Mercedes-Benz 2015 M-Class Operator's Manual page 147

The "Cooling with air dehumidification" func-
tion is only available when the engine is run-
ning. 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 malfunc-
tion.
Activating/deactivating
Example: ¿ button
To activate: press the ¿/Á button.
X
The indicator lamp in the ¿/Á but-
ton lights up.
To deactivate: press the ¿/Á but-
X
ton.
The indicator lamp in the ¿/Á but-
ton goes out. The "Cooling with air dehu-
midification" function has a delayed switch-
off feature.
Operating the climate control systems
145