Engine issues force Mercedes' hand

Championship leader Kimi Antonelli will take a grid penalty at his home Italian Grand Prix next month after Mercedes confirmed a new power unit will be installed for the Monza round.

Mercedes team principal Toto Wolff revealed the news after Saturday's sprint race at Zandvoort, explaining that two separate technical issues for Antonelli this season have left the team resigned to exceeding the capped allocation of power unit parts.

Each driver is permitted a limited number of various power unit components per season, and Antonelli is now one element away from breaching the limit for several components. The penalty will be a minimum of 10 places, but if multiple parts are installed simultaneously, the Italian could be consigned to starting at the back of the grid regardless of his qualifying position.

Why Monza?

Teams generally choose to incur grid penalties at circuits where overtaking is easier, making Monza — with its long straights and reputation for close racing — a logical choice. The Italian Grand Prix takes place from September 4-6 at the Temple of Speed.

Wolff indicated the decision was strategic: "We need big points. Kimi is going to probably lose some in Monza starting in the back, so hopefully we can pocket some here."

Before the start of the sprint at Zandvoort, Antonelli's father Marco had hinted to Sky Sports F1 that his son would be taking a penalty at Monza, saying: "Monza we will see. It will be difficult, for sure — for a lot of reasons."

Russell could face similar fate

Antonelli's Mercedes team-mate George Russell is in a similar position regarding power unit part usage and is also expected to need to incur a penalty before the end of the season. However, neither Mercedes nor Russell have yet indicated where the British driver will take his penalty.

Antonelli, who turns 20 on Tuesday, currently holds a 53-point lead over Ferrari's Lewis Hamilton in the drivers' standings after the Dutch Grand Prix sprint. Russell sits 56 points behind his team-mate after winning the sprint at Zandvoort.

The timing of the penalty is not ideal for Antonelli, who described his Dutch Grand Prix weekend as a "wake-up call" after qualifying mistakes. With Russell closing the gap and the Monza penalty likely to cost significant points, the championship fight could tighten considerably as the season enters its crucial autumn phase.