| Instrument | Name | Principal Investigators | Institute |
| ASPERA | Energetic Neutral Atoms Analyser | R. Lundin | Swedish Institute of Space Physics, Kiruna, Sweden |
| BEAGLE-2 | Geochemical Lander | C. Pillinger | Open University, Milton Keynes, UK |
| HRSC | High/Super Resolution Stereo Colour Imager | G. Neukum | Freie Universität, Berlin, Germany |
| MaRS | Radio Science Experiment | M. Pätzold | University of Cologne, Germany |
| MARSIS | Sub surface Sounding Radar/Altimeter | G. Picardi | University of Rome, Italy |
| OMEGA | IR Mineralogical Mapping Spectrometer | J-P. Bibring | Institut d'Astrophysique Spatiale, Orsay, France |
| PFS | Planetary Fourier Spectrometer | V. Formisano | Istituto di Fisica dello Spazio Interplanetario, Rome, Italy |
| SPICAM | UV and IR Atmospheric Spectrometer | J-L. Bertaux | Service d'Aéronomie, Verrières-le-Buisson, France |