Toto Wolff says Mercedes are dealing with 'unfinished business' at the Brazilian Grand Prix as they look to secure a fifth consecutive constructors' championship at Interlagos, as well as bounce back from a Mexican GP which frustrated the Silver Arrows, despite Lewis Hamilton's title triumph. Hamilton secured his fourth crown in five years and fifth overall by finishing fifth in Mexico, however both the Brit and team-mate Valtteri Bottas went backwards on raceday as Mercedes struggled to get their heads around the tyres. Ever the perfectionist, Wolff has laid down the challenge to his team to get back to their best in Brazil. "Mexico was a bittersweet weekend," he says. "On...
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