Activating/deactivating cooling with air dehumidification
Points to observe before use
If you deactivate the "Cooling with airdehumidification" function, the air inside the vehicle will not be cooled. The air inside the vehicle will also not be dehumidified. The windows can fog up more quickly. Therefore, only deactivate the "Cooling with airdehumidification" function briefly.
The cooling with air dehumidification function is only available when the engine is running.
The air inside the vehicle is cooled and dehumidified according to the temperature selected.
Condensation may drip from the underside of the vehicle when it is in cooling mode. This is normal and not a sign that there is a malfunction.
Activating/deactivating
Example: 
button
■ To activate: press the 
button.
The indicator lamp in the 
button lights up.
■ To deactivate: press the 
button.
The indicator lamp in the 
button goes out. The "Cooling with air
dehumidification" function has a delayed
switch-off feature.
Problems with the "Cooling with air dehumidification" function
See also:
Important safety notes
WARNING
When leaving the vehicle, always remove the
SmartKey from the ignition lock. Always take
the SmartKey with you and lock the vehicle.
Do not leave children unsupervised in the
vehicle, e ...
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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. Using f ...