Mercedes dont have problems with the engines, they just change them for performance boost, no suprise there:
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‘No technical reason’ to take Hamilton engine penalty
Andrew Shovlin has revealed that reliability was not a factor in Mercedes choosing to take a new engine for Lewis Hamilton in Brazil at the weekend.
The Mercedes director of trackside engineering spoke of the reasons why they opted to install a new Internal Combustion Engine within Hamilton’s power unit at Interlagos, which triggered a five-place grid penalty.
He owed that to the opportunity sprint qualifying would offer to mitigate any losses had Hamilton qualified down the order.
However, taking a new ICE would also offer the Mercedes driver the benefit of having a fresher engine, with more horsepower, underneath him for the remaining races, which Shovlin and the team’s staff opted to do, and said that reliability issues other teams have been worrying about were not present in their minds.
“There wasn’t a technical reason to change, as in we didn’t think we were at risk of failing, and I don’t think we are at risk of failing [in future],” Shovlin told the F1 Nation podcast.
"Lewis the car is bad, we know, please drive it!" - Toto Wolff after 52 laps of constant Hamilton whining on the radio! (Austria GP, 2023)
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