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:
Forward Collision Warning (FCW) system (if so equipped)
The Forward Collision Warning (FCW) system
will warn the driver by a warning light
and chime when your vehicle is getting
close to the vehicle ahead in the traveling
lane.
The FCW system wil ...
Front seats
Front power seat adjustment
Operating tips:
► The power seat motor has an auto-reset
overload protection circuit. If the motor
stops during operation, wait 30 seconds,
then reactivate t ...
Driver override options
Hill Descent Control (HDC) is automatically engaged for some terrain response
programs. If required, HDC can be deselected or engaged independently of terrain
response.
The HDC status will be dis ...
