Mercedes was struck by a power unit issue at Bahrain Formula 1 testing, while Red Bull suffered a two-hour delay on Thursday morning
The Mercedes Formula 1 team has encountered its second issue of the Bahrain test, with Andrea Kimi Antonelli's W17 breaking down after just three laps with a power unit issue.
Mercedes had been reliably racking up miles at Barcelona's shakedown, but ... [1605 chars]