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Locking and unlocking
79
If you leave the SmartKey behind when
exiting and locking the vehicle, no message
appears in the multifunction display.
Possibility 2 (One SmartKey in the vehicle,
no SmartKey outside the vehicle):
When exiting and trying to lock the vehicle,
the message Key Detected In Vehicle
appears in the multifunction display. The
vehicle will not be locked.
Factory setting
X
Global unlocking: Pull an outside door
handle.
The vehicle will lock again automatically
and rearm the anti-theft alarm system
within approximately 40 seconds if neither
door nor trunk is opened.
1
Outside door handle
X
Global locking: Touch outside of door
handle 1.
Selective setting
If you frequently travel alone, you may wish
to reprogram the SmartKey so when you pull
the driver’s outside door handle, only the
driver’s door and the fuel filler flap unlock.
X
Switching on/off: Press and hold buttons
k and j simultaneously for
approximately 6 seconds until battery
check lamp 4 (Y page 77) flashes twice.
The SmartKey will then function as follows:
X
Unlocking driver’s door and fuel filler
flap: Pull the driver’s outside door handle.
X
Global unlocking: Pull any outside door
handle other than the driver’s outside door
handle.
X
Global locking: Touch outside of door
handle 1.
Checking SmartKey batteries
X
Press button j or k on the
SmartKey.
Battery check lamp 4 (Y page 77) comes
on briefly to indicate that the SmartKey
batteries are in order.
If the battery check lamp does not come on
briefly during check, the SmartKey batteries
are discharged.
X
Replace the batteries (Y page 353).
i
You can obtain the required batteries at
any authorized Mercedes-Benz Center.
i
If the batteries are checked within signal
range of the vehicle, pressing button
j or k will lock or unlock the vehicle
accordingly.
Controls in detail
Z