Question about 2002 Mercedes-Benz Mercedes Benz Sl Class

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E320 mercedes cold air only on passenger side.

E320 mercedes cold air on right side but not on left I know it's probably an actuator but where are they located cause there are six actuators. Please help a girl in tech support.

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  • Ryan Jasper
    Ryan Jasper May 11, 2010

    Have a shop pull codes on your climate control system. possible evap temp. sensor problem. Those actuators are called stepper motors and are on the heater box(which is mounted in your dash. It is easiest to remove your dash



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Could be the compressor.

Posted on Apr 17, 2010

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More than likely you are low on freon. They will blow cold on the right then quit when low. If it is making a hissing noise charge system now. It is a process to get it going again with the computer climate control.

Posted on Jun 14, 2009


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My A/C is blowing cold air on passenger side but not on driver side

U have a Mercedes and the dealer will rip you off for sure. That is a Mercedes thing. Unfortunate thing is that the car has class A engineering but of what use is it when the reliability is below par?

U got the correct info on the culprit but do you want to pay the price?!?!?!!??

Aug 24, 2015 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

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98 mercedes E320 AC blow cold on passager side and hot on driver side

you have shutter actuators that are mounted externally on you heater core enclosure inbetween your dash and firewall most likely in center. if not in center then behind glove box.

May 12, 2012 | 1998 Mercedes-Benz E-Class

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I have dual climate controls but my driver side wont heat..only cold air...passenger side and rear all heat

You probably have a bad air temperature actuator for the left side.If you can get the codes for the HVAC system it might show up there.Sometimes if you tap the actuator it will start to work.I t is located about the middle of the lower dash area.You might be able to see it from the right side of the console looking up into the lower dash area.If you don`t know what to look for it could be difficult to see.Good luck.

Nov 30, 2009 | 2003 Chevrolet Tahoe

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2004 GMC Yukon blows hot air out of the driver side vents when the AC is on. Cold air come out of the passenger side.

Probably the left temp actuator. The wires in the right I/P junction block could have poor tension also, but it's usually the temp actuator.

Oct 02, 2009 | 2004 GMC Yukon

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Drivers side air conditioning is warm, passenger side is cold on my 1999 E320 what do I do?

sounds like itslo on freon or has a temp door actuator stuck prob. just lo on freon

Aug 05, 2009 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

1 Answer

2005 E320 My ac is not blowing cold air on drive side. I went to dealer and he told me its a freon leak. Any idea on How can I get it fixed after market.

you can get a 134 freon fill kit with a fill hose on it and try to fill it yourself.
do you hear the compressor cycling on and off?if so thats a clear indication of not enough freon .
you say on the drivers side?
does it blow cold on the passenger side.?
if so this is an indication of the air handler not working right.
the freon fix will be easy but if theres an air handler problem its best to be left for the pros at the dealer that are use to working with and have heard of those problems before.
when it comes to mercedes unless you know exactly what your doing then dont mess with it.if you let anyone work on the car make sure its getting service from some whom knows what there talking about.if there is a leak the only way to be sure is with i freon sniffer tool.
no one i know rents them as they are very fragile tools.
also you may want to check any and all fuses.
as on these cars 90 percent of all problems on these cars are solved here.that car is way to new to have a freon leak.also check for any service recalls.
hope this helps
keep me posted

Jul 20, 2009 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

1 Answer

I cand find out where to charge my 2000 e320

i had the same problem,,, it was from the compressor, u start with checking the gas pressure first, then u can replace the filter(black metal piece), if not solving the problem ,,,compressor has to be changed.

Jul 14, 2009 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

1 Answer

Ac problem, passenger side is cold driver's side is not.

Hello, Here is a way to ck the codes in the climate control system.
Ignition ON
Temperature selector Left Hi Right Low
Within 20 seconds, press REST and EC simultaneously for more than 5 seconds
The LED in the car flashes and the display di A
Press auto repeatedly until all DTC's are shown. Record all DTC's
Each malfunction (short circuit, open circuit, etc) has a specific DTC
The letter "E" (error) is displayed in the left of the display and the DTC is displayed in the right of the display. By pressing the AUTO button the next DTC stored in memory will be displayed
To erase, This is only possible after all DTC's are read out
Simultaneously press both AUTO buttons for more than 2 seconds
"d" will be displayed on the left side of the display window and "FF" on the right side
The only problems that I can think of that will cause this problem are as follows;
006 right heater core temp
020 right duo valve
I hop this helps. CYA Gator241

Jan 03, 2009 | 1998 Mercedes-Benz E-Class

2 Answers

Rear air conditioning setting

It sounds like your rear temp. blend door is malfunctioning. You might could get a known good controller from (ebay,junkyard,craigslist) then plug it in. If this does not fix, it is probably a blend door actuator issue.

Dec 24, 2008 | 2005 Mercedes-Benz Mercedes Benz E320 Cdi

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