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:
When to Check Power Steering Fluid
It is not necessary to regularly check power steering fluid unless there is a
leak suspected in the system or an unusual noise is heard. A fluid loss in this
system could indicate a problem. Have th ...
4WD shift switch
► Shift the 4WD shift switch to either the
AUTO, 4H or 4L position, depending on
driving conditions.
► With the switch set to the AUTO position,
distribution of torque to the front ...
Navigation System
The navigation system provides detailed maps of most major freeways and roads
throughout the United States and Canada. After a destination has been set, the system
provides turn-by-turn instructions ...
