Lewis Hamilton has 'no idea' why Mercedes F1 team is now struggling
Lewis Hamilton says his focus cannot slip after winning a fifth Formula 1 title because he has "no idea" why he has struggled in the last two grands prix

Hamilton won four races in a row to put himself on the brink of the championship but Mercedes then had problems in the United States and Mexico GPs.
He clinched the crown last weekend by finishing fourth, the first time he failed to stand on the podium since the Austrian GP at the start of July.
Hamilton said: "I still have work to do. I've still got to get back to the factory and rally the troops to figure out how we can come back and win these next races.
"I have no idea why I struggled so much in these last two and we all feel the pain of not winning those races.
"We still have the constructors' championship to win, which I know will mean even more to all the guys back at the factory.
"So that's the focus."
Mercedes struggled with rear-tyre blistering in the US, which led to suggestions the performance drop-off could be linked to the team dropping the spacer on its rear wheels that has small holes and grooves to reduce the heat flow between the axle and the wheel.

But Mercedes' problem in Mexico was that it was harder on its front-left tyre than rivals Ferrari and Red Bull, indicating it was "nothing to do" with the spacer being dropped.
One theory is that Mercedes was simply caught out because both race weekends followed odd Fridays.
Austin's first practice sessions were held in the wet and the unique challenge of high-altitude and a slick surface caught out several teams at Mexico City.
"I don't think we had one single lap where we actually switched the tyre on," Mercedes team boss Toto Wolff said after the race.
"I have no explanation and we will be asking for explanation because these swings are just difficult."
Hamilton said he would try to "cherish" the moment of matching Juan Manuel Fangio in winning five titles because it would swiftly be replaced by the remaining priorities for this season.
He also reiterated he felt "conflicted emotionally" because he wanted to celebrate winning the title but had done it through a difficult race, in which Ferrari cut into Mercedes' constructors' lead again to reduce the deficit to 55 points.
"It's not a bad finish and ultimately it's what we needed we've still got a team championship to win," said Hamilton.
"We lost some points to Ferrari and I really want to deliver for the team - so I've still got two races to win."

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About this article
Series | Formula 1 |
Drivers | Lewis Hamilton |
Teams | Mercedes |
Author | Scott Mitchell |
Lewis Hamilton has 'no idea' why Mercedes F1 team is now struggling
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