i
If the batteries are checked within signal
range of the vehicle, pressing button
& or % will lock or unlock the vehicle
accordingly. Loss of the SmartKey
If you lose your SmartKey or mechanical key,
you should do the following:
X Have the SmartKey deactivated by an
authorized Mercedes-Benz Center.
X Report the loss of the SmartKey or the
mechanical key to your car insurance
company immediately.
X Have the mechanical lock replaced if
necessary.
Any authorized Mercedes-Benz Center will be
glad to supply you with a replacement. For
information on replacing the SmartKey, see
“Replacing the SmartKey” ( Y page 70).Replacing the SmartKey
Only you, or someone authorized by you can
order a replacement key from any Mercedes-
Benz Center. In order to do so, the Mercedes-
Benz Center will require proof of identity and
vehicle ownership with original documents,
including the following:
If you are the current owner of the vehicle:
R the vehicle’s current state registration
R a current identity card, passport, or drivers
license
If you are an authorized person:
R the vehicle’s current state registration
R a current identity card, passport, or drivers
license for the authorized individual
R signed and dated authorization from the
owner of the vehicle for which the key is
being requested
i Duplicated or photocopied
documentation will not be accepted. Activating the key Once you, or an authorized person, has
provided the appropriate documents, the
Mercedes-Benz Center will need to
synchronize the key to your vehicle before it
can be used. In order to do so, the Mercedes-
Benz Center need access to your vehicle.
Opening the doors from the inside
You can open a door from the inside even
when it is locked unless it is secured with the
child safety lock ( Y page 56).
Open door only when conditions are safe to
do so. Example illustration driver’s door
If the vehicle has previously been locked with
the SmartKey or with KEYLESS-GO, opening
a door from the inside will trigger the anti-
theft alarm system.
To cancel the alarm, see (
Y page 63).
X Front doors: Pull on inside door
handle ; on the respective front door.
If the door was locked, locking knob : will
move up.
When you open a door, the door window on
that side lowers slightly. Once you close the
door, the door window moves up again.
! A door window will not work if it is blocked
with ice or if the vehicle battery is
discharged. If you cannot shut a door, do
not force it or you could damage the door
or the door window. Fix whatever is 70
Locking and unlockingControls in detail
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G
Warning!
Batteries contain poisonous and corrosive
substances. Therefore, keep the batteries out
of reach of children.
If a battery is swallowed, seek medical help
immediately. G
Warning!
SmartKey batteries contain perchlorate
material, which may require special handling
and regard for the environment. Check with
your local government’s disposal guidelines.
California residents, see www.dtsc.ca.gov/
HazardousWaste/Perchlorate/
index.cfm.
Batteries contain materials that can harm the
environment if disposed of improperly.
Recycling of batteries is the preferred method
of disposal. Many states (USA only) or
provinces (Canada only) require sellers of
batteries to accept old batteries for recycling.
When inserting the batteries, make sure they
are clean and free of lint.
When replacing batteries, always replace
both batteries.
i The required replacement batteries are
available at any authorized Mercedes-Benz
Center.
Replacement batteries: Lithium, type
CR 2025 or equivalent.
X Remove the mechanical key from the
SmartKey (Y page 261). SmartKey
X
Press mechanical key ; into the SmartKey
opening until battery compartment
cover : opens. Do not keep the cover
shut. X
Remove the battery compartment cover.
X Pat the SmartKey against the palm of your
hand until battery = falls out.
X Insert the new battery with the positive
terminal (+) facing up. Use a lint-free cloth.
X Insert the tabs of the battery compartment
cover into the housing and press the cover
closed.
X Slide mechanical key : back into the
SmartKey.
X Check the operation of the SmartKey. Replacing SmartKey batteries
265Practical hints
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