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A/C not working - blowing hot air. Vents have warm air
Vents have warm air coming from them - put dye in Low side A/C today … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,769 satisfied customers
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
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Replaced a/c compressor, dryer and full freon and still
replaced a/c compressor , dryer and full freon and still blowing warm. … read more
Eric
Eric
Retired
N/A
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Trying to figure out how to reset ac compressor on a 2015
Trying to figure out how to reset ac compressor on a 2015 GL550 … read more
Eric
Eric
Retired
N/A
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2011 c300 sports 4matic stopped blowing cold air? All are
I have taken to shop to put on machine the compressor is spinning but not turning on. the Freon is good, has dye in it so no leaks … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
2004 E 320 WAGON AC ISSUE. Dealer checked and added Freon. I
dealer checked and added Freon. I had tepid air out of driver side and cool air out of passenger zone but after they worked on it I have no cool air. They want to put in a new compressor at $1000. … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,769 satisfied customers
My 2009 gl550 100,000 miles ac has been working great with
My 2009 gl550 100,000 miles ac has been working great with no problems ever then one day I sprayed the engine in the right side near the a.c. lines to clean some crud off the engine. The next morning … read more
Lou Palomino
Lou Palomino
Mercedes Technician
associates in automotive technology
10,537 satisfied customers
I have a 2003 c240 Mercedes 4 matic and the air conditioner
I have a 2003 c240 Mercedes 4 matic and the air conditioner blows hot air. I put some Freon it and it still blows hot air … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
I have a 2000 CLK320, A/C compressor turns on, but no cold
Hi I have a 2000 CLK320, A/C compressor turns on, but no cold air coming out, only outside air, please help. Joe … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,769 satisfied customers
Air conditioning is not blowing cold air, no and i dont
air conditioning is not blowing cold air JA: Do the vents feel cold? Is there a coolant leak? Customer: no and i dont know JA: What is the model/year of your Mercedes? Customer: 1981 240D JA: Are you … read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
Both Dual A/C fans do not come on and my a/c is blowing hot
Both Dual A/C fans do not come on and my a/c is blowing hot air. I work at Good Year. Check freon level, its fine. Replaced f44 fuse ac fane fuse. Started blowing cold then shut car off turned it back… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,558 satisfied customers
How often should the freon conidtion/status be checked in my
How often should the freon conidtion/status be checked in my Benz which has the dual automatic control HVAC with controller module in the dash? Note the in-dash module has been repaired/referburished … read more
Ron
Ron
Automotive Tech
Vocational, Technical or Trade Scho
41,499 satisfied customers
1994 Mercedes E320 Cabriolet. on the way into work, the air
1994 Mercedes E320 Cabriolet. on the way into work, the air conditioning was really cold. On the way home, I can't get any cold air of the system no matter what I try. The air conditioner compressor c… read more
Lou Palomino
Lou Palomino
Mercedes Technician
associates in automotive technology
10,537 satisfied customers
2000 clk320: airconditioning will work fine..may start..turn car
2000 clk 320 Airconditioning will work fine then go warm. "Compreesor is not turning when warm." In driving for a while it may start working again otherwise turn car off and leave a little while it wi… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
How do I access the evaporator temp sensor on a 1998 ML320
How do I access the evaporator temp sensor on a 1998 ML320? I looked under the dash near the gas pedal on the side of the evap box as instructed but don't see it.… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,769 satisfied customers
sprinter 2500: freightliner..2.7l..diesel..blows maybe 8 to 10 degrees
I have a 2003 freightliner sprinter 2500 cargo van with the 2.7l inline 5cyl mercedes diesel. Great truck ! The A/C has been really pitiful. Not even close to cold, blows maybe 8 to 10 degrees below o… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,769 satisfied customers
my ac..BLOWING COLD AIR..VENT AREA, I WONDER IF its freon PROBLEM
MY AC STOP BLOWING COLD AIR AFTER RUNNING FOR A WHILE, SOME WHITE RESIDUE APPEARS ON THE VENT AREA, I WONDER IF ITS FREON PROBLEM, OR A SINSOR. PLEASE ADVISE. THANKS… read more
tech4benz
tech4benz
Master Certified Mercedes Technician
Associate Degree
196 satisfied customers
air stops blowing cool air and the blower continues to send warm air
If I turn the air on on the 1st startup of the day the air cools adequetly. Later on The air stops blowing cool air and the blower continues to send warm air… read more
garyb
garyb
Vocational, Technical or Trade Scho
158 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

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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