Update: The person who attempted to blackmail Toto Wolff has been revealed as the former HRT boss in Formula One.
Niki Lauda and Toto Wolff do not agree with Brawn's decision
Mercedes boss Ross Brawn also commented on the inconsistency of his driver, Hamilton.
According to the seven times world champion, Mercedes did not have the needed funds during his tenure with the team. Michael Schumacher: "It's a factor."
Ferrari's move to replace outgoing team boss Stefano Domenicali with Marco Mattiacci seems to only be a temporary solution before a permanent successor is found.
The new engine maps are designed to optimise the exhaust solutions being developed for 2013.
We could see one team dominating the 2014 championship - Adrian Newey
Adrian Newey elected to not attend the Japanese Grand Prix in order to work on the 2014 Red Bull Formula One car.
Berthold Bouman, F1 correspondent
Niki Lauda claims Ross Brawn will return to Formula One.
The aerodynamic design philosophy has been optimized, but the new Mercedes F1 car retains pushrod front suspension and a pullrod rear suspension.