The second mission, scheduled for launch in 2018, will carry the ESA-built Mars rover and a second entry, descent and landing module, this one built 80% by Russia and 20% by ESA.
The second mission, scheduled for launch in 2018, will have a Russian lander deploy the ExoMars rover on the Mars surface. This entry, descent and landing module will be built 80% by Russia and 20% by ESA.