It's fair to say Toto Wolff and Mercedes won't offer to throw Michael Masi a welcome-back party.
Now the dust has settled on this season, what exactly are the main takeaways from F1 in 2023?
Both Ferrari drivers are in the F1 news headlines on Sunday, with details of their planned contracts being reported.
"It's an interesting Lewis that we're seeing now..."
It was a brief F1 relationship for Mercedes' Dual-Axis Steering system...
"But it's Lewis Hamilton!"
"Our number one priority was making sure that we got that car to the finish."
After two poor years, Mercedes need a car that will take them back to the top of F1.
Lewis Hamilton has revealed his plans for F1's winter break as Mercedes aim to close down Red Bull.
Mercedes has lost the services of various key staff members from their F1 glory days...
Lewis Hamilton has not won a single Grand Prix in F1's ground-effect aerodynamic era.
"And that's why I like having teams that are on the same spec."
“The W14 doesn’t get to enjoy its retirement quite yet..."
Lewis Hamilton hasn't won a Grand Prix in two years with his streak up to 45 races.
The multi-year deal comes into force from F1 2024...
"I would like to look back 20 years and say, there's many more Mercedes' stars."
Having inadvertently helped Mercedes on their way, Lando Norris has a request for McLaren's engine supplier.
The 2023 season was not one for the Mercedes scrapbook...
George Russell's day is over in Abu Dhabi, after the British driver crashed his W15 halfway through the schedule...
By renewing with Mercedes, McLaren may well find themselves trapped under a glass ceiling.
Mercedes won the money but Ferrari have two hours extra per week to develop their car.
"When you win on a day like today, P2, it reminds you that you lost P1."
"He was not exactly effervescent about it."
Max Verstappen won the Abu Dhabi Grand Prix with Charles Leclerc second and George Russell third.
Fernando Alonso gives Lewis Hamilton ‘brake test’ response as Mercedes message issued – F1 news round-up
Here are the key headlines from the final race day of F1 2023...
"He could have pulled the handbrake on in the last sector and he didn't, and I think that shows a character of a driver.”
Mercedes "know what they need to do" over winter, according to Lewis Hamilton.
Always remember the golden rule of being a Formula 1 driver: Always beat your team-mate.
"You get the feeling that the team isn't falling apart at the moment, but that it's a little headless."
George Russell starts in the top four in Abu Dhabi while Lewis Hamilton again missed the Q3 cut...