Lewis Hamilton says extra vehicles needs to be checked after races following his disqualification from the USA Grand Prix.

He believes different vehicles would have been caught if they’d been checked.

“What’s loopy is that they solely check 4 vehicles, 50% fail,” stated the 38-year-old Mercedes driver.

“And I’ve had data from many others that have been additionally unlawful however they received away with it. That is tousled.”

Solely the vehicles of Hamilton, race winner Max Verstappen of Crimson Bull, McLaren’s Lando Norris and Ferrari’s Charles Leclerc have been checked for flooring legality in Austin final Sunday.

Hamilton and Leclerc have been each disqualified for a similar technical infringement.

Various completely different checks have been carried out on different vehicles.

Norris stated that if one automotive from a staff was unlawful in such a way, then there was a excessive likelihood the opposite one was, too.

The flooring of Carlos Sainz’s Ferrari and George Russell’s Mercedes weren’t checked in Austin. They have been promoted to 3rd and fifth locations from fourth and seventh by the disqualifications.

Norris stated: “I’d love if they’d checked extra vehicles. It may possibly at all times chunk you. They checked mine first. It is extra [across] groups. It is unlikely two [cars in one team] are that completely different. If one automotive is unlawful then there is a excessive likelihood the opposite automotive is.”

Hamilton, talking on media day earlier than this weekend’s Mexico Metropolis Grand Prix, stated that he knew of different conditions in his time in F1 the place comparable issues had occurred.

“There have been many different situations like this the place some folks have gotten away with sure issues and a few folks have gotten unfortunate and received examined,” he stated.

“There must be some type of higher construction to verify it’s truthful and even throughout the board.”

Governing physique the FIA has lengthy had a coverage of finishing up random checks on vehicles throughout a race weekend and after a grand prix.

It stated in a press release on Thursday that there was not time to verify all vehicles for each attainable rule infringement within the time out there.

The FIA stated: “[The process] exists to make sure compliance with the laws by advantage of the truth that the groups have no idea earlier than the race which particular areas of which vehicles may be examined past the usual checks carried out on each automotive every weekend.

“Though a wide selection of checks are made, it’s unimaginable to cowl each parameter of each automotive within the brief time out there – and that is very true of back-to-back race weekends when freight deadlines should even be thought-about.”

‘Dash’ weekend precipitated downside

Hamilton stated the issue together with his automotive occurred as a result of Austin was a ‘dash’ weekend, on which groups should determine the set-up of their vehicles after only one follow session, and Mercedes made a mistake.

Verstappen stated his automotive had not been as aggressive because it may have been as a result of Crimson Bull had been too conservative with their journey peak.

“With only one session to arrange the automotive, it’s bit extra hit or miss. We went too secure and so they clearly went too aggressive. That is how they received excluded,” stated the world champion.

“We all know when you drop the automotive you achieve efficiency, so it’s important to be a bit cautious. We weren’t at our strongest for these causes.”

However Hamilton denied that Mercedes have been chasing efficiency by working the automotive low in Austin.

“Final 12 months, our automotive was finest when it was super-low, so we have been [running] low and stiff,” stated Hamilton, who completed simply two seconds behind Verstappen within the race in Mercedes’ best efficiency of the season.

“Our automotive works higher at excessive journey heights now, so it isn’t that we have been pushing the automotive to be too low. It was simply an unlucky situation.

“A 0.05mm failure on the rear skid isn’t going to make the distinction between profitable and shedding, in order that error was not the rationale we have been as quick as we have been.

“That is why it’s a bit painful for us. We’re hopeful the efficiency will proceed this weekend.”

Leclerc stated his automotive’s transgression was additionally not a efficiency benefit.

“After all it hurts however guidelines are guidelines,” he stated. “We’re speaking about such tiny numbers {that a} kerb hit in a nasty means may have made the distinction. It is rather tremendous, we’re talking about 10ths of mm. The smallest margin attainable that has completely no impact however guidelines are guidelines and we should be disqualified.”

Mercedes hopeful on improve

Hamilton and Russell stated they have been assured Mercedes had made a step ahead with a brand new flooring launched on their automotive in Austin and have been hopeful the progress would additionally present in Mexico Metropolis.

Hamilton felt he may have pushed Verstappen even tougher had Mercedes chosen a special technique and prioritised observe place over the Crimson Bull driver quite than delaying their first pit cease.

Hamilton stated: “With the ability to really feel the improve is one factor, which is at all times what you’ll do however with the best way the automotive has been the final 12 months we now have had one thing and also you would not be capable to really feel it.

“The rear finish is all methods the realm I wished enhancements. Due to the shortage of rear finish [grip] we now have, we now have that insecurity to assault.

“That step gave me the arrogance to ship it extra and I would like extra. It was a fantastic feeling from lap one. And due to that if it was a 0.1secs improve, I most likely received 0.2secs out of it.”

Russell added: “The upgrades have been performing rather well. That was clear with the efficiency.

“We had some considerations on my aspect. I used to be managing gas for half the race however the final stint we went for it and the tempo was amongst strongest on the market, which bodes nicely for the top of the season.”