Mercedes: Uncertainties over W14 F1 car gone with new "baseline" in place

The German manufacturer had the first run of its upgraded F1 challenger on a proper circuit in Spain this weekend, after the parts appeared originally in Monaco. 
And as Lewis Hamilton put himself in contention for a front row start, before a collision with team-mate George Russell damaged his car and compromised his later form, Mercedes says it has taken huge encouragement from what it ...Keep reading