After a year of development, Mercedes debuted its new DAS system on the second day of pre-season testing in Barcelona, sparking intrigue throughout the paddock.

The system allowed Hamilton and Bottas to adjust the toe angle of their cars by pulling and pushing the steering wheel in the car.

While question marks remain over its sporting legality under parc ferme rules, most rivals hailed Mercedes’ innovation with the new device.

But the team is yet to make a firm decision on whether the DAS system will be used at the opening race in Australia, having spent time in testing evaluating the advantages it offers.

“Definitely run by run we were learning more about it,” Bottas said. “With the test, the engineers have more time to learn from the data and more of the guidelines f

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