Mercedes have signalled their intent by going aggressive in their tyre choices for the season-opening Australian Grand Prix, while their likely rivals Ferrari and Red Bull have opted for more conservative choices for the three days in Melbourne.
World Champion Lewis Hamilton has chosen nine sets of Pirelli ultrasoft compound tyres, three sets of supersofts and one set of softs, while teammate Valtteri Bottas has the same number of purple band tyres along with two sets of softs and two of supersofts.
Ferrari in contrast are more conservative with only seven sets of ultrasofts for their drivers Sebastian Vettel and Kimi Raikkonen, who also have three sets of softs and three sets of supersofts each in their garage.
Red Bull 's Max Verstappen and Daniel Ricciardo have also chosen the same allocation for Albert Park, both opting for eighth sets of ultrasofts, three sets of supersofts and two sets of softs.
Williams and McLaren drivers were also aggressive in their choices, their drivers opting for nine sets of ultrasofts.