general
Mercedes divided over FIA engine rankings as Russell and Antonelli react ahead of Barcelona
F1TechnicalJune 11, 2026
Curated for Torqlytics readers — aggregated from trusted F1 publishers, not original reporting.
The fallout from the FIA’s first Additional Development and Upgrade Opportunities (ADUO) assessment continues to ripple through the Formula One paddock, and Mercedes arrive at the Barcelona‑Catalunya Grand Prix with their two drivers offering strikingly different interpretations of the governing body’s engine findings.