See also:

Problems with the cooling with air dehumidification function
If you can no longer switch on the cooling with air dehumidification function via COMAND, the cooling with air dehumidification function is switched off due to a malfunction. Consult a qualifi ...

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 qualif ...

Important safety notes
For reasons of safety, Mercedes-Benz recommends that you drive with the lights switched on even during the daytime. In some countries, operation of the headlamps varies due to legal requiremen ...