“I’m committed to Mercedes, so I’m happy and confident with my position under their guidance.”
Russell’s deal with Williams is due to expire at the end of the 2021 season.
Team principal Simon Roberts does not expect to keep hold of the F1 star permanently amid growing speculation of driving for Mercedes in 2022.
“We’ve got to assume that this [being with Williams] is part of his career, that it is not going to be his whole career,” said Roberts.
“It would be nice to think we’ve worked with one of the greats one day.”