Mercedes boss Toto Wolff has cautioned that the team has a lot of work to do to fend off increasing pressure from Red Bull Racing.
Current Formula One standings show Nico Rosberg with 106 points leading, Lewis Hamilton second with 82 and Daniel Ricciardo posted third with 66 points.
Wolff said the team had renewed its focus on improving its performance after RBR only lost in Monaco after a mistake in the pits.
"Monaco brought us mixed emotions," said Wolff. "For Lewis, it was just what the doctor ordered. For Nico, a whole lot of bad luck in one race made it a tough afternoon. But the main thing we took away was the very real threat from Red Bull. It took a bold strategy, a big push from Lewis and an even bigger slice of luck with Daniel's slow pit stop to get us that win."
"I've said this many times before, we have no breathing space in this championship. Maintaining any advantage is a constant battle, and the pressure is only getting bigger. This unpredictable season has been great for the sport and shows that Formula One is alive and well. But, for us as a team, there is clearly work to do. There remains room for improvement in our reliability, but the push for more performance has become increasingly important too."
Meanwhile Executive Director Paddy Lowe said that the team had tried to find out why Nico Rosberg struggled in the race in Monaco: "We came away from Monaco pleased to have won there for a fourth consecutive year - but not entirely satisfied after a tough afternoon for Nico. We've put a lot of effort into understanding why that was and have some good insights to take forwards into future races."
