Mercedes bullish in the face of 'stern test' ahead
Fresh upgrades will be fitted to Mercedes' W15 challenger this weekend at Imola as the Brackley-based squad continues to seek added performance.
![Mercedes bullish in the face of 'stern test' ahead](https://cdn.racingnews365.com/2024/Russell/_1800x945_crop_center-center_75_none/XPB_1274864_HiRes.jpg?v=1715070018)
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