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My blower blows only cold air and no heat in my Mercedes 400SEL

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Posted on Jan 02, 2017

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emissionwiz
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SOURCE: Front Blower

ok, missed the part about the rear ac working, the part that causes this is called the air temperature control blend door actuator motor, it is an electric motor driven gear drive that moves the plastic door inside the air ducking to mix or shut off the hot or cold air from the ac evaporator core or the heater core, you will need to replace it.

Posted on Sep 03, 2009

Testimonial: "Great thanks that could be my problem. Is the motor by the inside coil"

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1 Answer

The heater in my 2002 Mercedes ML500 only blows cold air (air temperature) and the AC as well. The middle vent is not blowing at all.


As per your problem mentioned. There are few solved help links to troubleshoot these problems. Go through the list and Click the link below:----


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Heater blows cold?

http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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No heat, blower blows only cold?

http://technoanswers.blogspot.in/2012/02/no-heatblower-blows-only-cold.html

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These will help.

Thanks.

Feb 15, 2013 | Mercedes-Benz ML320 Cars & Trucks

1 Answer

Heater doesnt work


To troubleshoot this types of problem,click the link below :---
Car heater blowing warm, but not hot air?http://schematicsdiagram.blogspot.com/2011/12/car-heater-blowing-warm-but-not-hot-air.html

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Engine Overheats and heater blowing cold?

http://howtobyme.blogspot.com/2011/11/engine-overheats-and-heater-blowing.html

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Heat blows cold on drivers side and hot on passenger side?

http://schematicsdiagram.blogspot.com/2011/12/heat-blows-cold-on-drivers-side-and-hot.html

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No heat on car? http://technoanswers.blogspot.in/2012/02/no-heat-on-oldsmobile-silhouette.html

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Heater blows intermittently and temp gauge goes erratic?

http://technoanswers.blogspot.com/2012/01/heater-blows-intermittently-and-temp.html

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Heater blows cold?

http://schematicsdiagram.blogspot.in/2012/02/heater-blows-cold.html

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Heater/AC blower motor not working?

http://technoanswers.blogspot.in/2012/02/heaterac-blower-motor-not-working-on.html

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A/C, heater, defroster fan, not working? http://technoanswers.blogspot.in/2012/02/ac-heater-defroster-fan-not-working.html Heater problem?

http://technoanswers.blogspot.in/2012/02/heater-problem-on-isuzu-trooper.html

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This will help.Thanks.

Mar 27, 2012 | 1994 Volvo 960

1 Answer

MY 1993 400SEL MERCEDES BENZ IS OVER HEATING, I JUST CHANGED THE WATER PUMP AND ITS STILL GETS HOT. WHAT CAN BE WRONG WITH IT.


It could be a number of reasons, but start with the simple ones first. Maybe the thermostat ? , remove it from its housing and place it in a pan of cold water on the stove. Turn on the heat on a low light and see if it opens as the water gets hot. If no movement as it reaches boiling point it needs to be replaced.

Aug 06, 2011 | 1993 Mercedes-Benz Mercedes Benz 400 Class

1 Answer

My is heat is not work?My car is blowing cold air instead of hot air, I have a brand new heater core,the thermostat is not sticking,I got anti-freeze in it,It's getting cold in I need heat.Please help me


first feel the heater core hoses see if both are hot if so then your problem is in the blend air door must be stuck on cold. is your blower motor blowing cold air if not your blower motor might be the problem. the blend air door is down by the blower motor.

Nov 17, 2010 | 1995 Oldsmobile Cutlass Supreme

6 Answers

Mercedes sprinter 308 cdi mwb van heater blower not working and have tested all fuses


hi got an r reg mercedes sprinter van mwb got no heat on the heater just blowing cold?

Dec 02, 2009 | 2000 Mercedes-Benz S-Class

1 Answer

Clk 01 430 stop blowing air all around hot or cold


yes i have my blower went out.It is your blower

Aug 25, 2009 | 2006 Mercedes-Benz CLK 500

1 Answer

I have a 1999 c230 benz and the a/c started blow when I first cranked it up but dies quickly. You can still feel the cold but the air will not blow.


Let the car warm up to normal operating temp and then try the heater. If the blower works for the heat it should not be a blower fuse. If the blower does not work at all, then check the fuse panel for a blown fuse. Unfortunately this will not tell you why the fuse blew. You probably have a bad blower motor. If you have climate control, there should be a variable resistor for blower speeds and that plug- in part may be burned out.

Jun 02, 2009 | 2007 Mercedes-Benz C230 Sedan

1 Answer

I need a auto diagram for a 1993 400sel evaporator


hello,good day,slight instruction on removal of your dash,first, battery disconnected, first console box (remove wooden cover ,air con switch,radio) then your dash board ,cluster,globe box, left and right lower under dash,if you remove your dash,your evaporator coil housing is visual,before your dismantle the housing,remove your wiper linkage with motor,remove ex.valve and heater hose,ty

May 18, 2009 | 1993 Mercedes-Benz Mercedes Benz 400 Class

2 Answers

No air blowing out of air vents on a saturn L300 no heat or cold


1999 saturn the ac is no longer blowing air at all no heat no cold air you can hear it turn on but nothing. What do I need to look for?

May 08, 2009 | Saturn L300 Cars & Trucks

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