E-Class (W211) 2003-2009

Fan-speed on A/C

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Old Apr 20, 2003 | 07:38 AM
  #1  
craigng's Avatar
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Fan-speed on A/C

Hey all

I notice that in full-auto mode, my fan speed never falls below four 'bars', which appears to be excessively fast to me - even when the set temperature seems to have been reached.

Is this normal, or is it a malfunction?

Craig

Last edited by craigng; Apr 20, 2003 at 07:56 AM.
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Old Apr 20, 2003 | 08:23 AM
  #2  
muhri's Avatar
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'18 AMG GTR '16 BMW M3 - '05 Porsche Carrera S
Re: Fan-speed on A/C

Originally posted by craigng
Hey all

I notice that in full-auto mode, my fan speed never falls below four 'bars', which appears to be excessively fast to me - even when the set temperature seems to have been reached.

Is this normal, or is it a malfunction?

Craig
Mine too, never fell below 4 bars. I think its normal
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Old Apr 22, 2003 | 08:38 AM
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thomas-re's Avatar
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E500, White, Pacfic Blue Int. Sport
I also have a problem trying to adjust the fan down when car is first started. Its like it won't respond for a few miniutes.
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Old Apr 24, 2003 | 04:56 PM
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2003 E500
fan speed

I occasionally see 3 bars - at night. Otherwise 4 bars mostly and I agree, it is more air than I like. I wonder if the solar sensors somehow over-ride the temp sensors?? RM
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Old Apr 25, 2003 | 10:14 AM
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Otto's Avatar
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W211 & Q7
my car, too

I think because 4 zone sensors, fan has to keep at least 4 bars in order to send the cool/warm air for the rear seat passengers. I don't mind it shows 4 bars or more but I do mind the fan is not quiet as it should be. (another mb electric product is lousier than its competitors.)
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