MERCEDES: Everything you need to know before the 2020 F1 season starts

In the final part of our series looking at how all of the teams are shaping up for the delayed Formula 1 season, it’s time to check in on the defending champions: Mercedes. Will it be another season of glory for the Silver Arrows? Or will a key departure and uncertainty over some of the leading personnel in the team destabilise this incredible winning machine in 2020?

How did they look at winter testing?

Last year was perhaps the only exception since 2014 as Ferrari looked quicker in 2019 pre-season testing, but it was business as usual again this year as Mercedes appeared to be the class of the field in Barcelona.

They were quick from the outset – very quick, in fact – during the first week, and their reliability was almost as solid as their pace. They did have some power unit failures, but despite that they still managed to complete the highest total mileage of any team.

BARCELONA, SPAIN - FEBRUARY 28: Lewis Hamilton of Great Britain driving the (44) Mercedes AMG — Mercedes once again had the quickest car in pre-season testing at Barcelona in February

And they were also centre of attention when it came to new parts on their car too, with the innovative Dual Axis Steering (DAS) system appearing during winter testing, with the drivers moving the steering wheel inside the car to adjust the toe angle of the front wheels on the straights.

DAS explained: What we know so far about Mercedes' trick new steering system

It all added up to yet another impressive pre-season for the defending champions.

What does Mercedes' 'DAS' steering wheel do? Jolyon Palmer explains

What’s happened since then?

As with all the UK-based teams, Mercedes were part of Project Pitlane after racing was put on hold, focusing their talents to address a shortfall in ventilators and associated equipment after a call for support from the UK Government.

Once factories could reopen and a date was set for the start of the season, they were the first team to confirm an on-track test to prepare for what will be the new normal in Austria, with Lewis Hamilton and Valtteri Bottas each completing a day's running in a two-year-old W09 at Silverstone.

While it acted as a chance for the drivers to get back up to speed after limited opportunities behind the wheel, the focus was on the protocols that must be adhered to from this weekend onwards.

Hamilton drove the 2018 Mercedes F1 car, a day after team mate Valtteri Bottas, at Silverstone

Lewis Hamilton wears a face mask as he looks over the data from his test on June 10

The Briton is ready to defend his title and secure a record-equalling seventh championship

Social distancing and safety measures were taken amid the continuing coronavirus pandemic

Silverstone will host the fourth and fifth races of the 2020 season

Mercedes are preparing to hit the ground running for the opening Austrian Grand Prix on July 5

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Hamilton drove the 2018 Mercedes F1 car, a day after team mate Valtteri Bottas, at Silverstone

The departure of a key member of Mercedes’ successful team was also announced in June, as Andy Cowell – the Managing Director of Mercedes High Performance Powertrains and the man who has overseen their incredibly successful hybrid engine programme – will officially leave the company in January, but has already been handing over responsibilities.

Team Principal Toto Wolff also admitted he is 'contemplating' his own future with the team, while drivers Lewis Hamilton and Valtteri Bottas are also out of contract at the end of this year.

Also this week, Mercedes revealed a significant change in livery from their usual silver base to an all-black design (which you can see above) in what the team describe as “a public pledge to improve the diversity of our team – and a clear statement that we stand against racism and all forms of discrimination”.

What have the drivers been up to in the break?

Hamilton spent the first part of the break focusing on training and ensuring he was ready for when racing could resume. But the growing focus on the Black Lives Matter movement and calls to address racial injustice around the world have really seen Hamilton step to the fore.

The six-time world champion has been a leading voice in the movement, attending rallies and establishing The Hamilton Commission with the target of identifying how motorsport can be used to increase interest and opportunities for young black people in Science, Technology, Engineering and Mathematics (STEM) subjects.

MELBOURNE, AUSTRALIA - MARCH 12: Lewis Hamilton of Great Britain and Mercedes GP looks on during a — Hamilton has found a renewed focus on social justice as the Black Lives Matter movement gripped the world's conscience

Bottas followed a similar approach to Hamilton in the early part of the shutdown as he was based in Finland with his girlfriend – Australian cyclist Tiffany Cromwell – and the pair were able to take on some serious fitness training while Bottas also showed her the ropes at the karting centre in Lahti.

The Finn took part in the latter stages of the Virtual Grand Prix series before the Silverstone test, and when we get back to racing in Austria both Bottas and Hamilton will have revised helmet designs to match their new all-black overalls and the updated Mercedes livery.

How are they looking for Austria?

As you would expect, Mercedes are in pretty good shape. Coming out of pre-season testing they were the favourites for the championship, and they have also been able to catch up on a lot of the development time that had been lost as a result of the lockdown period.

Technical director James Allison says most of the planned upgrades for this season will still make it to the car by the opening race, and they were already starting from a strong baseline.

Mercedes have also had the longest of any team to react to how they found track running with the new safety protocols after their early test, as well as extra time to iron out any reliability issues with their power unit that had surfaced in pre-season.

And with temperatures not looking particularly high this weekend, they shouldn’t face the overheating issues that they did last year, either.

What will their target be for the season?

Anything less than another championship double will be seen as a failure for Mercedes, and they will be set on extending their remarkable run to seven drivers’ and constructors’ championships in a row.

They had the best car in pre-season, but that doesn’t mean they’re going to have an easy ride and the opening three races could be crucial to their hopes.

Hamilton: The ridiculous stats

Red Bull have traditionally been strong in Austria and Hungary, and will have a number of upgrades of their own as well as an updated Honda power unit, so Mercedes will have stern competition.

But, in Lewis Hamilton, they have a driver aiming to match Michael Schumacher’s record of seven drivers’ titles and perhaps even overhaul his total number of wins. It’s a partnership that has been so successful over the past six years that it will take something very special to stop them.