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I have a 2013 Mercedes c250 have checked all the fuses have
I have a 2013 Mercedes c250 have checked all the fuses have replaced the blower motor and resistor out with original parts from Mercedes when you put direct power to the blower motor it works but on i… read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,267 satisfied customers
Blower motor will not run bench test motor run fine replaced
blower motor will not run bench test motor run fine replaced resistor nothing has 12v at plug for resistor at all times … read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,267 satisfied customers
2012 sprinter van 2500 front heater fan does not blow.
2012 sprinter van 2500 front heater fan does not blow. replaced resistor and checked fan motor with 12 volts. I cannot find any info regarding what fuses to check … read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,267 satisfied customers
I have a 1984 Mercedes 380 sl. the blower motor wont run. I
i have a 1984 Mercedes 380 sl. the blower motor wont run. I can run 12 volts direct to the motor and it works fine. with the key on and defrost on I have power to all the resistor pins except the brow… read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,267 satisfied customers
AC Blower doesn't blow any air. I replaced the blower and
AC Blower doesn't blow any air. I replaced the blower and the blower regulator and still doesn't work. I have power to the regulator but no power out. It's a 2011 Mercedes c300.… read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,267 satisfied customers
2004 ML500- Twice this past winter (on extremely cold days)
2004 ML500- Twice this past winter (on extremely cold days) the heater/AC blower motor cut off randomly. I tested the fan directly and it worked fine so I ordered a new resistor/regulator to put in it… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have a 2002 Mercedes-Benz ML55. I have no blower motor
I have a 2002 Mercedes-Benz ML55. I have no blower motor function. I have changed out the blower and the regulator to no avail. The motor works when hooked directly to 12V source. I have a 4 wire conn… read more
lightsout22
lightsout22
160 satisfied customers
300sd: hey marty, i just did a replaced my R4 compressor, and
hey marty, i just did a replaced my R4 compressor, and i was having an issue with the clutch engaging. found out it was my ETR that was bad. in the process i replaced my blower motor because i was hav… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
E-350 4matic sedan: mercedes 06 E-350 4matic sedan blower
mercedes '06 E-350 4matic sedan blower not working w/ no ac trouble codes and ac controls showing that every thing is working also in the contros the recicle push buttomn red light blinks most of the … read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
300sd: My w126 83 300sd appears to have a burned #6 pin on
My w126 '83 300sd appears to have a burned #6 pin on the geblaseregler. I have no fan or compressor coming on. Some heat creeps out of the defrost when I have the heat/defrost button pressed, otherwis… read more
Auto Psychic
Auto Psychic
owner
Bachelor's Degree
76 satisfied customers
mercedes 300sd: 1984 model has no blower..voltage..recall..rebuilt ccu
my mercedes 300sd 1984 model has no blower,i have bench tested it it works fine no voltage coming to the plug under the dash,the fusebox has inline fuseholders to the ccu as i understand this was part… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
300SD: Ive replaced the fuses in position 9 and 10..12 volts..voltage
eurotec, This is coldbeemer, the blower will not work in my 1983 MB 300SD still. I've replaced the fuses in position 9 and 10 and measured the potential there it is 12 volts as it should be. I accesse… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1983 300SD: electrical system..two problems..sprayed..fuse box
The question I have has to do with electrical system. The 1983 300SD has two problems 1.) the drivers side window will not work. I have removed the switch sprayed it with WD40, and of course I have ch… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
1983 300SD: the climate control unit, you..vents..jumped..blower
1983 300SD, when you select a button in the climate control unit, you can hear something sort of a "hum" behind the unit, but no air blows from the vents. I jumped the blower to make sure the motor an… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
heater..very short time It blew an 8 amp fuse..passanger compartment
I have a 1983 300SD. The heater system will not work continuously. After a very short time It blew an 8 amp fuse so I tried a bigger one a 16 amp, the passanger compartment smelled like electrical bur… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I dont think my heater fan is working. how do i get to it. to check.
i don't think my heater fan is working. how do i get to it. to check. my car is a 1999 clk 200… read more
promerc
promerc
mercedes diagnostic technician
Vocational, Technical or Trade Scho
553 satisfied customers
I installed a rebuilt heater fan control ( as you suggested )
RIP--- It'sCustomer I installed a rebuilt heater fan control ( as you suggested ) at a cost of $150.00 and the fan still dosen't work!!!!!!!!!!!!!!! What is the problem with my blower ?… read more
RIP
RIP
Lead Technician
Vocational, Technical or Trade School
469 satisfied customers
82 Mercedes 300SD: Ok guys I..blower motor resistor..didnt solve
Ok guys I'm back.Still working on the 82 Mercedes 300SD heater.You told me where the blower motor resistor was but that didn't solve anything for me.The wire at the motor is a heavy guage and at the r… read more
RIP
RIP
Lead Technician
Vocational, Technical or Trade School
469 satisfied customers
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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

30,558 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,132 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

807 satisfied customers

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

promerc

promerc

mercedes diagnostic technician

553 satisfied customers

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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