Red Bull boss Christian Horner has called Mercedes' new F1 car "extreme" but believes it "ticks all the boxes" in terms of legality. read more »

Max Verstappen says the W13 is "quite ugly" but wouldn't weigh in on the legality of the zero-pod designed Mercedes. read more »

Mercedes' revolutionary car upgrade caused a huge stir, with questions already circulating about its legality. Here's what all the fuss is about. read more »

No pods, no problem, is Toto Wolff's confident claim after Mercedes turned heads in Bahrain. read more »

Mercedes are at the centre of a row over the legality of their car after introducing a radical new design at the second pre-season test. read more »

Toto Wolff says he is not worried about the prospect of a dispute over the legality of the sidepod design on Mercedes' 2022 Formula 1 car.  read more »

The German manufacturer revealed a radical new concept ahead of the start of the Bahrain test, using the Side Impact Structures (SIS) as separate fins to help shrink its... read more »

As Christian Horner denies ("officially") questioning the legality of the Mercedes, the one company, other than F1, really doing brisk business at present appears to... read more »

There had been whispers ever since Barcelona about the concept potentially exploiting some grey areas of the regulations, and it did not take long for such concerns to be... read more »

The FIA has revealed to assisting the 10 F1 teams in the build-up to the new era of aerodynamic regulations with a series of legality checks on their cars in a bid to avoid... read more »

Ferrari will now use their 2018 car in testing at Fiorano, over concerns around the legality using their 2021 car in their four days of running. read more »

The stewards made their decision following the late race safety car restart and dismissed Mercedes' protest about its legality. read more »

Christian Horner believes the new policing of rear wings by the FIA will "eradicate any ability to circumnavigate" regulations after concerns over the legality of the... read more »

Red Bull raised concerns about the legality of Mercedes' rear wing design last weekend in Brazil after noting Lewis Hamilton's straightline speed advantage over the... read more »

Mercedes team principal Toto Wolff branded Red Bull's decision to circulate photo evidence countering the legality of his team's rear wing as "a shocker"... read more »

Red Bull enquired with the FIA about Mercedes' rear wing design over the Sao Paulo Grand Prix weekend after team boss Christian Horner noted Lewis Hamilton's... read more »

Mercedes and Red Bull continue to provoke one another both on and off the track this season, with the intensity turned up another notch at the Qatar Grand Prix, as Christian... read more »

Red Bull team principal Christian Horner has warned Mercedes of an impending protest over the legality of its rear wings after finding "witness [score] marks" in... read more »

As F1 heads towards a conclusion to its first proper title battle between two different teams in the hybrid era, tensions between Red Bull and Mercedes have been steadily... read more »

Mercedes trackside engineering director Andrew Shovlin has provided an explanation for Lewis Hamilton's disqualification from Sao Paulo Grand Prix qualifying and suggested... read more »

The legality of Lewis Hamilton's Mercedes car was called into question and reported to the stewards following qualifying for the Sao Paulo Grand Prix on Friday. read more »

Ricciardo managed to get the jump on Sainz in the opening stages after a close first-lap battle that saw the McLaren and Ferrari drivers go side-by-side.Sainz had looked to... read more »

Carlos Sainz has described Daniel Ricciardo's United States Grand Prix defence as being "on the limit of legality" after the two drivers made contact in... read more »

Carlos Sainz believes Daniel Ricciardo's stern defence at the United States Grand Prix was 'on the limit of legality' in Formula 1. read more »

Red Bull see no reason to protest the Mercedes suspension, despite the FIA having made an inconclusive ruling about its legality. read more »