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-   -   2003 E-320, No Heat, No AC. (http://www.peachparts.com/shopforum/tech-help/405791-2003-e-320-no-heat-no-ac.html)

Shailo 06-04-2020 10:12 PM
2003 E-320, No Heat, No AC.
 
Will a defective Heat Control Valve affect the AC?

MB140300SD 06-04-2020 10:57 PM
Yes

tjts1 06-05-2020 03:39 PM
No.

Roncallo 06-06-2020 10:24 PM
Yes

Hogweed 06-07-2020 11:54 AM
Quote:
Originally Posted by MB140300SD (Post 4055449)
Yes
Quote:
Originally Posted by tjts1 (Post 4055686)
No.
Quote:
Originally Posted by Roncallo (Post 4056279)
Yes
this made me laugh :)

although it has to be frustrating for the OP

tjts1 06-08-2020 12:24 AM
OP moved on and bought a Corolla. He doesn't have to to deal with autists like us.

Zulfiqar 06-09-2020 04:41 PM
Quote:
Originally Posted by Shailo (Post 4055425)
Will a defective Heat Control Valve affect the AC?
Yes it will, because in Mercedes benz the heater core is kept cold by stopping the coolant at the control valve, the system adds heat as required to warm up the core to the desired set temperature of the control panel.

If the valve fails open the core is now fully hot - and will overpower the A/C system.


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