C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Climat control heat on right side only

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Old 12-19-2019, 02:24 PM
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C280 2007
Climat control heat on right side only

Hi guys,
I have an issue with my climat control system. When i put the heat ON, the left side of the car stop blowing air. Only the right side remain. But when there is cold air, then both side are blowing air. After a climat control reset the problem remain.

The only way I found to resolve my issue with the system is to unplugged the electric motor that control the vent. The one on the left side.

I certainly forgot to check something. Do you think it could be the central control panel?


Old 12-19-2019, 08:43 PM
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2005 C230 Sport Sedan-6 Speed Manual
The servo motors have weak plastic linkages and are a well known trouble spot as described in the sticky: https://mbworld.org/forums/c-class-w...g-hissing.html

Consider having the climate control system scanned with iCarsoft or Star systems. That should help you focus on the specific part of the system that is causing the problem. Otherwise you run the risk of throwing parts the problem which can become expensive and frustrating.


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