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Replaced compressor,expansion valve,dryer, and cleared codes
Replaced compressor,expansion valve,dryer, and cleared codes still hot air from vents … read more
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Danny
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2003 ml320 ac clutch engaged but blows hot air. Checked
2003 ml320 ac clutch engaged but blows hot air. Checked blend dorr and working fine. No hoses under hood are cold… read more
eric remington
eric remington
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associates degree
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I have an AC problem. I am trying to find the relay that
I have an AC problem. I am trying to find the relay that works the AC compressor … read more
Lou P. master tech
Lou P. master tech
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Bachelor's Degree
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Ac clutch constantly engaged. Now blowing cool but not cold
Ac clutch constantly engaged. Now blowing cool but not cold air. Pressure on the high side is low. System holds pressure. around 90 psi with system off or at rest. Low side pressure is 30-35, hi press… read more
Marty
Marty
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2005, ML350 with 202,000 ,miles in great shape but the ac
2005, ML350 with 202,000 ,miles in great shape but the ac will get cool & one of the hoses gets fairly cold to the touch & the other gets too warm to hold at the firewall. I hooked up the gauges, OAT … read more
Tim Mohr
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2004 Mercedes S430 W220 A/C not working I tried to recharge
2004 Mercedes S430 W220A/C not working I tried to recharge the system. The system was evac and only will hold 4 Bar of freon. Scanned and it is saying low freon (which we already know that), but syste… read more
Lou P. master tech
Lou P. master tech
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I have a 2003 mercedes, i changed the compressor, can't get
i have a 2003 mercedes, i changed the compressor, can't get the compressor to come on after adding freon… read more
Lou P. master tech
Lou P. master tech
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Attention Lou P. A/c blows cold then goes hot. New LF, trial
Attention Lou P. A/c blows cold then goes hot. New LF SAM, trial fitted PBU. Removed evap temp sensor, readings are good according to SDS. Could it be aftermarket compressor?… read more
Lou P. master tech
Lou P. master tech
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Ac only blows hot compressor turning, has freon but it is
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BOBBYSS
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Compressor is not starting and when putting a gauge on the
hello. compressor is not starting and when putting a gauge on the low side, gauge pegs out (very high pressure) … read more
Triston
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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 P. master tech
Lou P. master tech
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1999 ml430,112,000 mls, ac compressor will not engage,gas is
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Lou P. master tech
Lou P. master tech
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Gl450: My gl450 ac stop working just from being parked in my
My gl450 ac stop working just from being parked in my driveway, went on vacation for a week. There is air coming from all vents as it supposed to, but the air is hot. Thought it needed freon, it did. … read more
Bryan
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mercedes R350: I have an R350 mercedes V6, 2009. AC is
I have an R350 mercedes V6, 2009. AC is cooling fine but recently is blowing warm air for a few minutes and then star cooling again. Is this an electrical connector problem?… read more
Eric
Eric
Retired
N/A
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ac..blowing at 110 degrees, my low side is at 32..outside temp is 90
Well I evacuated the AC and let it sit for 4 hours to make sure it held the pressure then I charged the system. It is still blowing at 110 degrees, my low side is at 32 and the high side is at 175, th… read more
Marty
Marty
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Associate Degree
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r350: . ac..blowing hot..low side port has very high presure..drained
Hi. Ac on my r350 blowing hot. Took car to mechanic and the low side port has very high presure. They drained the system and then refilled it but it's still the same.… read more
Marty
Marty
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Associate Degree
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99 mercedes clk430: low side..150 psi pressure, ac fan didnot come
have 99 mercedes clk430, have ac problem, low side 70psi-80psi pressure fluctute, highside 150 psi pressure, ac fan didnot come on either.… read more
Lou P. master tech
Lou P. master tech
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Bachelor's Degree
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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
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Meet the Experts:

MB Paul

MB Paul

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3,567 satisfied customers

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

Marty

Marty

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Bosch Certified Master Tech. Over 35 years experience.

Lou P. master tech

Lou P. master tech

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20 years Master Certified excellent fix rate and have access to factory wiring, and instructions.

Michael Warfield

Michael Warfield

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Matt

Matt

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promerc

promerc

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

Hipo64

Hipo64

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444 satisfied customers

Work and diagnose electronics on daily basis.

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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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