Mercedes-Benz C-Class Operator's Manual page 138

Operating the climate control systems
136
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
To activate: press the ¿ button.
X
The indicator lamp in the ¿ button lights
up.
i
When the "Cooling with air
dehumidification" function is activated,
one of the indicator lamps on the auxiliary
heating button will light up on vehicles with
auxiliary heating.
To deactivate: press the ¿ button.
X
The indicator lamp in the ¿ button goes
out. The "Cooling with air dehumidification"
function has a delayed switch-off feature.