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AC not blowing cold. It's good. 1998 c230. Fixing myself...
fixing myself... took to a mechanic... they said every should be working and said it points to an electrical problem. … read more
Daniel Chaidez
Daniel Chaidez
Technician
Diploma
3,385 satisfied customers
Cannot reset AC code. Added Freon, but ac won't come on.
Cannot reset AC code JA: Have you seen this code before? Have you tried a hard reset? Customer: Added Freon, but ac won't come on JA: What is the model/year of your Mercedes? Customer: 2003 sl500 JA: … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
A C not cooling. 2007 e 350 a w d wagon. Added 1 can of
A C not cooling JA: What is the model/year of your Mercedes? Customer: 2007 e 350 a w d wagon JA: Are you fixing your vehicle yourself? What have you tried so far? Customer: Added 1 can of 134a JA: Ha… read more
Daniel Chaidez
Daniel Chaidez
Technician
Diploma
3,385 satisfied customers
A/C refrigerant got too low. Now, the compressor won't come
A/C refrigerant got too low. Now, the compressor won't come on even long enough for me to refill the refrigerant. … read more
Chris (aka- Moose)
Chris (aka- Moose)
Automotive Technician
Vocational, Technical or Trade School
63,374 satisfied customers
Replaced compressor,expansion valve,dryer, and cleared codes
Replaced compressor,expansion valve,dryer, and cleared codes still hot air from vents … read more
Danny
Danny
Owner, lead mechanic
High School or GED
4,775 satisfied customers
AC does not work. When I turn on the switch on the dash and
AC does not work. When I turn on the switch on the dash and turn on the fan, the compressor does not seem to be running, i.e., the clutch does not engage. We've had the car for 6 years and I don't bel… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
Compressor clutch won't engage, scanner indicate fresh air
Compressor clutch won't engage, scanner indicate fresh air intake won't open … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
I have an RX 350. On a trip the AC quits working. I turn it
I have an RX 350. On a long trip the AC quits working. I turn it off for awhile and turn it back on and it works again. What do I need to have checked?… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
Have account w/ u. I have Mbenz 1989 260E, My friend cannot
My name is***** account w/ u. I have Mbenz 1989 260E, My friend cannot fix the AC since last year. I bought new compressor,dryer etc. have them installed, flushed the ac lines, then put freon. The res… read more
sprinkles08
sprinkles08
Technician
High School or GED
19,847 satisfied customers
C280: Hi I have 1997 Benz c280 ac clutch engaged ok but when
Hi I have 1997 Benz c280 ac clutch engaged ok but when it disengaed when engine is running it won t re engage again… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
S500: I have a S500 2002 purchased 3yrs. ago one owner. Very
I have a S500 2002 purchased 3yrs. ago one owner. Very low mileage. 76K now. It seems that about once a year the electronics shuts down the a/c compressor/climate control. I have taken it to Dr. Benz … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
I have 2001 mb s430 Wdbng70j31a207284 AC turning of and on
I have 2001 mb s430 Wdbng70j31a207284 AC turning of and on every 5 - 10 minutes. Need help to troubleshoot and repair… read more
RIP
RIP
Lead Technician
Vocational, Technical or Trade School
469 satisfied customers
Mercedes-Benz E300 1999 MB E300 Turbodiesel - Tuesday, April
1999 MB E300 Turbodiesel - Tuesday, April 12, 2011 4:25 PM EST Ok i asked an AC question before and got have been driving the vehicle with the AC and it seemed ik for a while until I started long fast… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
AC..cools..it switches to full heating, blowing out really hot air
My AC cools very well but at times (mostly from a gallop), it switches to full heating, blowing out really hot air. What component could be failling. Plse help.… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
A/c quit working - was cold but instantly went hot..electrical
a/c quit working - was cold but instantly went hot. mechanic say electrical problem but he cannot locate it???… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
steady..compressor, IF it disengaged due to low pressure in the system
Having issues with my A/C. I don't hear the compressor engaging also the A/C switch blinks 5 time then returns to steady red (OFF). Bought some R134a to see if by adding half a can it will engage the … read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
Hi, I have a 91 Mercedes Benz 300E and I am having a problem
Hi, I have a 91 Mercedes Benz 300E and I am having a problem with the heating system. The heat never goes off. I push the off button and the heat continues to blow. I can not even turn the air conditi… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
Mercedes 300E: ac..climate control unit inside the dashboard..blower
Hi i have a Mercedes 300E the ac not working; I've changed the relay behind the battery and the climate control unit inside the dashboard no change so I added 12volts to the red wire on the blower and… read more
joesshop
joesshop
Vocational, Technical or Trade Scho
204 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

57,141 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

771 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.

Tim Mohr

Tim Mohr

ASE MASTER TECH

283 satisfied customers

30 YRS EXPERIENCE, FOREIGN AND DOMESTIC, GAS AND DEISEL

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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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