No crystal ball on when Mercedes can beat Red Bull in F1

The heavily revised new W15 was launched at Silverstone on Wednesday morning, ahead of some initial shakedown laps by Lewis Hamilton and George Russell.

Wolff is optimistic about the prospects for the new car, citing a “buzz” in the camp, but he acknowledged that it won’t be easy to take on the team that has dominated the last two seasons.

“On one hand, you need to be realistic about the odds of beating a team that is a fair chunk ahead under…