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Noise Under Hood After Shut Off

16K views 1 reply 2 participants last post by  turbolink  
#1 ·
After shutting off the car, sometimes not always, I hear a motor whirring noise kind of like a fan underneath the hood. It stays on for quite some time.


I called Benz and the SA told me that that is a thermal controlled fan that kicks in to cool down the engine when the car is shut off. He said it shouldn't stay on for more than 10 minutes.


Last I recall, I heard this noise hours after my car was shut off and I don't remember how long it stays on for.


Anyone with similar experience?