The 55-year-old returned to the role as part of a mꦍajor reorganisation of Mercedes' technical department last year following a disappointing start to the 2023 season. 

Allisꦛon swapped positions with Mike Elliott, who later left the team. 

"F1 has brought me a lot of good fortune, but none greater than answering Toto's call to join Mercedes in 2017ಌ," Allison said.

"It is a great privilege to continue this adventure, working alongside brilliant c🦩olleagues and fighting together for championship success." 

Earlier 📖this week, Toto Wolff signed a new three-year deal to 🍰remain as Mercedes' team principal.

 "I am thrilled that James has committed his long-term future to ﷺthe team," Wolff said of Allison. "Put 💦simply, he is the most impressive technical leader in our sport.

"His gladiator spirit, along wit🐭h his knowledge, experience, and determination, ma💦ke him second-to-none. His influence and impact, however, goes so much further than that. Since joining in 2017, he has been a key ally and sparring partner for me personally.

"We can challenge each other openly and honestly; an embodiment of the 'tough love' c🌠ulture of the team that is vital in helping us all perform at our very best. Most impo𓆉rtantly though, James is a true friend you can rely on, not only in times of success but in difficult moments too.

"It has been a pleasure to work with him over the past seven years and I look forward to doing so for many more to come."