Orbiter

• HRSC (High Resolution Stereo Camera), German-led project; developed for the Mars-96 mission.
• MaRS (Mars Radio Science Experiment), German-led project: Study of the atmosphere, surface and gravitation
• PFS (Planetary Fourier Spectrometer), Italian-led project; German participation: Infrared spectrometer for the investigation of the atmosphere
• ASPERA (Analyser of Space Plasmas and Energetic Atoms), Swedish-led project: Analysis of the reciprocal effect of the Mars atmosphere with the interplanetary medium
• MARSIS (Mars Advanced Radar for Subsurface and Ionospheric Sounding), Italian-led project: Investigation of the Martian soil depth and also the upper atmosphere
• OMEGA (Observatoire pour la Minéralogie, l’Eau, les Glaces et l’Activité), French-led project; developed for the Mars-96 mission: Infrared spectrometer for the investigation of the surface composition
• SPICAM (Spectroscopic Investigation of the Atmosphere of Mars), developed for the Rosetta mission: Ultraviolet spectrometer for the investigation of the atmosphere.

Lander (lost December 2003)

• Gas chromatograph, mass spectrometer
• PLUTO drill (German-led project), Robotic arm for sample analysis
• microscope-, panorama- and wide-angle cameras (German participation)
• Mössbauer and x-ray spectrometer (German participation)
• environmental sensors