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Related Mercedes Questions
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
8,901 satisfied customers
I have a 1983 380SL. I read that the engine temp should stay
I have a 1983 380SL. I read that the engine temp should stay around 80, but my car sits closer to 100. The radiator, thermostat and water pump have all been replaced within the last 10K miles.Is the c… read more
Eric
Eric
Retired
N/A
38,744 satisfied customers
2002 ml320 aux fans cycle on and off for temperature but do
2002 ml320 aux fans cycle on and off for temperature but do not run continuously when air conditioner is on. … read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
34,242 satisfied customers
My name is ***** *****, I have been going through some pain
Customer: My name is ***** *****, I have been going through some pain with my 1985 300Sd heating No heat for the driver: Replaced teh following. Monovalve, water pump, aux water pump. disconected the … read more
sprinkles08
sprinkles08
Technician
High School or GED
19,203 satisfied customers
1985 USA Mercedes 380SL Climate Control (Heat): Car runs
1985 USA Mercedes 380SL Climate Control (Heat): Car runs very well (thank you, Marty!). However, no heater operation. I have already removed the dash, replaced all vaccuum solenoids and lines, repaire… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
Madam I am after a Mercedes Mechanic if possible.I
Dear Sir/Madam I am after a Mercedes Mechanic if possible. I have a Mercedes W126 300 SE 1989. The air con is working fine but I can't heat the car. There is no warm air coming from the vents. The inl… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
My 1999 E 300 TD Mercedes heats up but does not boil when I
My 1999 E 300 TD Mercedes heats up but does not boil when I am idling or driving at a slow speed. What causes this?… read more
Lou Palomino
Lou Palomino
associates in automotive technology
8,901 satisfied customers
280SL: Have '83 280SL with heater that works fine at idle and
Have '83 280SL with heater that works fine at idle and slow speeds, goes cold on highway. Rebuilt monovalve - didn't help. Any ideas? It's cold here.… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
CLS 320 CDI: I have a 2007 Mercedes CLS 320 with 44k miles.
I have a 2007 Mercedes CLS 320 with 44k miles. On occasions after a journey a fan engages when I switch off the engine and will run for some minutes. There is no indication of engine overheat and the … read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
my water pump replaced now I dont have heat..heat is blowing out cold
Hello, I just got my water pump replaced now I don't have heat. The heat is blowing out cold. What could be the problem?… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
Mercedes Benz: SL..convertible..cars temperature..warmed..highway
I have a1985 380 SL Mercedes Benz convertible. The cars temperature usually varies from about 85C when warmed up to 90C on the highway. In town though, it will go up to about 100C and then the auxilla… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
1985 mercedes benz: SL..000 miles..temperature fluctuates
Hi Marty, This is Gene Wilson from Birmingham, Alabama again. I have a 1985 mercedes benz 380 SL with about 75,000 miles. The temperature fluctuates between low 80's up to the next mark which is eithe… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
mercedes: more cold air coming..28 than hot air..leaks..thermostat
hi there i have a mercedes viano 2005 and seem to have a problem with the hot/cold heating system it takes for ever to warm up the cab and when it has warmed up its not that warm there seems to be mor… read more
Stan
Stan
Technical support engineer
Bachelor's Degree
3,418 satisfied customers
I have a 1995 Mercedes S420, 94,000 miles. The temperature
I have a 1995 Mercedes S420, 94,000 miles. The temperature gage goes up to 110-112 (Centigrade) in stop & go traffic and in street traffic on hot days. With plenty of speed and air, freeway driving, t… read more
hauto
hauto
Operate own repair shop
Bachelor's Degree
2,719 satisfied customers
Other user is that possible because i changed my address
i asked yesterday the question and i did not receive the answer because my email is registered to other user is that possible because i changed my address… read more
Michael Warfield
Michael Warfield
Factory Mercedes-Benz Technician
Vocational, Technical or Trade Scho
3,132 satisfied customers
12 volts..nothing wrong..it either,or is there a relay somewhere
I have a 2002 C240.There is no power going to the auxiliary water pump.I connected 12 volts directly to the pump and it works fine,so nothing wrong with the pump.Where does this get its power from?I c… read more
MB Paul
MB Paul
Mercedes Technician
Vocational, Technical or Trade Scho
3,567 satisfied customers
300TD: MB..highway..cool..the heat will get warmer , however the guage
I just recently purchased a 1985 MB 300TD, the heat gets very warm after warming up but when I get on the highway and drive at posted speed limits or slightly more the air gets cool, but when I stop f… read more
Marty
Marty
Mercedes Technician
Associate Degree
30,535 satisfied customers
1981 Mercedes: Diesel..Temperature gauge rises to above normal..guage
1981 Mercedes Diesel. Temperature gauge rises to above normal. When heater is turned on guage returns to normal. But only cool air comes out of vents and the radiator cap is cool to the touch. What co… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
34,242 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

30,535 satisfied customers

Bosch Certified Master Tech. Over 35 years experience.

Lou Palomino

Lou Palomino

8,901 satisfied customers

auto tech/ assistant manager at scott automotive

Michael Warfield

Michael Warfield

Factory Mercedes-Benz Technician

3,132 satisfied customers

Mercedes-Benz Master Certified technician

Matt

Matt

Engineer

716 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.

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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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