See also:

Adjusting the climate mode settings (AIR FLOW)
This function is only available with 3-zone automatic climate control. The climate mode settings are especially effective at high temperatures. You can select the following climate mode settin ...

Important safety notes
WARNING Only use fuses that have been approved for Mercedes-Benz vehicles and that have the correct fuse rating for the systems concerned. Do not attempt to repair or bridge faulty fuses. Us ...

Switching on/off
The three blue indicator lamps in the buttons indicate the ventilation level you have selected. If the battery voltage is too low, the seat ventilation may switch off. Make sure that the ...