{"id":38543,"date":"2026-01-09T13:53:59","date_gmt":"2026-01-09T18:53:59","guid":{"rendered":"https:\/\/lastwordonsports.com\/motorsports\/?p=38543"},"modified":"2026-01-09T14:03:27","modified_gmt":"2026-01-09T19:03:27","slug":"f1-manufacturers-pressure-fia-for-mercedes-engine-crackdown","status":"publish","type":"post","link":"https:\/\/lastwordonsports.com\/motorsports\/2026\/01\/09\/f1-manufacturers-pressure-fia-for-mercedes-engine-crackdown\/","title":{"rendered":"F1: Manufacturers push the FIA to crackdown on Mercedes engine"},"content":{"rendered":"

Mercedes<\/a> are at the centre of the first major controversy regarding the 2026 regulations. Specifically, they are under the microscope for developing a unique engine solution.<\/p>\n

In short, Mercedes has found a way to increase their compression ratio above the 16:1 limit imposed by the regulations.<\/p>\n

Crucially, the German outfit can increase the compression ratio when the car is on track – whilst still complying with the rules during stationary checks.<\/p>\n

This solution has been met with opposition by rival manufacturers, who state this is an incorrect interpretation of the regulations. They argue that the 16:1 limit must be upheld both in the garage and on track.<\/p>\n

Until now, he FIA have confirmed the Mercedes trick<\/a> is within the bounds of the regulations.<\/p>\n

With that said, an upcoming meeting between the FIA and manufacturers could change things.<\/p>\n

\"\"
George Russell, 2025 Miami Grand Prix, Saturday – Jiri Krenek<\/figcaption><\/figure>\n

Why Mercedes are under scrutiny<\/h2>\n

Exploiting grey areas is a natural part of Formula 1, especially on the dawn of a new rules set. Mercedes are perhaps more infamous than anyone else for developing aggressively towards a regulatory switch.<\/p>\n

In this case, Toto Wolff’s team<\/a> have found a creative solution with their engines.<\/p>\n

Even before their compression ratio trick was made public knowledge, Mercedes power units have been heavily favoured heading into 2026.<\/p>\n

Although estimates vary about how much time Mercedes can gain from this solution, rivals feel this loophole is significant enough to press the issue with the FIA.<\/p>\n

Indeed, the FIA have approved the German manufacturer’s exploit until now. Mercedes were in constant dialogue with the federation throughout the conception of this idea, to ensure they were in compliance with the regulations.<\/p>\n

After all, developing such an innovation takes many months – too long for a team to invest its resources without assurances from the FIA.<\/p>\n

Despite the FIA’s green light<\/a>, rival manufacturers are expected to raise this topic in a meeting with the FIA on January 22nd.<\/p>\n

With the 2026 season only two months away, the other teams are not targeting a ban on the Mercedes solution before round on in Australia.<\/p>\n

Instead, their objective is to get the FIA to prohibit the Mercedes compression trick at a later stage in the season – potentially after the summer break. Alternately, securing a ban for the 2027 season could also be on the cards.<\/p>\n

With virtually every other manufacturer against Mercedes, this meeting could be critical for 2026 and beyond.<\/p>\n

There is only one manufacturer that is not enthusiastically pursuing a tightening of the rules – Red Bull<\/a>.<\/p>\n

\"\"
Max Verstappen leads George Russell and Carlos Sainz in Austin, Texas. (Photo by Clive Mason\/Getty Images) \/\/ Getty Images \/ Red Bull Content Pool<\/figcaption><\/figure>\n

<\/p>\n

Red Bull in a different boat to Mercedes<\/h4>\n

Of course, the Milton Keynes outfit themselves have also worked on this compression ratio idea. However, they are not in the same position as Mercedes.<\/p>\n

As previously reported on LWOS, Mercedes were the first movers<\/a> in this area. It was only thanks to Red Bull’s significant efforts to acquire Mercedes’ engineering talent that they caught wind of this idea.<\/p>\n

Consequently, Red Bull are a few steps behind Mercedes in developing this engine solution.<\/p>\n

It is understood that Red Bull would be relatively unaffected by a mid-season or 2027 clampdown on increases to the 16:1 compression ratio.<\/p>\n

Because of this, the Austrian team’s position on this matter is difficult to fully decipher. For all intents and purposes, they are neutrals in this debate.<\/p>\n

At the same time, they could also stand to benefit if Mercedes’ engine progress is halted. Assuming the Silver Arrows will produce a winning power unit, Red Bull could also be winners if the FIA commit to an intervention on this issue.<\/p>\n

Generally speaking, this saga epitomises the political intricacies of Formula 1. There is no clear path, and various different interests and stakeholders at play.<\/p>\n

\"\"
2025 Hungarian Grand Prix , Saturday, Jiri Krenek<\/figcaption><\/figure>\n

Possible outcomes<\/h4>\n

What must be emphasised is that only a few things are clear at this stage. The first is that, for now, the FIA has not moved to ban the loophole pioneered by Mercedes.<\/p>\n

The second certainty is that a meeting on January 22nd will see this topic take centre stage. Honda, Ferrari and Audi<\/a> – who wrote the FIA a joint letter a few weeks ago for clarification on this issue – will voice their opposition.<\/p>\n

It will then be up to the FIA for a final decision to be made.<\/p>\n

For Mercedes, a best-case scenario would be for this matter to be closed and their solution confirmed legal – leaving other teams to replicate this idea over the remainder of these regulations.<\/p>\n

Alternately, other manufacturers will hope the FIA clarify a stricter interpretation of the regulations and force Mercedes to make alterations.<\/p>\n

Red Bull, meanwhile, are in a very unique position. In some ways, either outcome could be seen as a positive for the Austrian squad.<\/p>\n

Main photo: Sebastian Kawka (Mercedes F1 Media Archive)<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"

Mercedes are at the centre of the first major controversy regarding the 2026 regulations. Specifically, they are under the microscope for developing a unique engine solution. In short, Mercedes has found a way to increase their compression ratio above the 16:1 limit imposed by the regulations. Crucially, the German outfit can increase the compression ratio […]<\/p>\n","protected":false},"author":4927,"featured_media":38533,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","sfio_featured_image":false,"sfio_embed_code":"","_ef_editorial_meta_date_first-draft-date":"","_ef_editorial_meta_paragraph_assignment":"","_ef_editorial_meta_checkbox_needs-photo":"","_ef_editorial_meta_number_word-count":"","footnotes":""},"categories":[4,3],"tags":[206,2582,84,526,121,78],"class_list":["post-38543","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-formula-1","category-news","tag-audi","tag-f1-2026-season","tag-ferrari","tag-honda","tag-mercedes","tag-red-bull-racing"],"modified_by":"Jaden Diaz-Ndisang","_links":{"self":[{"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/posts\/38543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/users\/4927"}],"replies":[{"embeddable":true,"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/comments?post=38543"}],"version-history":[{"count":4,"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/posts\/38543\/revisions"}],"predecessor-version":[{"id":38548,"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/posts\/38543\/revisions\/38548"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/media\/38533"}],"wp:attachment":[{"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/media?parent=38543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/categories?post=38543"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lastwordonsports.com\/motorsports\/wp-json\/wp\/v2\/tags?post=38543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}