MERCEDES BOSS STUNNED BY TIRE DEGRADATION LEVELS

Original: Mercedes F1 boss reveals Spanish GP tyre concern: 'Our strategy chief said six stops'

Toto Wolff reveals that Mercedes' strategy chief estimated six pit stops would be necessary due to extreme tyre degradation experienced during the Spanish Grand Prix.

Toto Wolff has admitted his Mercedes team were stunned at the levels of tyre degradation at the new F1 Spanish Grand Prix track in Madrid.