Mercedes has revealed the lengths it went to in order to fix Lewis Hamilton's Mercedes engine ahead of the Russian Grand Prix and how it involved help from F1 boss Bernie Ecclestone.
Toto Wolff has labelled the people suggesting Mercedes is intentionally sabotaging Lewis Hamilton's car "lunatics".
Mercedes chairman Niki Lauda has labelled suggestions that his team is favouring Nico Rosberg over Lewis Hamilton as "bulls---".
Maurizio Arrivabene has rubbished Daniil Kvyat's claim that a sudden deceleration from Sebastian Vettel caused the Ferrari driver's race-ending crash in Russia
Nico Rosberg has played down the suggestion that he has taken four easy victories this year, but admits he was not expecting such a good start to the season.
Toto Wolff says an engine issue nearly derailed Nico Rosberg's easy win at the Russian Grand Prix.
Lewis Hamilton said there was no doubt in his mind that he had the pace to beat teammate Nico Rosberg to victory at the Russian Grand Prix had it not been for a water pressure warning.
Lewis Hamilton has switched back to his original engine of 2016 for the Russian Grand Prix after encountering an MGU-H problem in qualifying.
Nico Rosberg admits he is "very surprised" by Mercedes' large advantage over Ferrari in Russia.
Mercedes boss Toto Wolff has labelled Lewis Hamilton's MGU-H failure at the Russian Grand Prix as a "freak" issue despite its occurrence in two consecutive qualifying sessions.
Lewis Hamilton does not understand how his engine has suffered identical failures at successive races after encountering an engine issue during qualifying for the Russian Grand Prix.
Nico Rosberg admits the issues which have hit rivals Lewis Hamilton and Sebastian Vettel will make his Russian Grand Prix easier from pole position.
Lewis Hamilton played down his advantage over the rest of the field in Friday practice at the Russian Grand Prix and is expecting more from Mercedes teammate Nico Rosberg in qualifying.
Lewis Hamilton returned to the top of the timing screens in Sochi as Sebastian Vettel broke down during Friday's second practice session.
Mercedes has spent its first in-season engine development tokens at the Russian Grand Prix to improve its fuel system.
Lewis Hamilton says F1 should adopt a fully-closed cockpit if it has to go ahead with introducing head protection next year, saying the Red Bull canopy concept looks too much like "a riot shield"
Championship leader Nico Rosberg believes Ferrari has yet to show its true pace this season and is expecting a tougher fight for victory in Russia this weekend.
Mercedes technical boss Paddy Lowe believes F1's power units should remain a battle ground for performance despite plans to close the gap between manufacturers.
The power unit that suffered an MGU-H failure on Lewis Hamilton's car during qualifying for the Chinese Grand Prix has been repaired and will be taken to the Russian Grand Prix as a spare.
Toto Wolff says he is keen to keep Nico Rosberg at Mercedes next year, but says neither party is in a rush to finalise the contract negotiations beyond the end of this season.
Lewis Hamilton says Nico Rosberg has "breezed" to three straight victories without much of a challenge so far in 2016.
Maurizio Arrivabene believes Ferrari's deficit to Mercedes is now just one tenth of a second despite Nico Rosberg's dominant victory at the Chinese Grand Prix.
ESPN's looks back at the six other drivers who have won the first three races of the season -- all going on to win the championship in the process -- after Nico Rosberg's win in China.
Lewis Hamilton does not think he owes Formula One anything as he promotes the sport "better than any other driver ever has".
Triple world champion Niki Lauda was presented with a Lifetime Achievement award at the Laureus World Sports Awards.
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