| 🇮🇹Italian Grand Prix 1955 | 11 Sept 1955 | Mercedes | 3 | Gearbox | |
| 🇬🇧British Grand Prix 1955 | 16 Jul 1955 | Mercedes | 4 | 3 | 4 |
| 🇳🇱Dutch Grand Prix 1955 | 19 Jun 1955 | Mercedes | 3 | Spun off | |
| 🇧🇪Belgian Grand Prix 1955 | 5 Jun 1955 | Mercedes | 6 | Oil leak | |
| 🇦🇷Argentine Grand Prix 1955 | 16 Jan 1955 | Mercedes | 10 | 4 | 1 |
| 🇪🇸Spanish Grand Prix 1954 | 24 Oct 1954 | Mercedes | 12 | 5 | 2 |
| 🇮🇹Italian Grand Prix 1954 | 5 Sept 1954 | Mercedes | 4 | Accident | |
| 🇨🇭Swiss Grand Prix 1954 | 22 Aug 1954 | Mercedes | 5 | Fuel system | |
| 🇩🇪German Grand Prix 1954 | 1 Aug 1954 | Mercedes | 23 | 4 | 4 |
| 🇬🇧British Grand Prix 1954 | 17 Jul 1954 | Mercedes | 6 | 7 | |
| 🇫🇷French Grand Prix 1954 | 4 Jul 1954 | Mercedes | 2 | 2 | 6 |