Mercedes have made a big step forward since the summer break. Red Bull Racing was convinced that the sudden progress of their rivals had to do with the engine. According to the team's measurements, Mercedes' cars have realized more power, especially when accelerating. On the straights in Turkey the German team was even faster without DRS than Red Bull with DRS, Auto, Motor und Sport reports. Team boss Christian Horner cannot explain the increase in performance other than that Mercedes somehow found more power. Read more Red Bull warms up for the American GP with demo in Dallas 'Petronas to end partnership with Mercedes, new sponsor already lined up' Red Bull investigates suspicions about...
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