Mercedes-Benz GL-Class: Setting climate control to automatic
WARNING 
If you switch off the cooling function, the
vehicle will not be cooled when weather
conditions are warm. The windows can fog up
more quickly. Window fogging may impair
visibility and endanger you and others.
In automatic mode, the set temperature is maintained automatically at a constant level.
The system automatically regulates the temperature of the dispensed air, the airflow and the air distribution.
Automatic mode will achieve optimal operation if cooling with air dehumidification is also activated. If desired, cooling with air dehumidification can be deactivated.
Controlling the front climate control using the front control panel
► Turn the SmartKey to position 2 in the
ignition lock.
► Set the desired temperature.
► To activate: press the
button.
The indicator lamp in the button
lights
up. Automatic air distribution and airflow
are activated.
► To deactivate: press the
button.
The indicator lamp in the button
goes
out. Automatic airflow is deactivated and
the airflow is controlled according to the
level set. Automatic air distribution
remains activated.
or
► Press the
,
button.
The indicator lamp in the button
goes
out. Automatic air distribution is
deactivated. Air distribution is controlled
according to the position set. Automatic
airflow remains activated.
Controlling the rear-compartment climate control automatically using the rear control panel
► Turn the SmartKey to position 2 in the
ignition lock.
► Switch on automatic climate control using
the front control panel.
► Set the desired temperature.
► To activate: press the
button.
The indicator lamp in the button
lights
up. Automatic air distribution and airflow
are activated.
► To deactivate: press the
button.
Automatic airflow is deactivated and the
airflow is controlled according to the level
set. Automatic air distribution remains
activated.
or
► Press one of the
buttons.
Automatic air distribution is deactivated.
Air distribution is controlled according to the position set. Automatic airflow remains activated.
Activating/deactivating cooling with air dehumidification
Important information
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 temperat ...
Setting the temperature
2-zone automatic climate control
Different temperatures can be set for the
driver's and front-passenger sides.
► Turn the SmartKey to position 2 in the
ignition lock.
► To increase/ ...
See also:
Vehicle data, GL 450
The data stated here refers specifically to a
vehicle with standard equipment. Consult an
authorized Mercedes-Benz Center for the
data for all vehicle variants and trim levels.
...
Danger, Warnings, and Cautions
WARNING messages found on vehicle labels and in this manual describe hazards
and what to do to avoid or reduce them.
Danger indicates a hazard with a high level of risk which will result in seri ...
Driving for Better Fuel Economy
Driving habits can affect fuel mileage. Here are some driving tips to get the
best fuel economy possible.
Avoid fast starts and accelerate smoothly.
Brake gradually and avoid abrupt stops.
Av ...
