Red Bull’s quadruple Formula One world champion Sebastian Vettel was third fastest.
Lewis Hamilton will line up on pole position for Sunday’s Chinese Formula One Grand Prix.
Mattiacci revealed how fast things had moved between him being offered the job and accepting it.
Nico Rosberg and Lewis Hamilton are placed first and second in the points table respectively.
Rosberg complained over the radio, “That’s not on,” after a ding-dong duel with his team-mate Hamilton.
Team Principal Vijay Mallya said they have shown in the first few races that they have a very competitive car this season.
Nico Rosberg finished as the runner-up in the last two races but leads the championship by 11 points.
Three victories out of three tell the story but Mercedes also received boosts from two of their main rivals.
No further sanction against Red Bull was announced. FIA added that decision would be published by end of week.
Domenicali said he had made his decision to shake things up for the good of the group.
Ricciardo was stripped of his second-place finish in last month’s race because his car exceeded the new fuel-flow rules.
Driving for Team Impul Hoshino Racing, the 37-year-old qualified just a tenth behind Andre Lotterer.
Ricciardo finished 2nd in Australian GP last month, but was disqualified later for breaching fuel flow rules.
The team conducted an exhaustive analysis of the data to see where Hamilton had made the difference.
Dan Fallows appointed as Red Bull’s head of aerodynamics, replacing Peter Prodromou.
After a dull race in Malaysia the previous weekend, Sunday was suddenly showtime again.
FIA President Todt confirmed that applications were being considered and said a decision will be announced.
Force India’s Sergio Perez was third in his first podium finish since 2012 and his teammate Nico Hulkenberg fifth.
Hamilton won a thrilling Bahrain Formula One Grand Prix after a duel with Mercedes team mate Nico Rosberg.
McLaren boss Ron Dennis wasn’t pleased with Vettel’s description of the new V6 turbo engines.
Mercedes driver Nico Rosberg finished at pole position at the Bahrain Grand Prix on Saturday.
Formula One champion Lewis Hamilton completed a stunning hat-trick at the Bahrain Grand Prix on Saturday.
Lewis Hamilton completed 14 laps and was fastest with a best time of 1 minute 37.502 seconds.
The most successful Formula 1 champion of all time has been in a stable but critical condition.
Ferrari have yet to get one of their drivers on podium, with Fernando Alonso fourth in Australia and Malaysia.
Hamilton is also wary of allowing complacency to creep into the team, who claimed their first one-two since 1955.
was Mercedes’ first one-two since 1955, their last year as a works team before 2010.
The second place finish moved Rosberg on to 43 points in standings, 18 clear of Hamilton with Alonso third on 24.
Vettel’s lap was an impressive turnaround for the German, who retired in Melbourne two weeks ago.
Hamilton’s pole was the 33rd of his career, bringing him level with former world champion Jim Clark.