S-Class (W220) 1999-2006: S 320 CDI, S 320, S430, S 500, S 600

When I Have The Heater In My Car It Is VERY LOUD...

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Old Mar 5, 2008 | 10:21 AM
  #1  
S500 Man's Avatar
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From: Chicopee Ma
White S63 AMG W/Designo Interior
When I Have The Heater In My Car It Is VERY LOUD...

when i have the heater in my car on it is extremely loud, when i shut it off, it sounds very loud....last year this used to be very quiet,when i shut off the heater the loud fan noise goes off, any ideas as to why my heater fan is so loud?
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Old Mar 5, 2008 | 12:18 PM
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Fan motor going bad or maybe a leaf in the blower fan.
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Old Mar 6, 2008 | 10:20 PM
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From: Chicopee Ma
White S63 AMG W/Designo Interior
gonna have 2 take it in 2 be checked out
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Old Mar 8, 2008 | 04:46 AM
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Anis's Avatar
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i have the same problem, it's inouing... very much... makes my car look bad in front of others

please let me know what you'll find out... good luck
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Old Mar 8, 2008 | 09:44 PM
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From: Chicopee Ma
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yes it is very embarassing.
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Old Mar 9, 2008 | 12:39 PM
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ArMaNi S500's Avatar
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From: Dix Hills, NY
2000 Mercedes S500
i've had the same problem. the heat/ac blower motor had to be replaced. fyi, it's sold as one piece including the motor and the belt. i think i paid about 3-400 on ebay. it basically made my car sound like a siren and drew the wrong type of attention from people.
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Old Mar 9, 2008 | 10:11 PM
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Sounds like u either have leaves or something in the blower motor or the motor itself is going up.
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