Mercedes' Toto Wolff says the team has catching up to do with the new tires being used this weekend.
MST: 'Extra homework' for Mercedes at Hungarian Grand PrixMercedes' Toto Wolff says the team has catching up to do with the new tires being used this weekend.PrintJuly 24, 2013, 2:15 PM UTC / Source: NBC SportsMercedes' Toto Wolff says the team has catching up to do with the new tires being used this weekend.