Toto said: "Valtteri's impact and contribution in the five years he was us previously as our race driver was immense.
"Along with scoring multiple Grands Prix wins, he played a vital role in five of our championship victories."
It is worth remembering those five Constructors' Championships came in consecutive years between 2017 and 2021, every season VB got behind the wheel of the Silver Arrows. How many drivers in F1 history can say they have been part of such a run?
In his five seasons, he also managed two P2 and two P3 finishes in the Drivers' standings.