McLaren has fired up the power unit to its 2026 F1 challenger for the first time.
The team goes into the new season as defending two-time constructors' champions after winning back-to-back titles for the first time in 34 years, whilst it will also have the number one on a car after Lando Norris was crowned drivers' champion last season.
There are considerable question marks, though, over whether the team can enjoy a three-peat due to the biggest change in the regulations in the sport's history, especially around the power unit.
The PUs will enjoy a 50-50 power split between combustion and electrical, making energy management tricky for the drivers, whilst the MGU-H has been dropped, with greater emphasis placed on the MGU-K.
McLaren goes into the season still partnered with Mercedes, which many people believe will be the dominant supplier.
You can hear the McLaren fire-up via the social media post below, with team principal Andrea Stella looking very pleased.
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