Lewis Hamilton knows Mercedes face a difficult task in trying to squeeze as much power as possible out of their engine while maintaining reliability, but has faith in his engineers to rectify any issues before the Australian Grand Prix.
The new Mercedes W11 car displayed moments of extreme pace in testing, but over the course of the sessions in Barcelona the team were confronted by reliability issues, with both Hamilton and Valtteri Bottas having to retire due to engine failures.
Williams, who use Mercedes engines, also faced similar problems and had to use three separate power units.
Hamilton reckons the issues are coming from the quest to be the fastest, but admits the team perhaps need to take a step back if it means getting the balance right with reliability.
"It was a difficult winter last year, and I think it's been a difficult winter this year,” he told Autosport.
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