George Russell believes Mercedes' move to offer its biggest upgrade package so far of the 2022 Formula 1 season will not provide a "silver bullet" to fix its initial struggles.
Eight-time constructors' champion team is trailed by Ferrari
Lewis Hamilton (Bahrain) and Russell (Aus) made one podium each, but the unreliability only ousted defending champion Max Verstappen, who was leading in both events.
For the opening of this weekend's Miami Grand Prix, however, Mercedes has introduced a more efficient front wing endplate and less downforce,
The short rear and beam wings design to adapt to the long back straight and high-speed sweeping second sector.
These new parts mark its most significant update for the W13 as minimalist sidepods broke cover for the second pre-season test in Bahrain.
Russell has dashed hopes of immediate performance gains,