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

ac/heater vents

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Old 11-04-2002, 07:38 PM
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2002 Mercedes Benz C230 Kompressor Sports Coupe
ac/heater vents

I just have a quick question people, why is one of the things blue in the middle of the ac vents and the ones on the side red colored..... what does that mean
Old 11-05-2002, 03:55 PM
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2008 C300 Sport
First off - RTFM. Now that we have that out of the way; the red dials turn the vents on and off. the middle blue dial allows cool air to vent if you have the heater on. Keeps your face from getting fried.
Old 11-05-2002, 04:49 PM
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2002 C240 6-spd (ret)
Hmmm. I've got the center blue wheel, but my side ones to control on/off are white, not red. Is this a C230 thing. I've got a 2002 C240.
Old 11-05-2002, 05:57 PM
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Red arrows? I feel left out. The thumbwheels to turn the vents on/off are white in my coupe.
Old 11-05-2002, 06:00 PM
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2003 Citron Green C230KMT
ive learned alot from this board about the car, even though it isnt here yet. i will for sure though search the manual and threads for my answers before i post a question just so i dont get the infamous RTFM responses.
Old 11-06-2002, 09:59 AM
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Originally posted by Lynn
Red arrows? I feel left out. The thumbwheels to turn the vents on/off are white in my coupe.
Mine are white too. I wonder if they made any other color arrows out there. This post may be as much fun as the other post on 2003 model vents.
Old 11-06-2002, 10:48 AM
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Originally posted by Lynn
Red arrows? I feel left out. The thumbwheels to turn the vents on/off are white in my coupe.
They are white on my coupe also. How c230ksc ended up with red is beyond me. Perhaps he has an '03?
Old 11-06-2002, 11:14 AM
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2002 C230 Coupe Black/Charcoal C5 C7 Auto
Citron - don't worry, if ppl. just search through the forum, FAQs, and the manual the forum will be VERY boring

taking my 1.5mnth old Coupe to dealer for some TSB services and a rattle from rear glass. We'll see how my MB dealer treat me. I specifically bought an MB for the service and DANGAMIT i shall get serviced
Old 11-07-2002, 01:59 AM
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E320 CDI Elegance auto
Hi

Does anyone know how to stop the windscreen misting up when in auto mode but also economy mode. I cannot seem to be able to do this without the full air con on, I dont really want to waste fuel having the full system on in the autumn or winter. Or is this yet another fault with the C class.
Old 11-07-2002, 09:54 AM
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C240
I have RTFM and I still can't figure out what the distribution dial does, I know what it should do but it doesn't seem to make a difference. If I shut the blue dial (in a C240) the air that comes out of the vents is still cold. The only place that seems to push out hot air is the floor vents. I have slowly turned the distribution dial around with my hand over the vents but nothing changes! Any ideas?
Old 11-07-2002, 04:52 PM
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2002 C240 6-spd (ret)
Originally posted by deanlnh
I have RTFM and I still can't figure out what the distribution dial does, I know what it should do but it doesn't seem to make a difference. If I shut the blue dial (in a C240) the air that comes out of the vents is still cold. The only place that seems to push out hot air is the floor vents. I have slowly turned the distribution dial around with my hand over the vents but nothing changes! Any ideas?
The air distribution knob won't do anything if the system is still in "auto" mode. You have to press "auto" so the LED shuts off. Then, the air knob will direct air to the various vents as indicated. Same with the fan speed knob. In "auto" all it will do is shut the whole system off if turned to "0".
Old 11-08-2002, 06:25 AM
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C240
MarkL, That's what I thought, but no matter what I do the distribution knob doesn't seem to do anything. I'm bringing my car in next Wed because of the ESP/BAS messages and I'm going to have them check the heat also. I have a feeling something is wrong with it. Thanks
Dean

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