McLaren Pinpoints Major Mercedes Deficit, Issues Fresh Directive

McLaren team principal Andrea Stella has offered a frank breakdown of where the reigning constructors' champions are losing time to Mercedes, revealing that roughly 70% of the deficit comes through corners while the remaining 30% is lost on the straights. With McLaren still searching for its first victory of 2026, Stella has issued a clear directive to the team.

Why it matters:

Mercedes has dominated the opening eight races, claiming seven wins and leaving McLaren under mounting pressure to explain its winless start. Stella's assessment isolates the MCL40's downforce shortfall as the primary culprit, while acknowledging that aerodynamic drag and power unit exploitation are also contributing factors on the straights. This gives Woking a targeted development path as it fights to defend its crown.

The details:

• Stella estimates the overall gap at three to four tenths per lap, highlighting that Mercedes generates more downforce, which accounts for the bulk of the time lost through corners.
• On the straights, McLaren is surrendering at least a tenth, possibly from excess aerodynamic drag or differing deployment strategies with the Mercedes HPP power unit.
• The Italian confirmed that "good projects" are already in the works to address chassis limitations, with a firm instruction to minimize drag on the MCL40.
• Stella noted improved collaboration with HPP regarding deployment sensitivity and energy distribution, though he conceded Mercedes appears to hold a straight-line efficiency advantage.

What's next:

With the development race intensifying, McLaren needs rapid upgrades to close the cornering gap without compromising straight-line speed. The team must execute its planned projects effectively to overturn Mercedes' early dominance and avoid letting the 2026 constructors' championship drift out of reach before the summer break.