According to Tobias Gruner, Auto Motor und Sport correspondent, there are signs Mercedes is one step ahead.
"Our current problems are not with the team, but in the engine area. The team has more than excellent know-how." - Dietrich Mateschitz.
Could Formula One slow down with new regulations in 2014?
The Mercedes AMG Petronas Formula One Team has given Formula One fans around the globe a unique insight into the future today
Four-time Formula One World Champion Alain Prost got the chance to get back behind the wheel of his Renault RE40, which he raced in 1983.
Williams will be supplied with a Mercedes-Benz Power Unit by Mercedes AMG High Performance Powertrains
Next year fuel will only be allowed to flow into the engine at a prescribed speed.
Lotus is still working to make 2014 simulator as accurate as possible.
"If there are 22, we can talk about a sixth engine per driver" - Charlie Whiting