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Old Oct 16, 2015 | 06:31 PM
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From: 2000 ft over the FL coast in a B-17
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Question Seat Ventilation Fans
Does anyone know why the seat ventilation automatically turns itself off when the car is at a stop then turns back on again after moving again?
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Old Oct 16, 2015 | 06:55 PM
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'25 S63 AMG E Performance, '26 CLE 53 AMG
Originally Posted by RJC
Does anyone know why the seat ventilation automatically turns itself off when the car is at a stop then turns back on again after moving again?


Does this happen to your car? S Class? what year?
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Old Oct 16, 2015 | 07:05 PM
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Originally Posted by MTrauman
Does this happen to your car? S Class? what year?
It occurred on both the '15 222V and '16 222C4.
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Old Oct 16, 2015 | 07:31 PM
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'25 S63 AMG E Performance, '26 CLE 53 AMG
Originally Posted by RJC
It occurred on both the '15 222V and '16 222C4.


That's weird. And the blue lights go off as well?
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Old Oct 16, 2015 | 07:44 PM
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Originally Posted by MTrauman
That's weird. And the blue lights go off as well?
Indeed. The blue lights remain on however.
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Old Oct 16, 2015 | 08:35 PM
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'25 S63 AMG E Performance, '26 CLE 53 AMG
Originally Posted by RJC
Indeed. The blue lights remain on however.


Ok. You may be experiencing one of two things: 1) if the battery voltage is to low, the fans will shut off automatically; or 2) if the vehicle is stationary the fan speed reduces automatically but does not shut off--this may give the impression it is being shut off.


Both the above are normal.
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Old Oct 16, 2015 | 08:36 PM
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Haven't seen that. Do you have ECO Start/Stop on?
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Old Oct 16, 2015 | 09:02 PM
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From: 2000 ft over the FL coast in a B-17
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Originally Posted by Wolfman
Haven't seen that. Do you have ECO Start/Stop on?
Doesn't' matter either way.
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Old Oct 16, 2015 | 09:15 PM
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'25 S63 AMG E Performance, '26 CLE 53 AMG
See attachment. As stated before, sounds normal.
Attached Files
File Type: pdf
Seat Vent S Class.pdf (62.5 KB, 282 views)
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Old Oct 16, 2015 | 09:25 PM
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From: 2000 ft over the FL coast in a B-17
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Originally Posted by MTrauman
See attachment. As stated before, sounds normal.
Thanks for providing this. It says when vehicle is stationary fan speed can be automatically reduced which leaves me to believe it can also be left on the higher speed...anyone here know how to do this? For those of us in hot climates we need these things to stay on high speed until the seats cool down whether the vehicle is stopped or not....this is most important for the first 15 mins of vehicle operation when the leather can be quite hot after sitting in the sun. In addition the fans are not even noisy to begin with.
Last edited by RJC; Oct 16, 2015 at 09:28 PM.
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