Mercedes team principal Toto Wolff downplayed reports their new power unit for the 2021 F1 season has suffered reliability problems.
Wolff rejected those claims during the team’s presentation of its new Formula 1 car on Tuesday.
“We didn’t have particular problems on reliability in the power unit,” he said. “Obviously, if you do long runs at peak power, there will be a lot of learning what gives up first. But it’s all under control.”
He added the team has made further progress in improving their heat management, which has been an occasional weakness during their dominantion of the turbo-hybrid era.
“We have had years where we struggled for cooling, where our pre-season simulations didn’t reflect precisely what was happening on the track. I think we’ve made a big step there.”
Teams have limited development opportunities with their latest power units. Once the season begins they will not be able to upgrade them again until next year, at which point a development freeze will come into force until the end of the current power unit regulations.
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