McLaren cannot replicate Williams’ ‘medium-term’ approach to understanding 2026 Mercedes power unit

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Williams team principal James Vowles admitted they will need time to fix the issues stemming from the Mercedes power unit.

Over the last week, James Vowles shared his unhappiness with Mercedes over the power unit, specifically mentioning the lack of information they have when it comes to its operational powers.

Even McLaren team principal Andrea Stella vocalised his frustration over the matter, suggesting that Mercedes has put them on the back foot with the lack of clear communication.

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For his part, Toto Wolff said Mercedes can’t cater to each customer. But this hasn’t done much to resolve the problems other teams equipped with the Mercedes power unit are facing.

Now, as Vowles reveals the long-term approach Williams are taking, McLaren come under more pressure to try and resolve their issues in a quicker time frame.

READ MORE: McLaren desperate to address tyre issue that’s leaving Lando Norris and Oscar Piastri vulnerable

James Vowles unveils Williams’ approach to addressing Mercedes power unit knowledge gap

James Vowles addressed the issues Williams are facing with their car and the Mercedes power unit during a recent Q&A session.

He admitted that most of the changes for Williams won’t be operational in time for the Chinese Grand Prix. Furthermore, the race in Australia set the benchmark for the level of understanding Williams want to achieve concerning the Mercedes power unit.

“The bulk of the changes in performance we have are what I put in the medium-term bracket. There’s various performance upgrades, both aerodynamic and also in mass, that will come to the car, and those simply aren’t going to be available for Shanghai…”

“It was sobering. It’s just now laid bare for everyone to see and for us to see the journey that is in front of us. Congratulations to Mercedes.”

“Really impressive weekend for them and that one-two was well earned. But it also set the benchmark for what we need to achieve.”

“We’re clearly nowhere near their level of understanding on the power unit, and we will be doing that across the next few days.”

Even though they’re not where they should be, a team like Williams that is aiming to compete in the middle of the constructors’ championship table can afford to take a little time to address their issues.

The same cannot be said for McLaren, who are aiming for a third constructors’ championship this season, and find themselves well behind the eight ball.

READ MORE: Oscar Piastri ‘could go at any time’ from McLaren as details of contract ‘get-out clause’ emerge

Are Mercedes’ rivals hiding behind 2026 ‘excuses’?

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McLaren must close Mercedes power unit knowledge gap expeditiously to salvage 2026 season

As things stand, McLaren find themselves in a similar position to Williams, although not as dire as the latter. But given how competitive they’ve been over the last few years, their current circumstance is far from ideal.

McLaren have pinned a lot of their struggles on their lack of understanding of the Mercedes power unit. While some believe that McLaren are hiding behind the Mercedes excuse, there is some merit to their frustration.

McLaren getting information from Mercedes quite late has put them on the back foot. While their car definitely has other issues, the understanding of the power unit could have mitigated some real problems for them.

As frustrating as the situation might be, McLaren have no choice but to get to work and understand where they’re going wrong.

Failing to do so isn’t just a blow to their hopes of a constructors’ championship threepeat. It also takes Lando Norris and Oscar Piastri effectively out of the drivers’ championship conversation.

After the first race in Melbourne, McLaren should aim for success in Shanghai, but also use it as an opportunity to gather even more data to ensure that they have enough time to make changes and get back to competing in races.

Taking too long to figure out what the issues are could leave McLaren with very little time to close the deficit in their title hopes.