The FIA have issued a highly-critical attack on Pirelli and Mercedes' version of events resulting in their three-day 'secret' tyre test. read more »

The FIA says it only sanctioned the use of a 2013 Formula 1 chassis at the recent Mercedes tyre test if Pirelli ran the car, and if every team was offered the same opportunity... read more »

Sole Formula 1 tyre supplier Pirelli has explained to GPUpdate.net that Mercedes is not the first team with whom it has conducted a private test, reacting to the furore over a... read more »

Mercedes face an investigation by F1's governing body the FIA after being accused of taking part in an illegal tyre test. read more »

Race stewards in Monaco set to report to the FIA into Mercedes' Pirelli tyre test after hearing in Monte Carlo     read more »

Race Stewards in Monaco have opted to pass a report to the FIA in terms of the protest lodged by Red Bull and Ferrari following Mercedes' test in Barcelona with Pirelli. read more »

Nico Rosberg's Monaco Grand Prix victory was officially confirmed on Sunday evening after stewards asked to judge on Mercedes' controversial tyre test said that they... read more »

Lewis Hamilton says Mercedes' tyre issues in race conditions are not over despite team-mate Nico Rosberg's Monaco win. read more »

Mercedes' alleged breach of the Formula 1 regulations with its secret tyre test for Pirelli is now set to go to the FIA International Tribunal read more »

Nico Rosberg's victory in the Monaco Grand Prix is safe - despite the ongoing discussions regarding a protest about his Mercedes team's secret tyre test read more »

Mercedes team boss Ross Brawn has insisted that there was no way his squad could have benefited from the private test it carried out for Pirelli after the Spanish Grand Prix read more »

Mercedes executive director Toto Wolff insists there was nothing secretive about Mercedes tyre test with Pirelli following the Spanish Grand Prix read more »

Sebastian Vettel said Mercedes didn't win the Monaco Grand Prix because of its tyre test with Pirelli last week read more »

The FIA has confirmed Red Bull and Ferrari have lodged protests against Mercedes' tyre test with Pirelli in Spain earlier this month read more »

Dr Helmut Marko says Mercedes could have gained a one second per lap advantage by testing between the Spanish and Monaco grands prix. A controversy has erupted over... read more »

The FIA Stewards have convened a hearing into Mercedes' post-Spanish GP tyre test after Red Bull and Ferrari lodged complaints. read more »

Red Bull's Mark Webber admitted he was surprised to learn that Mercedes had carried out a secret tyre test with Pirelli after the Spanish Grand Prix read more »

Ross Brawn insists that there was nothing untoward about the three-day tyre test it conducted on behalf of Pirelli after the Spanish Grand... read more »

Red Bull has lodged an official protest against Mercedes' private test with Pirelli, with team principal Christian Horner seeking "clarity" read more »

Pirelli has attempted to play down speculation that it was giving Mercedes a boost - or breaking the F1 rules - by involving it in a tyre test in... read more »

Red Bull has filed a protest against Mercedes ahead of this afternoon's Monaco Grand Prix, with the reigning World Champions questioning whether the Silver Arrows had... read more »

Red Bull has protested Mercedes over a breach of Formula 1's sporting regulations, AUTOSPORT has learned, after it emerged the Brackley-based team conducted a secret tyre... read more »

There has been controversy in the Monaco paddock as it was revealed that Mercedes and Pirelli completed 1,000km of private testing last week in Spain. Red Bull team principal... read more »

Tension is growing in the paddock ahead of Sunday's Monaco Grand Prix, with it being revealed that the Mercedes team staged a private three-day tyre test at the Circuit... read more »

It has emerged in Monaco that Mercedes took part in a 1000km private test at the request of Pirelli after the Spanish Grand Prix, leading its rivals to argue it has gained an... read more »