X
Push release catch : in the direction of the
arrow and at the same time remove mechan-
ical key ; from the SmartKey.
For further information about:
R
unlocking the driver's door (Y page 86)
R
unlocking the cargo compartment
(
Y page 90)
R
locking the vehicle (Y page 86)
Inserting the mechanical key
X
Push mechanical key ; completely into the
SmartKey until it engages and release
catch : is back in its basic position.
SmartKey battery
Important safety notes
G
WARNING
Batteries contain toxic and corrosive substan-
ces. If batteries are swallowed, it can result in
severe health problems. There is a risk of fatal
injury.
Keep batteries out of the reach of children. If
a battery is swallowed, seek medical attention
immediately.
The SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. National guide-
lines must be observed during disposal. In Cal-
ifornia, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/index.cfm.
Mercedes-Benz recommends that you have the
batteries replaced at a qualified specialist work-
shop.
Checking the battery
X
Press the & or % button.
The battery is working properly if battery
check lamp : lights up briefly.
The battery is discharged if battery check
lamp : does not light up briefly.
X
Change the battery (Y page 81).
If the SmartKey battery is checked within the
signal reception range of the vehicle, pressing
the & or % button:
R
locks or
R
unlocks the vehicle
i
You can get a battery at any qualified spe-
cialist workshop.
Replacing the battery
You require a CR 2025 3 V cell battery.
X
Take the mechanical key out of the SmartKey
(
Y page 80).
X
Press mechanical key ; into the SmartKey
opening in the direction of the arrow until bat-
tery compartment cover : opens. Do not
hold battery compartment cover : closed
while doing so.
X
Remove battery compartment cover :.
SmartKey
81
Opening and closing
Z
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