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:
Charging the batter
WARNING
Never charge a battery still installed in the
vehicle unless a battery charger unit approved
by Mercedes-Benz is being used. Gases may
escape during charging and cause explosio ...
Automatic Door Locks
The vehicle may have an automatic lock/unlock feature. This feature can be programmed
using the Driver Information Center (DIC). See Vehicle Personalization
for more information on DIC p ...
Headlamps - condensation
Misting of lamp lenses can occur under some atmospheric conditions. This will
not affect the performance of the lamps and will clear during normal operation. ...







