The announcement was made during a presentation held by the team here on Saturday, days after revealing Sauber's new partnership with Alfa Romeo, reports Efe.
Leclerc told Efe that he was aiming to improve as much as possible in his debut season in Formula One.
The 20-year-old Formula Two reigning champion is set to replace Pascal Wehrlein of Germany.
He highlighted the importance of competing in Formula One, adding that he was keen to adapt quickly to the new situation.
Ericsson, meanwhile, said he was excited with the new partnership with Alfa Romeo.
He said that the team was aiming to improve its results in 2018, after ending the 2017 season in the 10th spot in the constructors' standings.
Ericsson praised the new car which was presented during the event.
(This story has not been edited by Social News XYZ staff and is auto-generated from a syndicated feed.)
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