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:
New Vehicle Break-In
Notice: The vehicle does not need an elaborate break-in. But it will perform
better in the long run if you follow these guidelines:
Keep the vehicle speed at 88 km/h (55 mph) or less for the firs ...
Security Light
The security light should come on briefly as the engine is started.
If the system is working normally, the indicator light turns off. If it does
not come on, have the vehicle serviced by your dea ...
Body Component Lubrication
Lubricate all key lock cylinders, hood hinges, liftgate hinges, and steel fuel
door hinge unless the components are plastic. Applying silicone grease on weatherstrips
with a clean cloth will make th ...
