Mercedes-Benz SLS AMG Operator's Manual page 111

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
To activate: press the ¿ button.
X
The indicator lamp in the ¿ button lights
up.
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.
Operating the climate control systems
109