Lewis Hamilton vented his frustration after Valtteri Bottas took advantage of his penalty to close the gap between them in the championship.
Mercedes have become the longest-running holders of Formula 1's constructors championship title, breaking the record previously held by Ferrari.
Formula 1 race director Michael Masi defended the independence of the sport's stewards following Lewis Hamilton's claim they are "trying to stop me" with recent penalty decisions.
Ferrari team principal Mattia Binotto said the team made progress with its troublesome SF1000 in the Russian Grand Prix, but not as a result of the new parts they introduced.
Charles Leclerc said he collided with Lance Stroll on the first lap of the Russian Grand Prix because he understeered in the slipstream of the Racing Point driver's team mate.
George Russell proposed a redesign for Sochi's turn two, which he called "one of the worst corners on the calendar".
In the round-up: Vettel "not happy" with Russian Grand Prix performance • Gasly disadvantaged by starting on used tyres - AlphaTauri • Russell pleased with start improvement