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Heater and AC went Out??? Help! > Heater and AC went Out??? Help!
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Heater and AC went Out??? Help!

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Old 01-05-2005, 09:21 PM
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Heater and AC went Out??? Help!

Hey guys I have a "cold" problem..heh.
My Heater was working fine all day long.and tonight when my wife and I left from the Lot,My Heater wouldnt come out formt he vents you can a sound that mimics and shudder sound from opening and closing,and with you press the "O" and then press "AUTO" you can hear the AC Compressor Click on and off,checked fuse # 18,20,21 and there all fine.COuld there be a main relay fuse that went out?? blower fans quit,nothing comming out of the AV/Heating system..ONLY when defrost is on the 2 side vents drivers vent closest to door and pass closest to door very min amount of warm air,im thinking that the engines heat coming thru??? what do you guys think??? im gettgin it checked out ASAP but till then I will drive my Rivy.
any thoughts????
benzkid
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Old 01-05-2005, 10:10 PM
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Its a blower regulator, a common problem. It sits on the actual blower motor thas located under the cowl (the black panel right next to the windshield) and under the air filter.
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Old 01-05-2005, 10:59 PM
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How much does the Blower Regulator cost??? And could I fix it myself?
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Old 01-05-2005, 11:24 PM
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Old 01-06-2005, 10:34 AM
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cool,thanks man...i got some time before it ends,gonna see if i can locate one her localy so i can get heat asap..its cccoooolllldddddddd!!!
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Old 01-06-2005, 02:43 PM
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Well I ordered the part with been in about 4:30 this afternoon,will install it myself tomorrow.I hope this is was fixes the problem.
Researched it and found out that what happend to my Mercedes also happend to other peoples Mercedes.So i hope the problem will be solved as its REALLLLLLLLY Cold today! thanks Athur for your help!!!
benzkid
ps i will report what happens tomorrow...tomorrow!
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Old 01-06-2005, 05:00 PM
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Hey does this fix apply to the w220.....

My 01' S500 just did the same thing no AC/HEAT happened last night, and if I take it to the dealer it's going to take at least a week their totally swamped!
I did a search on that Ebay link -Blower motor regulator and all they came up with was 99' and older models.
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Old 01-06-2005, 05:13 PM
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I just called Buymbparts.com

They say the've got it! (Blower Motor Regulator) for my 01'w220 @$275.00 I just hope one of you guys can tell me if our cars, your w140 & my w220 are similar enough in this (Heat/AC) aspect, to be a fix for me as well?? any help would be greatly appreciated thanks......
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Old 01-06-2005, 06:22 PM
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Originally Posted by thericker55
They say the've got it! (Blower Motor Regulator) for my 01'w220 @$275.00 I just hope one of you guys can tell me if our cars, your w140 & my w220 are similar enough in this (Heat/AC) aspect, to be a fix for me as well?? any help would be greatly appreciated thanks......
as a Car dealer in Texas thats the same price from my w140.
and my uncle who own one like yours just had his fixed(tranny regulator went out)there all ran the same way with regulators and relays.im not 100% sure that the problem on my mercedes,but with reading the web and doing my own research i have pin pointed that as the source of the problem.i will le toyu know tomorrow when i install the part on myself.im pretty sure your ac blower is ran the same way as my w140 with a regulator mounted on the blower. benzkid
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Old 01-06-2005, 06:32 PM
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Thanks man...

I hope it works for you, and hopefully mine as well I'm sure the dealer would really up the $$ considering my dealer charges $120per hour labor not including their price mark-up on the parts....Good Luck
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Old 01-07-2005, 03:22 PM
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UPDATE on HEATER!!!

Hey guys,My part came in and was installed my be and works perfectly!!!and better then ever before do to the huge copper mounting bracket they coome with instead of the flabby metal one from the old one..VERY EASY JOB!!! Thank again Authr for the help and to 01 s500 owner if its in the same place as mine..its a 15-20min job!!
benzkid
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Old 01-07-2005, 04:11 PM
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Excellent....well I will have to check if my part is in

The same location as yours when it quits raining, been dumping here for the last couple of weeks on and off.
Can you post a pic' of your part or, what was the part# ? I'm very skeptical it couldn't be the exact same part maybe just a little different but same location for install....Thanks again I'm glad it worked out for you it must feel pretty good doing that yourself and saving $, + the hassle of going to the dealer...
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Old 01-07-2005, 04:22 PM
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Home | View Cart | Accessories | OEM Parts | Customer Service


Mercedes Benz Parts > 1994 > S 500 > Mercedes Benz Blower Regulator

A/C - Heater
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Blower Regulator Heater : A/C
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Old 01-09-2005, 06:10 PM
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BenzKid,

Good to know the problem is fixed.
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Old 01-09-2005, 11:23 PM
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Originally Posted by Arthur2k
BenzKid,

Good to know the problem is fixed.

Arthur2k,
Thank you so much for helping me,If you hadnt told me what it was I was going to take it to Parkplace Mercedes in Dallas...Thanks again man.This just proves my reason why to buy/own a Mercedes.WE HELP ONE ANOTHER OUT!...Like family!
thanks again man!
Benzkid
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Old 01-18-2005, 08:21 PM
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05 SLK 350, 97 S420, 92 Jeep, 04 Kia, 28 Ford Tudor, 51 Ford F3, 01 Harley, 03 Harley
My s420 may have similar problems. It does blow some but very little. Do you think the regulator could be the problem?
I hate to take it in and after many hours of searching (at my expense) they find this and charge double...

Appreciate your help/ideas.
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Old 01-18-2005, 10:25 PM
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Originally Posted by RoadkingHI
My s420 may have similar problems. It does blow some but very little. Do you think the regulator could be the problem?
I hate to take it in and after many hours of searching (at my expense) they find this and charge double...

Appreciate your help/ideas.

I had thought my heater was working fine,till the new regulator was put in and then WOW much stronger...I would think thats the prob too,but im not 100%..but it wouldnt hurt getting a new regulator anyhow.
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Old 01-19-2005, 01:20 PM
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Originally Posted by BenzKid24
I had thought my heater was working fine,till the new regulator was put in and then WOW much stronger...I would think thats the prob too,but im not 100%..but it wouldnt hurt getting a new regulator anyhow.
Sounds like a good idea.
I don't need the heater much here but need that blower for the A/C !
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Old 01-19-2005, 02:31 PM
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Talking

Originally Posted by RoadkingHI
Sounds like a good idea.
I don't need the heater much here but need that blower for the A/C !
Yeah Hawaii isnt much of a "cold state"..lol what your low today man?? 72?
The part is less then $200 everywhere on the Net just poke around and see if you find a deal.again what i was told is there a common problem so go ahead and fix it if you got the extra cash...besides everyone knows us Benz owners are str8t up ballas!
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Old 01-19-2005, 03:57 PM
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Originally Posted by BenzKid24
Yeah Hawaii isnt much of a "cold state"..lol what your low today man?? 72?
The part is less then $200 everywhere on the Net just poke around and see if you find a deal.again what i was told is there a common problem so go ahead and fix it if you got the extra cash...besides everyone knows us Benz owners are str8t up ballas!
Got down to the mid 60's last night... might need that heater.
I got in touch with FCP (previous post) and ordered the part. If I get it locally it is $385 vice the $195... good deal.
Thanks all for the tips!
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Old 01-19-2005, 10:15 PM
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no prob brother,
hope it works out for you...aloha(sp)!
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Old 01-26-2005, 12:43 PM
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Originally Posted by BenzKid24
no prob brother,
hope it works out for you...aloha(sp)!
Got the part, almost half the price thru FCP, and took no time to install. Now works good and nice and cool!
Thanks to all for the good info.
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Old 01-26-2005, 02:01 PM
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Sweet!!! not a problem brother,thats what this forum is here for,to help fellow Benz Brothers!
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Old 08-04-2009, 02:50 PM
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Wait i still don't seem to understand really...
There are two kinds of regulators on ebay,
one is "Blower Regulator" and the other one is "blower motor regulator"...
Which one is the one I need, they look different!
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Old 08-24-2009, 12:40 PM
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This is a blower regulator\
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