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31 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Locking and unlocking with remote control
Unlocking:
Press transmit button Œ. All turn signal lamps blink
once to indicate that the vehicle is unlocked.
The remote control can be programmed for two kinds of
unlocking modes (see below):
Selective unlocking mode –
Press transmit button Œ once to unlock driver’s door,
storage compartment in armrest, and fuel filler flap.
Press transmit button Œ twice to unlock both doors,
storage compartment in armrest, fuel filler flap, and
trunk.
Global unlocking mode –
Press transmit button Œ once to unlock both doors,
storage compartment in armrest, fuel filler flap, and
trunk.
Notes:
If the trunk was previously locked separately, it will
remain locked, see page 39.
The presently active unlocking mode (selective or
global) can only be determined by unlocking the vehicle
with the remote control (see below for changing mode).If within 40 seconds of unlocking with the remote
control, neither door is opened, the key is not inserted
in the steering lock, or the central locking switch is not
activated, the vehicle will automatically lock.
Locking:
Press transmit button ‹ once. All turn signal lamps
blink three times to indicate that the vehicle is locked.
Note:
If the vehicle cannot be locked or unlocked by pressing
the transmit button, then it may be necessary to change
the batteries in the remote control (if ok, battery check
lamp in transmitter will light briefly when transmitting)
or to synchronize the remote control, see page 251 and
page 252.
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32 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Choosing global or selective mode on remote control
Press and hold transmit buttons ‹ and Œ
simultaneously for five seconds to reprogram the
remote control. Battery check lamp will blink two times
indicating the completed mode change.Opening the trunk
Press the transmit button Š until the trunk lid is
open.
Important!
Do not place remote control in trunk since trunk is
locked when the lid is closed if the vehicle is centrally
locked.
Note:
If the trunk was previously locked separately, it will
remain locked. See page 39.
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33 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Panic button
To activate press and hold button (1) for at least one
second. An audible alarm and blinking exterior lamps
will operate for approximately 3 minutes.
To deactivate press button (1) again, or turn key in
steering lock to position 2.Note:
For operation in the USA only: This device complies
with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received,
including interference that may cause undesired
operation.
Any unauthorized modification to this device could void
the user’s authority to operate the equipment.
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34 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Start lock-out
Important!
Removing the key from the steering lock activates the
start lock-out. The engine cannot be started.
Turning the key in the steering lock to position 2
deactivates the start lock-out.
Note:
In case the engine cannot be started (vehicle’s battery is
in order), and Á and î are shown in the
odometer display field, the system is not operational.
Contact an authorized Mercedes-Benz Center or call 1-
800-FOR-MERCedes (in the USA), or 1-800-387-0100 (in
Canada).General notes on the central locking system
• If the key in the steering lock is in position 2, the
vehicle cannot be locked or unlocked with the
remote control.
If the vehicle cannot be locked or unlocked:
• Aim transmitter eye at a receiver of either door
handle and press button‹ orŒ.
• Check the batteries of the remote control,
see page 251.
• Synchronize the central locking system,
see page 252.
Page 39 of 297
35 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Doors
1Opening – pull handle
2Unl ock ing
3Locking
4Individual door from inside:
• Push lock button down to lock.
• Pull inside door handle to unlock.The entire vehicle may be locked or unlocked by either
using the master key in driver’s door or trunk locks, or
central locking switch located in center console. The
master key also locks or unlocks the storage
compartment in the armrest, and the fuel filler flap.
Note:
If the fuel filler f lap cannot be opened, see page 259.
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36 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
When you lock the vehicle, both door lock buttons
should move down. If any one stays up, the respective
door is not properly closed.
You should then unlock the vehicle, open and reclose
this door, and lock the vehicle again. Each individual
door can be locked with door lock button – the driver’s
door can only be locked when it is closed.
If the vehicle has previously been locked from the
outside, only the door being opened from the inside will
unlock, and the alarm will come on. The other door, the
trunk, the interior storage compartments, and fuel filler
flap remain locked.Notes:
In case of a malfunction in the central locking system
the doors can be locked and unlocked individually.
To lock, turn key in driver’s door lock to position 3 or
push down lock buttons.
To unlock, turn key in driver’s door lock to position 2 or
pull inside door handles.
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37 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Central locking switch
1Locking
2Unl ock ing
The central locking switch is located in the center
console.
The doors and trunk can only be locked with the central
locking switch, if both doors are closed.Notes:
If the vehicle was previously locked with the remote
control or key, the doors and trunk cannot be unlocked
with the central locking switch.
Opening a door with the inside door handle will cause
the alarm to come on. To switch the alarm off,
pressŒ button or insert key in steering lock and
turn it to position 1.
If the vehicle was previously locked with the central
locking switch, while in the selective remote control
mode, only the door opened from the inside is unlocked.
If the vehicle was previously locked with the central
locking switch , wh il e in th e global remote control mode,
the complete vehicle is unlocked when a door is opened
from the inside.
Note:
The storage compartment in the armrest as well as the
fuel filler f lap cannot be locked or unlocked with the
central locking switch.
12
P54.25-0314-26
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38 Central locking system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Automatic central locking
The central locking switch also operates the automatic
central locking.
Wit h th e automa tic central locking system activated, t he
doors and trunk are locked at vehicle speeds of approx.
9 mph (15 km/h) or more. The fuel filler f lap remains
unlocked.
To a ctiva te:
With key in steering lock position 2 hold upper portion
of switch (1) for a minimum of 5 seconds.
To dea cti vate :
With key in steering lock position 2 hold lower portion
of switch (2) for a minimum of 5 seconds.
Notes:
If doors are unlocked with the central locking switch
after activating the automatic central locking, and
neither door is opened, then the doors remain unlocked
even at vehicle speeds of approx. 9 mph (15 km/h) or
more.If a door is opened from the inside at speeds of approx.
9 mph (15 km/h) or less with the automatic central
locking activated, the door will again be automatically
locked at speeds of approx. 9 mph (15 km/h) or more.
Important!
When towing the vehicle, or with the vehicle on a
dynamometer test stand, please, note the following:
With the automatic central locking activated and the
key in steering lock position 2, the vehicle doors will
lock if the left front wheel as well as the right rear
wheel spin are turning at vehicle speeds of approx.
9 mph (15 km/h) or more.
To prevent the vehicle door locks from locking,
deactivate the automatic central locking.
Emergency unlocking in case of accident
The doors unlock automatically a short time after a
strong deceleration is detected, such as in a collision
(this is intended to aid rescue and exit). Driving on
rough roads may cause the vehicle to unlock. If
necessary, the vehicle can be locked again with the
interior central locking switch.