Toto Wolff says that Mercedes will not get carried away after "promising" signs back at the factory. The team have faced a difficult start to the 2023 F1 season, with the W14 unable to match the pace of Red Bull and Aston Martin during the opening races of the campaign. However, George Russell and Lewis Hamilton finished ahead of both Ferraris in Saudi Arabia, and Wolff feels that the team can take positives from the event. "The progress we saw in Saudi Arabia was encouraging," Wolff explained in a preview of the upcoming Australian Grand Prix. "We maximised the package…