Mercedes, Hockenheimring, 2019

Hamilton doubts new Mercedes parts will fix cooling problem

2019 German Grand Prix

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Mercedes has brought new parts for its W10 to help address its poor performance in high temperatures but Lewis Hamilton doubts they’ll have a significant effect.

The team has only failed to win one race this year, in Austria, where they suffered serious cooling problems due to the combination of high temperatures and above average altitude. Hamilton and team mate Valtteri Bottas had to back off for up to 400 metres per lap to ensure they reached the finish.

Bottas revealed the team will attempt a solution to the problem tomorrow, when temperatures are forecast to reach 39C at the Hockenheimring.

“We know our car is maybe not the most efficient in hot conditions,” he said. “But we have some new bits for the cooling. Also a pretty nice new aero package which should give just general performance to the car.”

However Hamilton said the shortcoming with the car’s cooling cannot be solved by a simple fix.

“There’s not really much we can do,” he said. “This is a much bigger design issue than we have when it gets hot. So it’s not so easy to change it. We are working towards it but it’s very, very small steps and small increments which are not making a massive difference.”

Hamilton said the expected fall in temperatures on Saturday, and the likelihood of rain during the race, should help Mercedes.

“Hopefully this weekend will be OK in that sense. I’d imagine if it stays this hot we’re going to be in trouble. If the next race is hot we’re going to be in trouble, just on the edge, as we were in Austria. But fingers crossed the weather comes.”

Bottas is also keen to see the forecast rain arrive. “”We haven’t had any proper wet running this year so it would be nice to try,” he said. “I wouldn’t mind if it happens here.

“We definitely wish [the temperature’s] going to be less than tomorrow. But I’m sure these kind of extreme temperatures we will not be the only team struggling and like I said also with the new parts in terms of the cooling it should make our life easier.”

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Dieter Rencken
Dieter Rencken has held full FIA Formula 1 media accreditation since 2000, during which period he has reported from over 300 grands prix, plus...
Keith Collantine
Lifelong motor sport fan Keith set up RaceFans in 2005 - when it was originally called F1 Fanatic. Having previously worked as a motoring...

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8 comments on “Hamilton doubts new Mercedes parts will fix cooling problem”

  1. they are worried about their new PU, if it is as warm as austria I would love to see whether they risk it or not since this is their home race.

    1. You don’t really buy Hammy’s fear of overheating do you? It’s all a game for Mercedes. They know they can win every race without breaking a sweat.

      1. Which is why they won in Austria without breaking a …. oh

        It’s takes a special type of stupid to claim something that has already happened won’t happen right Mike?

      2. Well they didn’t win in Austria for exactly this reason.

  2. Reckon the car would look spectacular all white, and doesn’t the old Black/White Hot/Cool T-Shirt ‘theory’ apply?

    1. And if it rains it will be a wet T-shirt?

  3. Well, I just cannot believe them. When Mercedes speaks how much they will struggle… I fail to believe them anymore.

    Only reason why I would entertain belief is because they did not mention RedBull or Ferrari. But if they mentioned how competitive they look… then I know right away Mercedes win is coming.

    1. struggle in relation to their own performance and expectations.

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