Strange noise + Video!
06-09-2018, 06:31 PM
#1
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2012 Mercedes C63 AMG Coupè W204
Strange noise + Video!
When I startup my car I hear a strange whistling noise coming from the bottom of the engine. As soon as the car gets hot, it disappears!
Video:
Does anyone know what it could be?
Thanks!
Video:
Does anyone know what it could be?
Thanks!
06-10-2018, 04:54 PM
#3
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2012 P31 C63 Coupe Trackrat, 2019 GLE63S Coupe Beast
Mine makes that noise also. Maybe not as loud. Don’t think it’s anything to worry about.
10-05-2021, 09:18 PM
#7
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1982 300D (W123) & 2013 C63 P31
Same noise & circumstances
Similar noise coming from mine after startup; goes away when at operating temperature. Took it to dealer and it was identified as the oil pump. Aftermarket warranty to cover replacement.
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10-07-2021, 11:26 PM
#8
Can also be a small leak in the secondary air lines which are used in start up. I fixed mine with krazy glue and it never came back.
