The 22-year-old has been linked with a seat at the team ever since but it is more likely he would replace Valtteri Bottas in 2022.
Meanwhile, David Coulthard has given his verdict on contract negotiations and what could be holding up any deal.
“As to why there isn’t an announcement regarding Lewis, it could be a number of reasons,” he told Express Sport.
“It could be that Mercedes feel they have gotten all of the value they are going to get out of Lewis Hamilton.
“Lewis Hamilton breaking the Championship record this year, does that serve Lewis or does it serve Mercedes more?