Nico Rosberg scored his second consecutive pole position and the team's third in a row at the Circuit de Catalunya this afternoon.
With Lewis in second, both Mercedes will start from the front row for the first time since the 2012 Chinese Grand Prix. Both drivers used three sets of option tyres during qualifying and saved four fresh sets of the prime compound for the race.
I know everyone back at the factory and at home will have been watching this afternoon and it's a great feeling for all of us.
However, we know that this is only half of the job completed and have the painful memory of what happened in Bahrain to prove that.
We've worked very hard on our race pace but this track is tough for the tyres, particularly with graining.
So it will be a big challenge tomorrow and our goal is to make the most of the opportunity we have from starting at the front and get a strong result for the team.
Lewis Hamilton (1:20.972 - P2): A great job by the team and I'm so happy that we got a one-two qualifying result today. It's a real bonus for us to be so high up, and that's all down to the hard work that the team have put into this car, I can't thank them enough.
Of course, I'd like to be one place higher but Nico did an awesome job and really nailed his lap. I've not been totally happy with the balance of my car all weekend, even today, so we need to look at it this evening and see what we can do for the race.
Limiting the degradation is going to be my major challenge as the general pace isn't too bad. It's going to be tough to keep these positions tomorrow but we'll give it our best shot.
Ross Brawn: A great job by the team and both of our drivers today: I believe we have the strongest driver pairing in Formula One this year and they demonstrated it today. However, we know that it's tomorrow afternoon that counts and we have worked diligently this weekend to find the right solutions to improve our performance and consistency in race conditions.
I don't think we will be the strongest team in the race but we are starting from the best possible position. Now we need to get through the first stint, which will certainly be interesting on the option tyre, and then see how our race develops.
Toto Wolff: It was a nice surprise for us to see both cars at the top of the times this afternoon but we know that Sunday afternoon is a more complicated challenge for us. We have worked all weekend with the race in mind but it is clear that we are harder on the tyres than some of our rivals. Tomorrow will show us what progress we have made on improving this situation and our pace in the race.
Mercedes AMG Petronas