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My heaters are not blowing high heat but warm, my coolant
My heaters are not blowing high heat but warm, my coolant radiator fan doesn't come on and only turns on full power after I remove the cables from my a/c heater control unit … read more
Pete
Pete
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General auto certifications
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I have a 2010 mercedes e-350 I replaced my ac blower motor
I have a 2010 mercedes e-350 I replaced my ac blower motor regulator thats under the glove box its got all those metal rods in it and it just unplug I and turn came right out popped new on in and conn… read more
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I have a 2004 Mercedes E500 and am having a problem with the
I have a 2004 Mercedes E500 and am having a problem with the rear console air conditioning. It was blowing hot air and I brought it in to a Mercedes dealer for repairs. They replaced the heater shutof… read more
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The air control panel does not illuminate ..no air
the air control panel does not illuminate ..no air fan,,,,,,, the engine fan seems excessive after shut off … read more
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1998 C230 - Have replaced auxiliary fan controller a couple
1998 C230 - Have replaced auxiliary fan controller a couple times but fan will not come on with AC. All AC system checks out ok, fan works when bypassing the controller, but looks like I and only gett… read more
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AC working erratically will stop suddenly. blow warm air or
AC working erratically will stop suddenly. blow warm air or blow from vents that i have not engaged, … read more
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I have a 2009 c300. I have no power to my climate control
I have a 2009 c300. I have no power to my climate control module and my engine fan runs loud while my car is running. There are no check engine lights. … read more
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When I switch on my climate control AC fan to high level, a
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The climate system on my Benz is so schizoid. Has been an on
The climate system on my Benz is so schizoid. Has been an on and off problem forever. I replaced the blower fan which stopped the fuses from blowing, but it's still neurotic. Here is an example: Last … read more
Pete
Pete
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General auto certifications
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I have a 2008 Mercedes Benz R320, my wife noticed there was
I have a 2008 Mercedes Benz R320, my wife noticed there was no heat coming on driver side during auto climate. I tried on manual with fan on high and full heat, passenger side worked great, driver sid… read more
Pete
Pete
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300SE: I have a 1991 Mercedes 300SE (W126 body style). I started
I have a 1991 Mercedes 300SE (W126 body style). I started having problems with the heating last winter. It would intermittently switch off and start blowing cold air. I thought it was the Mono-Valve. … read more
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1991 300se: leaking..for inspection..assembly..cars
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Marty
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Mercedes-Benz Viano I have a 2008 Viano with the 3ltr V6 diesel
I have a 2008 Viano with the 3ltr V6 diesel engine. It also has the optional diesel fired auxiliary heater. Should the cabin fan start up when the heater is started without the engine running, and how… read more
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Fan works when given power. Replaced temp sensor, still not working.
1986 560SL Aux fan does not turn on automatically. Fan works when given power. Replaced temp sensor, still not working.… read more
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1991 350sd: there is HOT air coming out of somewhere..stick and mine
Hi, I have a 1991 350sd--the a/c works just fine but suddenly, there is HOT air coming out of somewhere in the driver foot area! Someone said there are louvers that stick and mine is open--any ideas o… read more
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1992 300E: with a 3.0...problems with it starting in the mornings.
I just recently purchased a 1992 300E with a 3.0. I have problems with it starting in the mornings. It started after 18 tries yesterday morning. After she gets going, she's OK for the rest of the day.… read more
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1993 300se: heater blows cold air from the middle vents and warm
sometimes the heater blows cold air from the middle vents and warm from the outer vents on my 1993 300se… read more
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C240: Sport auto 2001(Y) 84000miles...electrical..two faults
C240 Sport auto 2001(Y) 84000miles. Having an electrical brainstorm and I can't work out if the two faults are connected in some subtle way. Problem 1. The heater fan became intermittent a week ago an… read more
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nelson garcia
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Meet the Experts:

MB Paul

MB Paul

Mercedes Technician

3,567 satisfied customers

Qualified Mercedes Benz Diagnostic Technician - 20+ years experience - Workshop Foreman for Mercedes

Marty

Marty

Mercedes Technician

57,141 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

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Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

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Mechanical Engineer with 23 years experience in the auto industry, 8 yrs in formula 1 engine testing

promerc

promerc

mercedes diagnostic technician

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Qualified mercedes diagnostic technician & service team manager , ATA registered Master tech

Hipo64

Hipo64

Mercedes Technician

444 satisfied customers

Work and diagnose electronics on daily basis.

Chris(aka-Moose)

Chris(aka-Moose)

Mercedes Technician

288 satisfied customers

24 years of experience diagnosing & repairing

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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