Form guide: Mercedes under pressure in the heat

No sign of help for Rosberg Nico Rosberg needs other cars to get involved in the battle at the front in Abu Dhabi, but as GARY ANDERSON and EDD STRAW explain, that seems unlikely 1416528000 F1

Rosberg's best Friday of 2014 Being at the top of the timesheets was only part of the story for Nico Rosberg. As GARY ANDERSON and EDD STRAW explain, he has other reasons to be delighted with Friday practice at Interlagos 1415318400 F1

Mercedes fires 2015 warning shot in America It was no surprise to see Lewis Hamilton and Nico Rosberg setting the pace, but GARY ANDERSON and EDD STRAW explain why their speed suggests Mercedes won't be losing top spot in the longer-term 1414800000 F1

Is McLaren's Friday pace real? McLaren was the closest challenger to Mercedes in free practice at Sochi. GARY ANDERSON and EDD STRAW investigate whether it can carry this form into the race 1412899200 F1

Will signing Vettel save Aston Martin? Racing Point's decision to hire Sebastian Vettel for the start of its new era as Aston Martin is intriguing. Lawrence Stroll's team opted to cut the emotional ties to Sergio Perez to sign a multiple champion, as the next step of a wider long-term strategy 1600819200 F1

How a DTM failure became an unlikely Nurburgring conqueror Opel's fortunes in the DTM had taken a turn for the worst by 2003 - hardly the pedigree that suggested it could take on the toughest 24-hour race of them all. But that's exactly what it did 1600819200 DTM

How the first F1 Mercedes laid the path of greatness When one of the giants of pre-war grand prix racing returned to the track in the 1950s, it did so with game-changing thoroughness. STUART CODLING examines the Mercedes W196 1600732800 F1

The youngster set to end a 20-year wait for Suzuki Three podiums from the last four races have propelled Joan Mir into the fight for the most unlikely of MotoGP titles. However, there are other factors that further back up his chances of serving up Suzuki's first premier-class crown since 2000 1600732800 MotoGP