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#1
07-20-2009, 06:27 PM
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Where is the fresh air door in a w126?
Where is the door that allows fresh air to come into the climate control vent system in a 1984 500SEL? I know that the recirc door is behind the glove box, but I think my fresh air door is broken or something and I want to check it out. If possible, could you explain its location using a diagram or something? Thanks.
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#2
07-20-2009, 07:47 PM
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Quote:
__________________
08 W251 R350 97 W210 E320 91 W124 300E 86 W126 560SEL 85 W126 380SE Silver 85 W126 380SE Cranberry 79 W123 250 78 W123 280E 75 W114 280
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#3
07-21-2009, 08:06 AM
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Yes, fresh air & recric doors are indeed the same thing, above the blower motor behind the glove box.
IF you want to see if they are working?? remove the glove box, start the engine, select "min" & depress the center button. Then press the "ec" button to see if the door opens, if not press the center button again to see if the doors close. If not you have a vacuum problem.
__________________
MERCEDES Benz Master Guild Technician (6 TIMES) ASE Master Technician Mercedes Benz Star Technician (2 times) 44 years foreign automotive repair 27 Years M.B. Shop foreman (dealer) MB technical information Specialist (15 years) 190E 2.3 16V ITS SCCA race car (sold) 1986 190E 2.3 16V 2.5 (sold) Retired Moderator
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#4
07-21-2009, 12:41 PM
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So are you saying that fresh air and recirculated air come in through the same door?? I don't get how that would work. When I depress the recirc button, I see the door open correctly, but I feel like when it is closed there is no fresh air coming in, because the air feels musty. It almost feels like I have to be driving over 30mph for fresh air to come into the cabin. Do you know what could be causing this?
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#5
07-21-2009, 02:23 PM
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The door has 2 positions. In the "up" position it closes off the passageway to fresh (outside) air; that is recirculate mode. In the "down" position you get fresh air.
__________________
08 W251 R350 97 W210 E320 91 W124 300E 86 W126 560SEL 85 W126 380SE Silver 85 W126 380SE Cranberry 79 W123 250 78 W123 280E 75 W114 280
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#6
07-23-2009, 12:05 AM
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So is the hole where the fresh air comes in directly behind the recirculate door? I think it might be clogged or something so I want to check it out.
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#7
07-23-2009, 11:22 AM
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Quote:
__________________
08 W251 R350 97 W210 E320 91 W124 300E 86 W126 560SEL 85 W126 380SE Silver 85 W126 380SE Cranberry 79 W123 250 78 W123 280E 75 W114 280
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