SHANGHAI (Azat TV) – McLaren has officially launched a joint investigation with engine supplier Mercedes High Performance Powertrains (HPP) following a catastrophic double retirement at the 2026 Chinese Grand Prix. Neither Lando Norris nor Oscar Piastri were able to take the starting grid on March 15, as both cars suffered terminal electrical faults that prevented them from firing up their power units.
Technical Investigation into Mercedes Power Units
The failures, which occurred in the critical pre-race window, marked a low point for the team’s 2026 campaign. While both cars were sidelined by electrical issues, the team confirmed that these were two distinct, separate problems rather than a single systemic failure. McLaren engineers are working closely with Mercedes technicians to isolate the root cause of these malfunctions, which rendered the cars immobile just as the field prepared for the formation lap.
Lando Norris, who had qualified for a strong position, expressed the frustration shared by the entire paddock. “It is an issue that is not letting us even start the car,” Norris stated following the withdrawal. “The team is still trying to investigate what is actually happening or what is going on and why it is not working as it should.”
Impact on McLaren’s 2026 Season Momentum
The double DNS (Did Not Start) carries significant weight for McLaren’s championship aspirations. With the team unable to challenge for points, the vacuum on the third row of the grid was a stark reminder of the volatility currently facing the grid under the 2026 technical regulations. For Oscar Piastri, the disappointment is compounded by the fact that this marks his second consecutive non-start, following an incident at his home race in Australia just one week prior.
Reliability concerns are becoming a recurring theme in the early stages of the season. Beyond the McLaren garage, other teams have faced similar struggles, highlighting the extreme pressure on power unit components as manufacturers push the limits of the new hybrid systems. The lost championship points in China leave McLaren with a steep climb as they shift their focus toward the next round in Japan.
Stakes for Reliability in the New F1 Era
The collaboration between McLaren and Mercedes is now the primary focus for the team, as they look to ensure that these electrical gremlins do not persist throughout the remainder of the calendar. The urgency of the situation is clear, with the team emphasizing the need to rule out any repeat of the Chinese GP disaster. As the sport moves deeper into the 2026 season, the ability to maintain absolute reliability has become as important as raw aerodynamic performance.
The double failure underscores a fragile state for mid-field and front-running teams alike, as the 2026 regulatory shift continues to expose the limits of power unit integration, making the upcoming data analysis from the Mercedes HPP partnership critical to McLaren’s ability to remain in the hunt for the Constructors’ Championship.

