Whining sound from engine - MBWorld.org Forums

11-03-2017, 01:20 PM

Zmanmulla

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C450 AMG

Whining sound from engine

Hi everyone,

i noticed today when at a complete stop, and then fully accelerating. The engine it is making a whining sound. The car functions properly, but the sound is weired. Is this normal?

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11-03-2017, 08:10 PM

likerage

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C450

Like the sound of a turbo spinning up?

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11-03-2017, 08:33 PM

cenzo86

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2016 c450 / 2016 VW Jetta 1.8t / 2006 Wrangler X

Are you noticing this noise shortly after startup? If so, you might be pushing too hard before the oil is warm enough. Engine too cold, oil not viscous enough, and the Pistons start to complain.

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11-03-2017, 09:03 PM

Zmanmulla

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C450 AMG

Quote:

Originally Posted by cenzo86

Are you noticing this noise shortly after startup? If so, you might be pushing too hard before the oil is warm enough. Engine too cold, oil not viscous enough, and the Pistons start to complain.

Yes, shortly after startup! That would explain i thank you because I tried to reproduce it again after the car was warmer and couldn't.

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