Toto Wolff says the 2014 F1 season has been "remarkable" for Mercedes after it dominated to win both the drivers' and constructors' championships.

The Mercedes power unit proved to be the strongest by far this year as it began the season with six consecutive victories before reliability issues saw Daniel Ricciardo win in Canada. Further wins for Ricciardo in Hungary and Belgium mark the only races Mercedes failed to dominate and Wolff said the team was not expecting to be so successful this year.

"For Mercedes-Benz, 2014 has been a remarkable and historic season," Wolff said. "Firstly, because it saw the introduction of F1's new 1.6 litre turbocharged, hybrid power units, which were an enormously exciting challenge for all the team.

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"But you can never go into a season expecting the kind of success we have managed to achieve. To have won 16 races, with 11 one-two finished and to have scored 18 pole positions has earned us a place in the history books and it is testimony to the hard work put in by everyone at the team. Both Lewis and Nico drove like champions throughout, with Nico winning the qualifying battle but Lewis prevailing in the races to become champion."

While revelling in Mercedes' achievements, Wolff warned the team would not be resting on its laurels over the winter.

"We are hugely proud to have won the first Constructors' Championship for Mercedes-Benz and the company's first Drivers' title since the great Juan Manuel Fangio in 1955. But back at base, we're already hard at work to make sure we can defend our title from Melbourne next year."