Lewis Hamilton says there is more to come from both himself and his car as he looks to strengthen his drivers' championship lead.

Victory in the Spanish Grand Prix saw Hamilton move ahead of his team-mate Nico Rosberg in the standings for the first time this season, with the Barcelona win being his fourth in a row. However, after the race in Spain Hamilton said he still had areas he needed to work on, and asked by Crash.net in Monaco if that was specific to the car or driver, Hamilton said there was room for improvement from both.

"There's more to come from me and there's more to come from the car together," Hamilton said. "There is more I can extract from the car, and just in myself there is a little bit more there.

"It's not a case of just going out and doing it, it's about how you approach the weekend, the steps you take from the moment you get out on the track, and the information you bring back. Sometimes you do a lap and you think while you're in the lap 'I'm going to mention that thing' and then you finish your run and you've completely forgotten that part but it turns out that's quite important for the whole weekend.

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"It's about making sure you extract all the data and you make the right steps, so I'll try to do another step this weekend and we'll see how that goes."

And Hamilton reiterated his desire to see other teams challenging Mercedes this weekend, having previously said he wouldn't want to win races by huge margins like Sebastian Vettel was able to at the end of 2013.

"It's not the easiest thing to comment on because when you have it you don't want to wish it away, but at the same time you do want to race. The good thing is, unlike Sebastian, who was leading by 30 to 40 seconds each race, it's not the case now as I'm racing my team-mate, so I'm grateful for that.

"Of course, I'm hoping this weekend we can have a closer race. It would be cool if it was scattered, with Ferraris and Red Bulls in the mix."