heating problems e-class w211

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pacokia

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my heating is staying on cold everything else is working but when you turn it to hot it is cold can anyone help thanks
 
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Alex Crow

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hello pacokia, the w211 has a common problem with the heater valve failing, usually sticking in the cold position. i would suggest you try to find a specialist garage with a star machine to check it out.
 
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pacokia

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thanks forgot to say aswell the ac light is staying on red
 

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thanks forgot to say aswell the ac light is staying on red

If that is when the EC button is pressed,,if so it will have to go on STAR to see what has happened, and if it is low on gas it will still need STAR to turn it on again
 

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I've had to bash mine twice this year.......

We do get outsiders reading these post,,could not you describe the fault like,,the Duo valve needs a little stimulation at times
 


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