McLaren boss Andreas Seidl has warned the team can't relax despite a strong first half to 2019.

The British team currently sits fourth in the Constructors' standings and needs just two more points to match their total for the entire of last season.

But while they currently hold the 'best of the rest' position by 21 points over Renault and have had the fourth fastest car for several races, Seidl is adamant McLaren can't rest on their laurels

“We’ve had some positive results in the last few races, but we know there is no room for complacency if we want to keep moving forward and there are always improvements to be made,” he said ahead of the German GP.

“The race at Silverstone proved how close the midfield teams are and, despite the good result at the British Grand Prix, there are still clear areas to work on and we aim to make progress at every single race.

"Heading into the final back-to-back before the summer break, it’s important that we keep our focus during this busy period and push right up until the factory shutdown in August.”

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Driver Lando Norris picked up that point and warned there is still a key area to be addressed on the 2019 car if McLaren wants to remain as the midfield leaders.

“The slow speed is our biggest weakness at the moment. It’s something that we need to work on, but it’s not as easy as it looks,” he told Crash.net

“It’s easy just to change things, but it’s a weakness of this car and that’s what we need to focus on as well as to try and keep the high-speed and medium-speed [strength], though we still need to improve there because compared to the top teams we’re still a long way off.

“It’s not something we can change over a weekend. It’s not like something we can just optimise the speed of the car for the slow-speed and sacrifice the high-speed," the Briton added.

“We can’t gain as much as we’re losing at the moment. It’s part of the longer-term project, and hopefully something we can improve over the winter.”