2019 Vito with 2.2CDI engine - induction noise on accelerating - normal?

cleland72

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Aug 17, 2022
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Your Mercedes
2019 Vito 140 2.2CDi
Hello,

Brand new Vito (and Mercedes) owner here - just picked up a 2019 Vito 140 today. Generally all seems fine but driving on the motorway with the windows closed I noticed that when asking for more power (e.g. when cruise control meets a hill) there is quite a noticeable 'air flowing' noise coming from the front of the cab - it's not like a whoosh but more like the sound of the fan heater on full power, i.e. lots of air moving, but it's basically coming when the engine is on boost, as soon as the load has dropped, the sound goes. Is this normal or do I need to start looking for leaks in the induction hoses?

TIA,

Andrew.
 

M80

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Your Mercedes
2014 639 Viano- 651, 5sp Auto. 2009 S211- 646, 5sp Auto.
Sounds like a leak, air route or exhaust.
 

coldair

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Mar 1, 2018
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Your Mercedes
Vito 18 116 Vito 21 116
I had cracked inlet manifold at 150K, no boost
 

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