Toto Wolff has conceded ... heading into the new season. Wolff says Mercedes are hoping that their W16 challenger will have a wider operating window than its predecessor, the W15.
ABU DHABI, UNITED ARAB EMIRATES - NOVEMBER 23: Mercedes GP Executive Director Toto Wolff looks on at ... [+] the Mercedes GP Team Photo during previews ahead of the F1 Grand Prix of Abu Dhabi at ...