Romain Grosjean was quickest during the second day of testing in Jerez on Wednesday for Lotus. The Frenchman concentrated on short runs in the afternoon to post a... read more »

Lewis Hamilton was left encouraged by the pace of the new Mercedes F1 W04 at Jerez on Wednesday, despite being restricted to just 15 laps behind the wheel. The Briton, who... read more »

On his first day of official running in 2013, Lewis Hamilton crashed the new Mercedes. The 2008 world champion had done a few filming laps in the silver W04 on Monday, but... read more »

Mercedes has been forced to finish early for the second day in a row at Jerez, with the team having to repair its F1 W04 chassis after Lewis Hamilton's early morning... read more »

Mercedes’s testing has come to a premature end for the second successive day after a crash for Lewis Hamilton. Hamilton had completed fifteen laps in his W04 when he... read more »

Nico Rosberg is confident that this year's Mercedes W04 will be an improvement over the car that struggled towards the end of 2012. read more »

Lewis Hamilton's first official morning of running in the Mercedes W04 ended in the barriers when the Brit crashed the car... read more »

Lewis Hamilton has escaped unhurt from a crash that curtailed his first run in Mercedes' new W04 at Jerez. read more »

Lewis Hamilton's first proper day of Formula 1 testing with Mercedes got off to a bad start on Wednesday when he crashed the team's new W04 read more »

Lewis Hamilton crashed during his first official day of testing for Mercedes at Jerez, with the 2008 World Champion losing control of the new F1 W04 on the run up to the Dry... read more »

Nico Rosberg refused to be downbeat after Mercedes suffered an electrical issue at Jerez on Tuesday, with the German having to end his day prematurely. The 27-year-old says he... read more »

Nico Rosberg has said that the Mercedes W04 feels ‘solid’ despite completing only fourteen laps following an electrical fault. Rosberg’s day ended... read more »

Nico Rosberg says he had a "good feeling" about his W04 right up until an electrical problem caused the car to stop... read more »

Nico Rosberg has faith that Mercedes has delivered a step forward with its new W04, despite his running being cut short on the opening day of Formula 1 pre-season testing read more »

Mercedes is forced to bring its programme to an early end on day one of running in Jerez after an electrical issue hits Nico Rosberg's first run in the new F1 W04 read more »

Ross Brawn says Mercedes has to make improvements in 2013 after the launch of the new F1 W04 in Spain read more »

Mercedes has been forced to cut short its first day of pre-season testing at Jerez, with the team's new F1 W04 suffering an electrical problem. In order to ensure that... read more »

Lewis Hamilton and Nico Rosberg launch the new Mercedes F1 W04 at the Jerez circuit in Spain read more »

Video: Brawn on the F1 W04 read more »

Mercedes debuted their 2013 car during a filming day at the Jerez circuit on Monday, a day before pre-season testing begins at the Spanish venue. The W04 was uncovered by Nico... read more »

Nico Rosberg has described the new Mercedes F1 W04 chassis as 'a big, big step forward' over its predecessor, with the German getting his first taste of the car... read more »

Ross Brawn is refusing to pass judgement on his team's new W04 until testing but admits he is "pretty pleased" with the car... read more »

Mercedes Formula 1 boss Ross Brawn says the new W04 car has a number of significant innovative concepts despite its similarities with last year's version read more »

Nico Rosberg has said that the Mercedes W04 is ‘amazing’ after a short shakedown in Jerez. The W04 was unveiled in Jerez on Monday by Rosberg and team mate... read more »

Nico Rosberg completed the first few laps with the new Mercedes F1 W04 this morning at Jerez in Spain read more »