Williams' George Russell has received a new Mercedes power unit for this weekend's US Grand Prix, a change that will trigger a grid penalty for the Briton.
Russell is the second Mercedes-powered driver to be handed a new unit in Austin, with Aston Martin's Sebastian Vettel the recipient of new engine elements.
It is not yet clear which components have been added to the two drivers' respective pool of hardware, thus the extent of their grid penalty is not yet known.
Mercedes' engines have encountered reliability issues lately, with championship contender taking on a fresh ICE last time out in Turkey, while McLaren's Daniel Ricciardo was also handed a new PU at Istanbul Park..
The US Grand Prix at the Circuit of the Americas is a second home race of sorts for Williams which is now owned by an American entity, Dorilton Capital.
"They've got a huge amount of guests here this weekend and they've got a lot in store for us," Russell commented on Thursday in Austin.
"So, they're certainly pretty pumped about it. But, just generally, this circuit, this place is really exciting. It probably is my favourite race weekend of the year other than Silverstone."
Gallery: The beautiful wives and girlfriends of F1 drivers
Keep up to date with all the F1 news via Facebook and Twitter
After Cadillac’s Sergio Perez recently hinted that fresh performance gains were on the way, the…
Fernando Alonso has spent much of his Formula 1 career tormenting rivals. But these days,…
The ABB FIA Formula E World Championship has revealed its highly anticipated 21-round calendar for…
Toyota protégé Ryo Hirakawa's Formula 1 journey will take another step forward this weekend as…
On this day in 1968, Jackie Stewart delivered the first triumph to a French constructor…
The World Motor Sport Council has officially ratified major updates to Formula 1’s future power…