Mercedes-Benz GL-Class: Activating/deactivating the residualheat function
It is possible to make use of the residual heat of the engine to continue heating the stationary vehicle for up to 30 minutes after the engine has been switched off. The heating time depends on the temperature that has been set.
The blower will run at a low speed
regardless of the airflow setting.
If you activate the residual heat function
at high temperatures, only the ventilation
will be activated. The blower runs at
medium speed.
► Turn the SmartKey to position 0 in the
ignition lock or remove it.
► To activate: press the
button.
The indicator lamp in the button
lights
up.
► To switch off: press the
button.
The indicator lamp in the button
goes
out.
Residual heat is deactivated
automatically:
• after about 30 minutes
• when the ignition is switched on
• if the battery voltage drops
• if the coolant temperature is too low
Activating/deactivating airrecirculation mode
You can deactivate the flow of fresh air if
unpleasant odors are entering the vehicle
from outside. The air already inside the
vehicle will then be recirculated.
The operation of air-recirculati ...
See also:
Indicator and warning display
1 Yellow indicator lamp/red warning lamp
When Blind Spot Assist is activated, indicator
lamp 1 lights up yellow in the exterior
mirrors up to a vehicle speed of 20 mph
(30 km/h). When the vehicl ...
Tire Messages
TIRE LOW ADD AIR TO TIRE
On vehicles with the Tire Pressure Monitor System (TPMS), this message displays
when the pressure in one or more of the vehicle's tires is low.
This message also displ ...
Automatic Operation, If Equipped
AUTO: Press the air delivery mode button until this setting is selected to control
the inside temperature, air delivery, and fan speed. AUTO appears in the display
when automatic operation is active ...
