W221 air con not working

mat8n

Banned
Joined
Dec 30, 2013
Messages
1,103
Location
Stokesley....ish
Car
Sl63,honda crf450x, BMW x3, vespa lx50v, Honda goldwing in bits!
My air-conditioning on my side class won't switch on. I have no errors anywhere.
When I scroll to the air-con to switch it 'on' in the little tick box it won't switch over from 'off'
Any help and hints greatly appreciated.
:thumb:
 

Diesel Benz

MB Enthusiast
Joined
Feb 3, 2006
Messages
4,105
Location
Europe
Car
222.132 & 213.050 & 906.633
My air-conditioning on my side class won't switch on. I have no errors anywhere.
When I scroll to the air-con to switch it 'on' in the little tick box it won't switch over from 'off'
Any help and hints greatly appreciated.
:thumb:

What do you mean by "no errors anywhere"? Are you expecting to see some fault messages on the instrument cluster? That would not happen, see your user manual for the complete list of messages.

If you mean Star Diagnosis does not report any error messages (I think at this point it should), then check all sensor readings etc. There is a problem that needs fixing.
 

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