While Lewis secured the Drivers' title in Mexico, it was the team's turn in Brazil to wrap up the Constructors' and score a remarkable fifth Championship double.
"Mercedes have set the standard in Formula One for the past five years," said Ola Källenius, member of the Board of Management of Daimler AG, responsible for Group Research & Mercedes-Benz Cars Development.
"They embody our aspiration to be the best. Huge congratulations to everyone on the team - you've done a great job!"
"When we re-joined Formula One with a works Mercedes team in 2010, it was part of a long-term strategic plan.
"One of our objectives was to showcase the performance capabilities of Mercedes technology on the race track.
"The team has achieved this goal in a spectacular manner. Winning both the Drivers' and the Constructors' titles five consecutive times is a great example of our aspiration to be The Best."