Wind Noise of A/C System
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Member
Joined: Mar 2018
Posts: 102
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From: NJ
2019 S450, 2020GLC300
Wind Noise of A/C System
I have a 2018 S450. The noise level of the air blowing from the vents is louder than I would have expected -- especially from the center dash vent (the one just below the Nav screen). When the fan is on Level 1, it's OK. Level 2 is audible. Level 3+ is kinda noisy. Is this normal?
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Joined: May 2015
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From: Miami, FL
2003 CL 600
They are noisy on full speed, I don't know about 3+, that seems low. Are the vents fully open? I have had cases where a customer complains of a whistle from the a/c vents, and it's just the noise from the vents being partially closed at high fan speeds. Worth checking before your dealer visit that all of them are open fully.
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Joined: Oct 2010
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From: Corona Del Mar, CA
2019 SL450, 2019 E450 Luxury Trim Wagon, 2024 BMW I7 xDrive60
Yeah, this has been an issue with MB models for many years. I had to get used to it when I switched from Lexus, were it was not a problem.
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Joined: Mar 2010
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From: London UK
2013 W204 C63 AMG, 2008 W221 S65 AMG
Did you get any further with this.
I'm in the first summer with my 217. The fans are always audible, and loud!
I haven't driven enough w222s to know if it's "normal" but I cant imagine the center vents are twice as loud on my c217 as they are on my W205 c class!
If you close the center vents it's quieter but still quite audible.
I'm in the first summer with my 217. The fans are always audible, and loud!
I haven't driven enough w222s to know if it's "normal" but I cant imagine the center vents are twice as loud on my c217 as they are on my W205 c class!
If you close the center vents it's quieter but still quite audible.
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Joined: Feb 2012
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From: Phoenix
222 S-65
Ask it for airflow from vents and floor.
Even on high speed I don’t find noise from airflow to be annoying. Sure is less a racket than common ‘economy cars.’
Even Lexus is noisy compared with the Rolls I had years ago. It would move a lot of air through the round vents too.
Even on high speed I don’t find noise from airflow to be annoying. Sure is less a racket than common ‘economy cars.’
Even Lexus is noisy compared with the Rolls I had years ago. It would move a lot of air through the round vents too.
Super Member
Joined: Mar 2010
Posts: 643
Likes: 72
From: London UK
2013 W204 C63 AMG, 2008 W221 S65 AMG
Ask it for airflow from vents and floor.
Even on high speed I don’t find noise from airflow to be annoying. Sure is less a racket than common ‘economy cars.’
Even Lexus is noisy compared with the Rolls I had years ago. It would move a lot of air through the round vents too.
Even on high speed I don’t find noise from airflow to be annoying. Sure is less a racket than common ‘economy cars.’
Even Lexus is noisy compared with the Rolls I had years ago. It would move a lot of air through the round vents too.
In any case, I did wonder if there was a miscalibration of the flap doors or something, I may do some testing.
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Joined: Nov 2024
Posts: 139
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From: Buffalo NY
GLS450 S550
Do a calibration yes. I've seen that in Xentry.
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Super Member
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From: USA
Some noise is normal, but excessive airflow noise especially from the center vent could mean a few things: a cabin air filter needing replacement, debris in the ducts, or a blend door issue. Check the filter first; if that’s clean, a dealer or shop can inspect the system for obstructions or faults. S-Class should be pretty quiet, so if it’s really loud, something might be off.
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Joined: Feb 2012
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From: Phoenix
222 S-65
I let the HVAC system do it's magic on 'Auto.' It sure does get to work at it when we see 115-120 here in the desert.
Member
Joined: Nov 2019
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From: Colorado
2015 S550 4Matic, 2014 ML550
Some noise is normal, but excessive airflow noise especially from the center vent could mean a few things: a cabin air filter needing replacement, debris in the ducts, or a blend door issue. Check the filter first; if that’s clean, a dealer or shop can inspect the system for obstructions or faults. S-Class should be pretty quiet, so if it’s really loud, something might be off.
