article_snippet: Mercedes motorsport boss Mercedes boss Toto Wolff has conceded to being a worried man in the wake of Sebastian Vettel's Malaysian Grand Prix victory.
article_snippet: Mercedes boss Toto Wolff Mercedes boss
article_snippet: Toto Wolff was surprised by Sebastian Vettel's Malaysian Grand Prix victory .
article_snippet: Mercedes boss Toto Wolff admitted that the German driver deserved to win and Ferrari got their tactics spot-on in the soaring heat .
article_snippet: Mercedes boss Toto Wolff at least gave credit where it is due to Ferrari, although has also admitted to surprise at how quickly Mercedes boss Toto Wolff team have been reeled in given his team margin of victory in Australia. '
article_snippet: Ferrari deserved to win,' Mercedes boss Toto Wolff added. '
highlights_snippet: Mercedes boss Toto Wolff was surprised by Sebastian Vettel's victory .
  
highlights_snippet: Mercedes boss Toto Wolff admitted that Ferrari deserved to win the Malaysian Grand Prix .
  