Russell told Spanish GP is make-or-break: 'If he doesn't beat Kimi, it's over. No World Championship'

The latest setback in Monaco, where he finished outside the points while his teammate claimed a fifth consecutive victory, has left the Briton 68 points adrift in the drivers' standings. He now finds himself behind even Lewis Hamilton in the championship, despite driving a significantly more competitive car, albeit by just two points.

Discussing the title battle between the two Mercedes drivers on the Up To Speed podcast, Coulthard argued that the Spanish Grand Prix could prove to be a defining moment in Russell's championship campaign.

According to the former F1 driver, Russell needs to demonstrate that he can still match Antonelli's level by fighting for pole position and, above all, finishing ahead of his teammate. With Mercedes possessing one of the fastest cars on the grid, Coulthard believes there are few excuses left for the Briton if he wants to remain a genuine contender for the title.

The Scot went as far as suggesting that another defeat to Antonelli would effectively put an end to Russell's championship hopes, given the momentum currently enjoyed by the young Italian and the growing gap between the two in the standings: “He needs to show he can take a pole in Barcelona, and assuming the car is quick enough, of course, he just needs to be beating Kimi. Let’s be honest. If he doesn’t beat Kimi, it’s over. No World Championship.”

Mercedes Trackside Engineering Director Andrew Shovlin has provided a detailed explanation of the sequence of events that ultimately resulted in Russell receiving a costly drive-through penalty during the Monaco Grand Prix.

The incident stemmed from a chaotic Safety Car period, after Mercedes had already missed an earlier opportunity to pit Antonelli. While the team still had a chance to service the Italian on the following lap, circumstances quickly became more complicated when race control announced that the Safety Car would travel through the pit lane rather than around the circuit.

At that point, Antonelli was already committed to his stop and was serviced as planned. Mercedes, however, intended for Russell to remain on track and continue through the fast lane. The problem was that both drivers' tyre sets had been prepared in the garage, something that is routinely done under Safety Car conditions to allow the team to react quickly to changing situations.

As Russell entered the pit lane, he spotted a set of tyres ready outside the Mercedes garage and naturally assumed the stop was intended for him. With little time available, the team was unable to communicate the change of plan before he reached the box. Believing he had been called in, Russell turned into the pit area despite the fact Mercedes had actually wanted him to stay out. The unexpected stop immediately created a problem. Because the mechanics were not anticipating Russell's arrival, they were not in position to correctly carry out the penalty procedure.