Checking the battery

•► Press the
or
button.
The battery is working properly if battery check lamp 1 lights up briefly If battery check lamp 1 does not light up briefly during the test, the battery is discharged.
•► Changing the battery
You can obtain the battery at a qualified specialist workshop.
i If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the
or
button locks or
unlocks the vehicle.
See also:
Vehicle data, GL 450
The data stated here refers specifically to a
vehicle with standard equipment. Consult an
authorized Mercedes-Benz Center for the
data for all vehicle variants and trim levels.
...
Setting the rear-compartment airvents
Setting the center vents in the rear
compartment
1 Rear-compartment air vent, left
2 Rear-compartment air vent, right
3 Rear control panel
When the climate control panel is switched
on/off, th ...
Trailer power supply
The trailer socket of your vehicle is equipped
at the factory with a permanent power supply.
The permanent power supply is supplied via
trailer socket pin 4.
You can connect accessories wit ...
