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Fan turns off after a few minutes then that causes ac to
fan turns off after a few minutes then that causes ac to shut off. When its running good cold air … read more
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Chad Farhat
Owner
Associate Degree
12,253 satisfied customers
Heater headache, 1984 300D. Fan blower always works.
Heater headache, 1984 300D. Fan blower always works. Intermittently just cold/cool air coming out.Sometimes gets worse, but the intermittency doesn't relate to the engine temp, RPM, idle, road velocit… read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,909 satisfied customers
2010 C350 Mercedes air conditioner is intermittent. It blows
2010 C350 Mercedes air conditioner is intermittent. It blows hot and then cools down. I had the system evacuated and serviced. The mechanic said the system was blowing cold air. However, when I picked… read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,909 satisfied customers
C350: I have a 2012 C350 that will not blow cold A/C when the
I have a 2012 C350 that will not blow cold A/C when the temperature outside is hot 95f+ and the car has been sitting out in the sun. It seems like when this happens the radiator fans are running on ma… read more
Lou Palomino
Lou Palomino
associates in automotive technology
11,909 satisfied customers
ML350: The air conditioner works, but it is blowing hot air
The air conditioner works, but it is blowing hot air rather than cold. Sometimes when I turn the fan off, than after minute or so I turned the air blower ON, cold air is coming and it works until the … read more
BOBBYSS
BOBBYSS
Automotive Repair/Damage Investigator
Associate Degree
14,739 satisfied customers
hey Lou the front of my s430 2002 gets really hot and the hose
hey Lou the front of my s430 2002 gets really hot and the hose does also just replaced the crankshaft sensor now says coolant level, the car feels really hot was at 80 now goes to 100 when sitting sti… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
E320: I have a 2001 MB e 320. When the ac is on it blows cold
I have a 2001 MB e 320. When the ac is on it blows cold for about 3 minutes, the the air warms up for a few minutes and then it the air comes back on and so on. Than other times it blows cold for a lo… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
1985 mercedes benz: SL..000 miles..th temperature fluctuates
I have a 1985 mercedes benz 380 SL with about 75,000 miles. Th temperature fluctuates between low 80's up to the next mark which is either 90 or 100. I think that the high mark is too hot but the mech… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,133 satisfied customers
1994 Mercedes: 000 Miles..water pump..weather..cooling..car goes down
1994 Mercedes E-320 142,000 Miles Squealing noise from one of the pulleys. Have replaced alternator, water pump, and belt tensioner. When Arizona weather hits 100 or above, car temperature goes up and… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
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1999 SLK230: air conditioner compressor..cooling fan..lights come
1999 SLK230, when outside air temp is hot (1)the air conditioner compressor will not run. (2) the engine cooling fan comes on full speed. (3) EC, Recirc & Rest lights come on. Any one else had this pr… read more
Auto Psychic
Auto Psychic
owner
Bachelor's Degree
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1989 mercedes 200: run it for awhile..way down..air conditioner..cars
i have a 1989 mecedes 300 e and when i start it up and run it for awhile and stop at a light the oil gauge goes way down and the temp goes up to 135 is the hottest then when i start going again it goe… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
1999 mercedes c320: a/c will blow 40 to 60 degrees..cycle on hot air
I have a 1999 Mercedez e320. The a/c will blow 40 to 60 degrees for a while and then will cycle on hot air at 100 plus degrees. This cycle will occur on and off. I live in AZ and I notice the in the m… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
1992 300sl: it started overheating..radiator cap..bearings..flushed
My son got a 1992 300sl and it started overheating what should I check? I have performed the following so far, upper and lower radiator hoses, radiator cap, fan bearing ( it was shot actually missing … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
Hi I have a 2003 Mercedes ML 500, It has been overheating when
Hi I have a 2003 Mercedes ML 500, It has been overheating when the weather is hot over 70+ outside temperature or in stop and go traffic. It seems that the cooling fan is not turning faster when tempe… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
sl..90k..outside temp hit over 85 my temperature gauge shot
ok, you have not let me down yet so here it goes. 1996 sl 500. 90k, last summer for the first time, when the outside temp hit over 85 my temperature gauge shot up to almost 100. Normally it always run… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
1987 400sel: 000 miles..degrees..air conditioner..cool air to hot air
I have a 1987 402SEL with only 80,000 miles on it. Just took a road trip a couple weeks ago with outside temperatures around 100 degrees. The air conditioner worked fine EXCEPT it would occassionally … read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
I have a 1997 E420 that is nearly overheating when Im in traffic.
I have a 1997 E420 that is nearly overheating when I'm in traffic. I reach highway speed and it cools down. I have a full coolant system with fresh coolant. I already replaced the fan clutch (previous… read more
Marty
Marty
Mercedes Technician
Associate Degree
57,141 satisfied customers
The heater blow hot air when idling in park..faster..SE
Why does the heater blow hot air when idling in park, but turns to cold once you get going to about 30 mph and faster? 1985 380 SE… read more
Rob
Rob
Diagnostic Technician
High School or GED
196 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

3,133 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

829 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

339 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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