F1 testing day 4 LIVE: Mercedes look to go fastest again on final day

FERRARI's Sebastian Vettel set the fastest unofficial lap time ever seen at Barcelona's Circuit de Catalunya on day three of test two on Thursday but can Mercedes bounce back today?

from Daily Express :: F1 Feed https://www.express.co.uk/sport/f1-autosport/929290/F1-pre-season-testing-Barcelona-LIVE-stream-Mercedes-Ferrari-Red-Bull
via Express