C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Constant cold air in footwell when AC is on??

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Old 07-26-2011, 03:38 PM
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2003 C240 wagon
Constant cold air in footwell when AC is on??

I just purchased a 2003 C240. Apparently, no matter what setting, so long the AC is on, cold air comes out of the footwell. After 30 minutes or so, my toes are cold and uncomfortable. Same for auto on or off.

Is this normal? Thanks for helping. If this is not normal, would it be costly to repair?
Old 07-26-2011, 08:06 PM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Not normal. Presuming the controller is not set to blow on your feet.

First try doing a system/flap reset.

https://mbworld.org/forums/c-class-w...tic+easter+egg

If this does not work it is likely a failed stepper motor or stepper motor arm. Spares are cheap but quite a bit of dash stripping is required. You are lucky you have a 240 - less stepper motors than a 320.







Your car is probably pre redesigned arms. Do you sometimes hear ticking noises?
Attached Thumbnails Constant cold air in footwell when AC is on??-c240-stepper-motors-1.jpg  
Old 07-26-2011, 11:08 PM
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2003 C240 wagon
Not sure if I have Climatronic, I don't have the digital dials. This is what I have:

Constant cold air in footwell when AC is on??-dsc02109.jpg

Last edited by toffee; 07-26-2011 at 11:50 PM.
Old 07-27-2011, 09:18 AM
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late 2009 CLK 350 Coupe Elegance, '65 Jaguar S Type wires
Same reset procedure applies.

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