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2011 cls 550. heater blows cold air only, heat will not come
2011 cls 550 . heater blows cold air only, heat will not come on … read more
Matt
Matt
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Bachelor's Degree
771 satisfied customers
I have a 1999 Mercedes c280 with a leaking heater core. The
I have a 1999 Mercedes c280 with a leaking heater core. The cost for replacing is well beyond the value of the auto. However if I can bypass the core the auto can be drivable is the summer. How can I … read more
Marty
Marty
Mercedes Technician
Associate Degree
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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
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I have an 87 560sl I replaced the mono valve and now at idle
I have an 87 560sl I replaced the mono valve and now at idle with monovalve unplugged I will have hot air but while driving the air cools off to barely warm. I know my temp wheel is not working right … read more
Marty
Marty
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Associate Degree
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I have a 2000 Mercedes ML55 and it has a heater issue. I have
I have a 2000 Mercedes ML55 and it has a heater issue. I have replaced the broken flap actuator motor and the console controls. I have ensured there is the proper amount of coolant but the heater stil… read more
Marty
Marty
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Associate Degree
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e320: Hey Marty, Ive been thinking about the restriction
Hey Marty, I've been thinking about the restriction in the heater core of the Benz, Last year when I did the AC I removed the heater hoses around the Hblock to get at it. There is a plastic Y connecto… read more
Marty
Marty
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Mercedes-Benz Clk: Mercedes clk 430: Started the car and heard
Mercedes clk 430: Started the car and heard a brief screeching under the hood. Then the A/C started blowing hot air. Tried to start it again and the same thing occurred. I am also experiencing a weak … read more
Marty
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107: My 1981 Mercedes 380 SL... The heater stopped blowing
My 1981 Mercedes 380 SL... The heater stopped blowing hot air. The control panel opens the various settings and the fan. Everything appeared normal but no hot air... The circulating pump under the hoo… read more
Bryan
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ML320: Heater is blowing cold air, Checked to make sure hot
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Marty
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280C: Just completely changed out all hoses, water pump thermostat
Just completely changed out all hoses, water pump thermostat and blower fan on my 75 280C M110. Car started at high idle and began to overheat. Turned it off and squeezed the radiator hose and restart… read more
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Marty
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Mercedes-Benz 300D: after running for 1/2 hour or so my ac
after running for 1/2 hour or so my ac starts blowing hot air out of the outside upper ports as well as the port on your feet. you can let the car sit for an hour ormore and it will work ok again for … read more
Marty
Marty
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Associate Degree
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2003 Mercedes E500: assembly..squeal..entire tensioner
Need replace tensioning pulley (or assembly) due noise/squeal. Can just the pulley be replaced or does entire tensioner require replacement? Car 2003 Mercedes E500.… read more
Pete
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mercedes: blower..drivers side returning..passenger side..overheating
Mercedes e280cdi Avant G W211 2006 jan The blower and ac work as normal,but no heat comes through even though both temp controls are set to max. Inside/ under bonnet hot water goes from rad on drivers… read more
Marty
Marty
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Hot air blows from side vents and dash vents all the time.
Hot air blows from side vents and dash vents all the time. water leaks from water pump tube. Are these related?… read more
Michael Warfield
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Vocational, Technical or Trade Scho
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93 400sel: some vents and perfect cold air..blow hot air
my 93 400sel blows hot air out of some vents and perfect cold air out of the front middle and rear vents. What causes some vents to blow hot air when the A/C is on?… read more
mbfixer
mbfixer
Shop manager
High School or GED
453 satisfied customers
84 mercedes: harmonic balancer..crank shaft..the water pump bolt is
water pump removal on 84 mercedes. Last bolt is behind harmonic balancer, so cannot pull all the way out. Tried turning crank shaft to see if there was a recess, but only recesses are on lip of balanc… read more
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Marty
Mercedes Technician
Associate Degree
30,558 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
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High School or GED
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93 mercedes 190e: thermostat..heater..works fine..plenty of coolant
my 93 mercedes 190e has no heat i replaced the thermostat check the temp switch and it is also working ..then i checked the valve on the heater line and it is working properly .the blower works fine a… read more
MBGuru
MBGuru
Bachelor's Degree
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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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