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Mercedes will bring big upgrades and show their real pace in pre-season testing in Bahrain next week, according to former Formula One driver Jolyon Palmer, who says the best is yet to come from the team.

Mercedes had a drama-free three days of testing in Barcelona last month but it was Red Bull and Ferrari who looked to have the most impressive cars for 2022.

On day three in Spain, Lewis Hamilton was quickest while new driver George Russell was second-fastest as the duo posted times that were 0.3seconds ahead of third-placed Sergio Perez.

But the main consensus was that the Silver Arrows had failed to impress as much as some of their rivals despite having won the last eight Constructors' Championships in a row.

With Russell new to Mercedes, and with Red Bull and Ferrari impressing and McLaren posting strong times with