Although Toto Wolff says Mercedes' rules of engagement need to be revised after last year's Abu Dhabi GP, he concedes there is likely to be a 'completely different' dynamic at the team this season. Although Mercedes issued rules of engagement to their drivers last season, it counted for very little when, at the final race of the season, Lewis Hamilton disobeyed team orders to up the pace preventing others from challenging his then team-mate Nico Rosberg. It was a fractious end to the championship, and ultimately to their relationship as Rosberg quit the sport days later with the Drivers' Championship trophy in his hands. This season Hamilton will be teaming up with Valtteri Bottas, leaving...
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