Page 46 of 350

43 Antitheft alarm system
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Antitheft alarm system
1Indicator lamp in switch located in center console
The antitheft alarm is automatically armed or disarmed
with the remote control by locking or unlocking the
vehicle.
The antitheft alarm is armed within approximately
15 seconds after locking the vehicle.
A blinking lamp (1) indicates that the alarm is armed.Operation:
Once the alarm system has been armed, the exterior
vehicle lamps will flash and an alarm will sound when
someone:
•opens a door,
•opens the trunk,
•opens the hood,
•attempts to raise the vehicle.
The alarm will last approximately 3 minutes in form of
flashing exterior lamps. At the same time an alarm will
sound for 30 seconds. The alarm will stay on even if the
activating element (a door, for example) is immediately
closed. If the alarm stays on for more than 20 seconds,
an emergency call is initiated automatically. See Tele
Aid on page 178.
Notes:
When you unlock the driver’s door with the mechanical
key, the exterior lamps will flash and the alarm will
sound.
To cancel the alarm, insert the electronic key in the
steering lock or press buttonŒ or‹ on the
electronic key.
1
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Page 48 of 350

45 Seats
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Power seats front
To operate the front power seat adjustment switches,
turn electronic key in steering lock to position 1 or 2
(with the driver’s or front passenger’s door open, the
power seats can also be operated with the electronic key
removed or in steering lock position 0).
Wa r n i n g !
Do not adjust the driver’s seat while driving.
Adjusting the seat while driving could cause the
driver to lose control of the vehicle.Never ride in a moving vehicle with the backrest
reclined. Sitting in an excessively reclined position
can be dangerous. You could slide under the seat
belt in a collision. If you slide under it, the belt
would apply force at the abdomen or neck. That
could cause serious or even fatal injuries. The
backrest and seat belt provide the best restraint
when the wearer is in an upright position and the
belt properly positioned on the body.Never place hands under seat or near any moving
parts while a seat is being adjusted.
When leaving the vehicle always remove the
electronic key from the steering lock, and lock
your vehicle.The power seats can also be operated with the
driver’s or front passenger door open. Do not leave
children unattended in the vehicle or with access
to an unlocked vehicle. Unsupervised use of
vehicle equipment may cause serious personal
injury.
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Page 66 of 350

63 Restraint systems
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Unfastening of seat belts
Push the release button (3) in the belt buckle (2).
Allow t he retractor to completely rewind t he seat belt by
guiding the latch plate (1).
Operation
The inertia reel stops the belt from unwinding during
sudden vehicle stops or when quickly pulling on the
belt. The locking function of the reel may be checked by
quickly pulling out the belt.
Wa r n i n g !
USE SEAT BELTS PROPERLY.• Seat belts can only work when used properly.
Never wear seat belts in any other way than as
described in this section, as that could result
in serious injuries in case of an accident.• Each occupant should wear their seat belt at all
times, because seat belts help reduce the
likelihood of and potential severity of injuries
in accidents, including rollovers. The
integrated restraint system includes “SRS”
(driver airbag, front passenger airbag, front
and rear door mounted side impact airbags,
head protection window curtain airbags for
side windows), “ETR” (seat belt emergency
tensioning retractors), and front seat knee
bolsters. The system is designed to enhance
the protection offered to properly belted
occ upan ts in c erta i n fron tal (front ai rb ags ) a nd
side (side impact and window curtain airbags)
impacts which exceed preset deployment
thresholds.
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Page 69 of 350

66 Restraint systems
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
BabySmart
TM airbag deactivation system
Special BabySmart
TM compatible child seats, designed
for use with the Mercedes-Benz system and available at
any authorized Mercedes-Benz Center are required for
use with the BabySmart
TM airbag deactivation system.
With the special child seat properly installed, the
passenger front airbag will not deploy. The 7
indicator lamp located on the center console will be
illuminated, except with electronic key removed or in
steering lock position 0. The system does not deactivate
the door mounted side impact airbag and the window
airbag.
Self-test BabySmart
TM
without special child seat installed
After turning electronic key in steering lock to
position 1 or 2, the 7 indicator lamp located on the
center console comes on for approximately 6 seconds
and then extinguishes.
If the indicator lamp should not come on or is
continuously lit, the system is not functioning. You
must see an authorized Mercedes-Benz Center before
seating any child on the front passenger seat.BabySmart
TM is a trademark of Siemens Automotive Corp.
Wa r n i n g !
The BabySmart
TM airbag deactivation system will
ONLY work with a special child seat designed to
operate with it. It will not work with child seats
which are not BabySmart
TM compatible.
Never place anything between seat cushion and
child seat (e.g. pillow), since it reduces the
effectiveness of the deactivation system.The
bottom of the child seat must make full contact
with the passenger seat cushion. An incorrectly
mounted child seat could cause injuries to the
child in case of ar accident instead of protecting
the child.Follow the manufacturer’s instructions for
installation of special child seats.The passenger front airbag will not deploy only if
the 7 indicator lamp remains illuminated.Please be sure to check the indicator every time
you use the special system child seat.
Should the light go out while the restraint is
installed, please check installation. If the light
remains out, do not use the BabySmart
TM restraint
to transport children on the front passenger seat
until the system has been repaired.
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Page 72 of 350

69 Restraint systems
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Airbags
1Driver airbag
2Front passenger airbagThe most effective occupant restraint system yet
developed for use in production vehicles is the seat belt.
In some cases, however, the protective effect of a seat
belt can be further enhanced by an airbag.
In conjunction with wearing the seat belts, the driver
and front passenger airbags can provide increased
protection for the driver and front passenger in certain
frontal impacts exceeding preset thresholds.
Door mounted side impact and head protection window
curtain airbags can provide increased protection to
belted outboard occupants on the impacted side of the
vehicle in side impacts exceeding its preset threshold.
The operational readiness of the airbag system is
verified by the indicator lamp “SRS” in the instrument
cluster when turning the electronic key in steering lock
to position 1 or 2. If no fault is detected, the lamp will go
out after approximately 4 seconds; after the lamp goes
out, the system continues to monitor the components
and circuitry of the airbag system and will indicate a
malfunction by coming on again. If the lamp does not
come on at all or if it fails to extinguish after
approximately 4 seconds or if it comes on thereafter, a
malfunction in the system has been detected.
2
1
P91.60-2248-27
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Page 84 of 350
81 Steering wheel adjustment
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Steering wheel adjustment
Turn electronic key in steering lock to position 1 or 2
(with the driver’s or front passenger’s door open, the
steering wheel can also be operated with the electronic
key removed or in steering lock position 0).
To lengthen or shorten the steering column, push
switch forward or backward.
To raise or lower steering wheel, push switch up or
down.Note:
The steering wheel position can be stored in memory
together with the seat / head restraint / exterior rear
view mirror positions, see page 48.
P46.00-2010-26
Wa r n i n g !
Do not adjust the steering wheel while driving.
Adjusting the steering wheel while driving could
cause the driver to lose control of the vehicle.
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Page 92 of 350
89 Instrument cluster
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index Activating instrument cluster display
The instrument cluster is activated by:
•Opening the door.
•Pressing buttonJ, VorWon the instrument
cluster.
•Turning the electronic key in steering lock to
position 1 or 2.
•Switching on the exterior lamps.Instrument cluster illumination
Activating the instrument cluster.
PressVorWbutton to vary intensity of instrument
lamps.
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Page 157 of 350
154 Interior equipment
Technical
data Instruments
and controlsOperationDrivingInstrument
cluster displayPractical hints Car care Index
Power windows
Power window switches located on center console
Switches for:
1left, front
2left, rear
3right, front
4right, rear
5Switch for rear door window overridePower window switches located in rear doors
6Individual switches (rear doors)
Turn electronic key in steering lock to position 1 or 2.
Press switch in to resistance point:
kto open
jto close
Release switch when window is in desired position.
152
43
P54.25-2119-26
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