G-Class Owner's Manual - Mercedes G-Class, G-Wagon, G500, G55 ...

You can make the following settings:
Function Page
Select the switch-on time 151
Change the switch-on time 152
Select the heater booster* settings
153
Selecting the switch-on time
You can set up to three switch-on times using
the AUXILIARY HEATING SWITCH-ON TIME
function. Set the exact switch-on time using
the additional functions in the HEATER
submenu.
A switch-on time is activated if it has been
selected and:
the key has been removed from the ignition
lock
a different menu has been selected
The yellow indicator lamp in the auxiliary
heating* switch on the centre console
then lights up ( page 194).
Set the temperature using Thermatic
( page 184). You can switch off the auxiliary
heating* using the remote control.
The auxiliary heating* switches off automatically
after 50 minutes. You can have
this time changed. Visit a qualified specialist
workshop, e.g. a Mercedes-Benz Service
Centre, for this purpose.
Nur fuer internen Gebrauch
Controls in detail
Operating system
Risk of fire and poisoning G
Hot and poisonous exhaust fumes are produced
when the auxiliary heating* or heater
booster system are in operation. When the vehicle
is being refuelled, fuel vapours may ignite
on the hot exhaust system.
Do not switch on the auxiliary heating*:
at the filling station
in confined spaces with no ventilation,
e.g. in the garage
You could otherwise endanger yourself
and others.
151