Problems with the cooling with air dehumidification function
When you press the 
button, the
indicator lamp in the button flashes three
times or remains off. You can no longer switch
on the cooling with air dehumidification
function.
Consult a qualified specialist
workshop.
See also:
Setting the air distribution
Air distribution settings
Directs air through the
defroster vents
Directs air through the center
and side
air vents
Directs the airflow through the
footwell air vents
Directs the airfl ...
Storing a destination permanently in
the destination memory
Proceed as described in the "From the list
of previous destinations" section. ...
Please bear the following in mind
Resetting service interval display
If the qualified specialist workshop, e.g. a
Mercedes-Benz Center, carried out the
maintenance work, the service interval
display will be reset.
Further infor ...