Brundle predicts 'feisty' Mercedes-McLaren battle in 2026

Sky Sports F1 pundit Martin Brundle anticipates a heightened and potentially tense rivalry between Mercedes and its customer team McLaren in the upcoming season, as the works squad seeks to reassert its dominance after watching McLaren win consecutive titles with its engines.

Why it matters:

The dynamic between a top-tier works team and its most successful customer team is a unique pressure point in Formula 1. Mercedes, as the engine manufacturer, faces the dual challenge of competing directly with McLaren on track while also supplying them the power to do so. This creates a complex competitive landscape where pride, technical advantage, and commercial relationships are all at stake, setting the stage for a compelling intra-brand rivalry.

The details:

• Brundle highlighted the awkward corporate reality for Mercedes, noting that team principal Toto Wolff must explain to the Mercedes board how a customer team has won the last two constructors' championships and "absolutely dominated" in 2025.
• The former driver stated Wolff, being "supremely competitive," will be intensely focused on outperforming McLaren this year.
• Regulatory Framework: Brundle pointed out that F1 regulations strictly control the parity of power units supplied to customer teams, preventing Mercedes from giving McLaren a "substandard product."
• Strategic Advantage: However, he suggested the works team still holds a key strategic edge, having "advanced knowledge" of the power unit's development from months of simulator use, and will likely share mandatory information with McLaren "as late as they can get away with."

What's next:

The 2026 season will test this manufacturer-customer relationship under new competitive pressure.

• While Mercedes will be "desperate to beat McLaren," Brundle acknowledged the pragmatic fallback: if Mercedes can't win the championship itself, it would prefer the title go to a team using its power unit, like McLaren.
• This sets up a season where on-track battles could be especially fierce, fueled by Mercedes' desire to reclaim top status and McLaren's determination to defend its hard-earned titles, all within the tight constraints of the sport's technical regulations.