| 21.8.1955 | Buchanan Field [Modified +1.5] | | 300 SL | | | raced |
| 27.8.1955 | Oulton Park International | 34 | 300 SL | Stirling Moss | Stirling Moss Ltd. | DNA |
| 3.9.1955 | Preliminary Santa Barbara [Production +2.0] | 67 | 300 SL | Terry Hall | Terry Hall | DNA |
| 3.9.1955 | Preliminary Santa Barbara [Production +2.0] | 230 | 300 SL | Reventlow / Kessler | Brondie Countless | DNA |
| 4.9.1955 | Stockholmsloppet [GT+2.0] | 41 | 300 SL | Karl Kling | | DNA |
| 4.9.1955 | Stockholmsloppet [GT+2.0] | 42 | 300 SL | Hans Tak | | DNA |
| 4.9.1955 | Stockholmsloppet [GT+2.0] | 43 | 300 SL | Olle Persson | | 3rd |
| 4.9.1955 | Stockholmsloppet [GT+2.0] | 44 | 300 SL | Bengt Martenson | | 1st |
| 4.9.1955 | Stockholmsloppet [GT+2.0] | 45 | 300 SL | Stig Eklund | | DQ |
| 4.9.1955 | SCCA National Thompson [DP] | 46 | 300 SL | George Arents | | 2nd |
| 4.9.1955 | Stockholmsloppet [GT+2.0] | 46 | 300 SL | Erik Lundgren | | 2nd |
| 4.9.1955 | Stockholmsloppet [GT+2.0] | 47 | 300 SL | Güinther Magnusson | | DNA |
| 4.9.1955 | Stockholmsloppet [GT+2.0] | 48 | 300 SL | E. Heinrich Fassé | | DNA |
| 4.9.1955 | Santa Barbara [Production +1.5] | 67 | 300 SL | Terry Hall | Terry Hall | DNA |
| 4.9.1955 | SCCA National Thompson [DP] | 70 | 300 SL | Art Simmons | | 1st |
| 4.9.1955 | SCCA National Thompson [DP] | 92 | 300 SL | Byron Roudabush | | 3rd |
| 4.9.1955 | Santa Barbara [Production +1.5] | 230 | 300 SL | Reventlow / Kessler | Brondie Countless | DNA |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 1 | 300 SL | Stacy Carkhuff | | 3rd |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 91 | 300 SL | Charles Hassan | | 2nd |
| 5.9.1955 | SCCA National Kansas City [CP+DP+EP] | 93 | 300 SL | Bud Seaverns | | 1st |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | 93 | 300 SL | Bud Seaverns | | 1st |
| 5.9.1955 | Preliminary Kansas City [CP+DP+EP] | | 300 SL | Paul O'Shea | | DNF |
| 10.9.1955 | SCCA National Road America [DP+EP] | 36 | 300 SL | Art Simmons | Arthur R. Simmons | 4th |
| 10.9.1955 | SCCA National Road America [DP+EP] | 45 | 300 SL | Hector Scheffer | Hector S. Scheffer | DNA |
| 10.9.1955 | SCCA National Road America [DP+EP] | 101 | 300 SL | Bill Victor | Bill Victor | DNA |
| 10.9.1955 | SCCA National Road America [DP+EP] | 130 | 300 SL | Paul van Antwerpen | Paul van Antwerpen | 3rd |
| 10.9.1955 | SCCA National Road America [DP+EP] | 143 | 300 SL | Paul O'Shea | George E. Tilp | 1st |
| 10.9.1955 | SCCA National Road America [DP+EP] | 159 | 300 SL | Fred Sclavi | Fred Sclavi | DNF |
| 10.9.1955 | SCCA National Road America [DP+EP] | 162 | 300 SL | Dan Boylan | Daniel J. Boylan, Jr. | 7th |
| 10.9.1955 | SCCA National Road America [DP+EP] | 193 | 300 SL | Bud Seaverns | A. L. Schmidt | 2nd |
| 10.9.1955 | SCCA National Road America [DP+EP] | 888 | 300 SL | Charles Hassan | C. R. Hassen | DNA |
| 11.9.1955 | SCCA National Road America [BM+CM+DM] | 115 | 300 SL | Charles Fifield | Charles W. Fifield | 10th |
| 11.9.1955 | National Tres Arroyos | | | José-Maria Ibanez | | 2nd |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 18 | 300 SL | Paul O'Shea | George Tilp | 1st |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 65 | 300 SL | Ed Hugus | J. Edward Hugus | 2nd |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 67 | 300 SL | Art Simmons | Arthur R. Simmons | DNF |
| 17.9.1955 | AMOC Oulton Park [Sports Unlimited] | 92 | 300 SL | S, Tillyard | S, Tillyard | DNA |
| 17.9.1955 | USAF Trophy Oulton Park | 92 | 300 SL | S, Tillyard | S, Tillyard | DNA |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 133 | 300 SL | Paul van Antwerpen | Paul von Antwerpen | DNA |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 142 | 300 SL | George Arents | | DNF |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 226 | 300 SL | Byron Rondabush | Byron Rondabush | DNA |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 230 | 300 SL | Fred Sclavi | Fred Scalvi | DNA |
| 17.9.1955 | SCCA National Watkins Glen [Formula Libre] | 241 | 300 SL | Dan Boylan | Daniel J. Boylan, Jr. | 2nd |
| 17.9.1955 | SCCA National Watkins Glen [CP+DP+EP] | 248 | 300 SL | Chester Flynn | Chet Flynn | 8th |
| 18.9.1955 | Tourist Trophy | 1T | 300 SLR Uhlenhaut Coupé | Fangio / Kling / Moss / von Trips | Daimler-Benz AG | T-car |
| 18.9.1955 | Tourist Trophy | 2T | 300 SLR | Stirling Moss | Daimler-Benz AG | T-car |
| 18.9.1955 | Tourist Trophy | 9 | 300 SLR | Fangio / Kling | Daimler-Benz AG | 2nd |
| 18.9.1955 | Tourist Trophy | 10 | 300 SLR | Moss / Fitch | Daimler-Benz AG | 1st |
| 18.9.1955 | Tourist Trophy | 11 | 300 SLR | von Trips / Simon / Kling | Daimler-Benz AG | 3rd |
| 18.9.1955 | Tourist Trophy | 12 | 300 SL | Henri de Barry | Ecurie Côte d'Azure | DNF |
| 25.9.1955 | Beograd [S+1.3] | | 300 SL | Kurt Zeller | | 3rd |
| 25.9.1955 | Beograd [S+1.3] | | 300 SL | V. du Barry | | DNF |
| 25.9.1955 | Beograd [S+1.3] | | 300 SL | Kurt Ahrens | | 2nd |
| 1.10.1955 | Edenvale [S3.0] | 3 | 300 SL | Arents | | 1st |
| 1.10.1955 | SCCA Regional Salinas [Production +1.5] | 76 | 300 SL | Terry Hall | | 1st |
| 1.10.1955 | SCCA Regional Salinas [Production +1.5] | | 300 SL | Lance Reventlow | | 2nd |
| 9.10.1955 | SCCA Regional Thompson [CM+DM] | 107 | 300 SL | Allen Markelson | | 5th |
| 9.10.1955 | SCCA Regional Thompson [CM+DM] | 130 | 300 SL | George Arents | | 3rd |
| 9.10.1955 | SCCA Regional Thompson [CM+DM] | 710 | 300 SL | Art Simmons | | 1st |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 13 | 300 SL | Ed Hugus | J. Edward Hugus | 4th |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 13 | 300 SL | Ed Hugus | J. Edward Hugus | 5th |
| 16.10.1955 | Targa Florio | 16 | 300 SL | Zampiero / Villotti | | DNF |
| 16.10.1955 | Targa Florio | 26 | 300 SL | Gotelli / Bensi | | DNS |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 33 | 300 SL | Paul O'Shea | Paul O'Shea | 2nd |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 33 | 300 SL | Paul O'Shea | Paul O'Shea | 1st |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 37 | 300 SL | Art Simmons | Arthur R. Simmons | 21st |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 37 | 300 SL | Art Simmons | Arthur R. Simmons | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 46 | 300 SL | Byron Roudabush | Byron Roudabush | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 46 | 300 SL | Byron Roudabush | Byron Roudabush | DNF |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 71 | 300 SL | Bill Fleming | G. W. Fleming | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 71 | 300 SL | Bill Fleming | G. W. Fleming | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 77 | 300 SL | John Bentley | John Bentley | 5th |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 77 | 300 SL | John Bentley | John Bentley | 4th |
| 16.10.1955 | Targa Florio | 104 | 300 SLR | Moss / Collins | Daimler Benz AG | 1st |
| 16.10.1955 | Targa Florio | 106 | 300 SLR | Titterington / Fitch | Daimler Benz AG | 4th |
| 16.10.1955 | Targa Florio | 112 | 300 SLR | Fangio / Kling | Daimler Benz AG | 2nd |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 182 | 300 SL | George Arents | George Arents | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 182 | 300 SL | George Arents | George Arents | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 188 | 300 SL | Allen Markelson | Allen Markelson | 14th |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 188 | 300 SL | Allen Markelson | Allen Markelson | DNF |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 203 | 300 SL | Fred Sclavi | Fred Scalvi | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP+EP+FP1] | 203 | 300 SL | Fred Sclavi | Fred Scalvi | DNA |
| 16.10.1955 | SCCA National Hagerstown [CP+DP1] | 225 | 300 SL | Ned Rutherford | | 13th |
| 16.10.1955 | Targa Florio | T1 | 300 SLR Uhlenhaut Coupé | Fangio / Titterington / Kling / Moss / Collins | Daimler Benz AG | T-car |
| 16.10.1955 | Targa Florio | T | 200 | Fangio / Kling / Titterington / Herrmann / Moss / Collins / Fitch | Daimler Benz AG | T-car |
| 16.10.1955 | Targa Florio | T | 190 SL | Fangio / Kling / Titterington / Herrmann / Moss / Collins / Fitch | Daimler Benz AG | T-car |
| 16.10.1955 | Targa Florio | T | 300 SL | Fangio / Kling / Titterington / Herrmann / Moss / Collins / Fitch | Daimler Benz AG | T-car |
| 16.10.1955 | Targa Florio | T | 300 SLR | Fangio / Kling / Titterington | Daimler Benz AG | T-car |
| 22.10.1955 | 6 h Torrey Pines | 2 | 300 SL | O'Shea / Hill | Geo. Tilp | 2nd |
| 22.10.1955 | 6 h Torrey Pines | 22 | 300 SL | Reventlow / Kessler | Lance Reventlow | DNF |
| 23.10.1955 | Torrey Pines [Production +1.5] | 2 | 300 SL | Hill / O'Shea | Geo. Tilp | DNA |
| 23.10.1955 | Torrey Pines [Production +1.5] | 22 | 300 SL | Bruce Kessler | Lance Reventlow | 1st |
| 23.10.1955 | Torrey Pines [Production +1.5] | 83 | 300 SL | Wells Forde | Wells E. A. Forde | 16th |
| 23.10.1955 | Torrey Pines [Production +1.5] | 190 | 190 SL | Ed Kretz | Ed Kretz | 12th |
| 30.10.1955 | SCCA National Sacramento [CP+DP+EP] | 3 | 300 SL | Paul O'Shea | | 1st |
| 30.10.1955 | SCCA National Sacramento [BM+CM+DM+EM] | 3 | 300 SL | Paul O'Shea | | 5th |
| 6.11.1955 | GP Macau | | 190 SL | Douglas Steane | | 2nd |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 33 | 300 SL | Paul O'Shea | George E. Tilp | 11th |
| 13.11.1955 | SCCA National Glendale [CP+DP+EP] | 37 | 300 SL | Wells Forde | | 13th |
| 13.11.1955 | SCCA National Glendale [BM+CM+DM+EM] | 216 | 300 SL | Bruce Kessler | | 17th |