Mercedes-Benz G 550 2015 Operator's Manual page 76

SmartKey
74
Checking the battery
Press the & or % button.
X
The battery is working properly if battery
check lamp : lights up briefly.
If battery check lamp : does not light up
during the test, the battery is discharged.
Change the battery (
X
You can obtain a battery at any qualified
i
specialist workshop.
Have the batteries replaced at a qualified
i
specialist workshop.
If the SmartKey battery is checked within
i
the signal reception range of the vehicle,
pressing the & or % button:
locks or
R
unlocks the vehicle
R
Replacing the battery
You require a CR 2025 3 V cell battery.
Take the mechanical key out of the Smart-
X
Key ( page 73).
Y
page 74).
Y
Press mechanical key ; into the opening
X
in the SmartKey in the direction of the
arrow until battery tray cover : opens. Do
not hold the cover closed while doing so.
Remove battery tray cover :.
X
Repeatedly tap the SmartKey against your
X
palm until battery = falls out.
Insert the new battery with the positive ter-
X
minal facing upwards. Use a lint-free cloth
to do so.
Make sure that the surface of the battery is
X
free from lint, grease and all other forms of
contamination.
Insert the front tabs of battery tray cover :
X
and then press to close it.
Insert the mechanical key into the Smart-
X
Key.
Check the function of all SmartKey buttons
X
on the vehicle.
Problems with the SmartKey
You can find information about this in the
Digital Operator's Manual.