Toto Wolff said Mercedes has concerns over “unusual noises” in their engine.

Why it matters: Lewis Hamilton received a 10-place grid penalty for the Turkish Grand Prix after being fitted with a new internal combustion engine.

Details:

  • When asked about the matter, Wolff said the issues come because of “boundaries” being pushed.

What he said:

  • “It’s tricky, when you start to push the boundaries with power unit performance at a certain stage you will experience some obstacles.”
  • “Our power units have been the most reliable since the introduction of the hybrid engines in 2014.”
  • “Because these boundaries are being pushed, we have seen examples of unusual noises within the combustion engine that aren’t completely understood at that stage yet, and therefore caused some trouble in the past.”
  • “We had engines that basically failed. Now it’s about containing the problem. Because in that phase, redesigning parts is not something you would tackle.”

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