"This season has been a real rollercoaster for us. We've seen great on-track battles and we've loved the competition.
"We are very proud that we came out on top and managed to put the Mercedes name in the history books of Formula One with our sixth consecutive double title.
"On the other hand, it's been an incredibly hard year where we had to say goodbye to too many friends. We were hit hard by the passing of Charlie, Niki and Anthoine, as well as important members from our team who we have tragically lost this year.
"At Mercedes, Niki left a void that we will never be able to replace - as a source of inspiration, as a voice of reason, but most importantly as a great friend. We hope we did you proud, Niki."