austrian Grand Prix | Iso Marlboro | 9 | P20 | Fuel system |
| 13 | Italian Grand Prix | Iso Marlboro | 15 | P4 | 3 | Finished |
| 14 | Canadian Grand Prix | Iso Marlboro | 19 | P24 | Handling |
| 15 | United States Grand Prix | Iso Marlboro | 15 | P17 | Electrical |