Whistle sound on light idle e250

D

dieselburner

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Om642
Noticed as of late a slight whooshing sound under very light load coming from the front drivers side with the windows open.

No power loss, oil etc but a definite sound of air coming out and looking online believe that these pipes can be problematic?

Attached a photo as one of the pipes does have a slight weep as you can see?

Just asking before it goes in so am prepared :)

2012e250
 

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Jim2

Jim2

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1st Merc 2010 E Class W212 2.1 CDI. 2nd Merc 2014 E Class W212 220 CDI
Just on startup. I have something similar...faint "whistle". It happen's only intermittently. I have tried to record it, but no luck so far in order to post sit. It does not seem to be coming from any of the engine belts... can only be heard from the inside, and seems to be coming from the dash area ...any one have any idea's?
 
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