Replacing; Checking The Battery - Mercedes-Benz SLS AMG Operator's Manual

Checking the battery

Press the & or % button.
X
The SmartKey battery is working properly if
battery check lamp : lights up briefly.
If battery check lamp : does not light up
briefly during the test, the SmartKey battery is
discharged.
Change the battery (
X
i
If the SmartKey battery is checked within
the signal reception range of the vehicle,
pressing the & or % button:
locks or
R
unlocks the vehicle
R
i You can get a battery at any qualified spe-
cialist workshop.
Replacing the battery
Take the mechanical key out of the Smart-
X
Key ( page 64).
Y
You require a CR 2025 3 V cell battery.
page 65).
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 the cover of the battery tray.
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.
Insert the front tabs of the battery tray's
X
cover first, and then press to close it.
Check the function of all SmartKey buttons
X
on the vehicle.
SmartKey
65
Z