"It is great news that I will be racing for Mercedes in 2019 and it is nice to announce it here in Hockenheim - not just the home race for Mercedes but also the circuit where I took my first ever single-seater wins back in 2007."
"This year, with a full winter of preparation, I have been able to make a good step forward - and I believe that there is still more to come. We have not been so lucky in the races this year but the team knows how I am performing, and this is a great sign of confidence in me and my driving."
"I enjoy working with the team, and also being team-mates with Lewis - we have a good relationship, honest and straightforward, and always aiming to get the right results for Mercedes."
"We have a big battle on our hands right now, so it's good to have the future clear for everybody - it means we can have a full focus on the championship fight."
"Obviously, my goal is to keep performing at a high level - and to make it a no-brainer for the team when it comes to deciding their plans for 2020 as well."