stop start MERCEDES-BENZ GL450 2010 X164 Owner's Manual
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sufficient severity to deploy the driver front
air bag
42 indicator lamp : will be
illuminated, except with the SmartKey
removed from the starter switch or with the
starter switch in position 0.
GWarning!
If the red SRS indicator lamp + in the
instrument cluster and the 42
indicator lamp are lit at the same time, there
is a malfunction in the OCS. The front
passenger front air bag will be deactivated in
this case. Have the system checked by
qualified technicians as soon as possible.
Contact an authorized Mercedes-Benz
Center.
Only have the seat repaired or replaced at an
authorized Mercedes-Benz Center.
In order to ensure proper operation of the air
bag system and OCS:
RDo not place more than 4.4 lb (2 kg) into
the parcel net on the back of the front
passenger seat. Otherwise, the OCS may
not be able to properly approximate the
occupant weight category.
RDo not place objects under and/or around
the front passenger seat.
RDo not hang anything from or attach any
items to the seats.
RDo not stuff objects such as books between
the front passenger seat and the center
console or front passenger door.
RDo not move the front passenger seat
backwards against stiff objects.
RSit with the seat belt properly fastened in a
position that is as upright as possible with
your back against the seat backrest.
RWhile seated, an occupant should not
position him/herself in such a way as to
cause the occupant’s weight to be lifted
from the seat bottom as this may result in
the OCS being unable to correctly
approximate the occupant’s weight
category.
RRead and observe all warnings in this
chapter.
OCS Self-test
After turning the SmartKey in the starter
switch to position 1 or 2 or pressing the
KEYLESS-GO start/stop button once or
twice, the 42 indicator lamp
illuminates. If an adult occupant is properly
sitting on the front passenger seat and the
system classifies the occupant as an adult,
the 42 indicator lamp will
illuminate and go out after approximately
6 seconds.
If the seat is not occupied and the system
classifies the front passenger seat as being
empty, the 42 indicator lamp
will illuminate and not go out.
GWarning!
If the 42 indicator lamp does not
illuminate, the system is not functioning. You
must contact an authorized Mercedes-Benz
Center before seating any child on the front
passenger seat.
For more information, see the “Practical
hints” section (Y page 322).
GWarning!
Never place anything between seat cushion
and child seat (e.g. pillow), since it reduces
the effectiveness of the OCS. The bottom and
back of the child seat must make full contact
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A child in a rear-facing child restraint on the
front passenger seat will be seriously
injured or even killed if the front passenger
front air bag inflates.
RIf you have to place a child in a forward-
facing child restraint on the front passenger
seat, move the seat as far back as possible,
use the proper child restraint
recommended for the age, size and weight
of the child, and secure child restraint with
the vehicle’s seat belt according to the child
seat manufacturer’s instructions.
GWarning!
When using a BabySmart™ compatible child
seat on the front passenger seat, the front
passenger front air bag will not deploy only if
the 42 indicator lamp remains
illuminated.
Please be sure to check the 42
indicator lamp every time you use a
BabySmart™ compatible child seat on the
front passenger seat. Should the
42 indicator lamp go out while
the restraint is installed, please check
installation. If the 42 indicator
lamp remains out, do not use the
BabySmart™ restraint to transport a child on
the front passenger seat until the system has
been repaired.
Special BabySmart™ compatible child seats,
designed for use with the Mercedes-Benz
system, are required for use with the
BabySmart™ air bag deactivation system.
Please contact an authorized Mercedes-Benz
Center for information on availability. With
the special child seat installed properly, the
front passenger front air bag will not deploy.
The 42 indicator lamp : will be
illuminated, except with the SmartKey
removed from the starter switch or with the
starter switch in position 0.
The system does not deactivate
Rthe side impact air bag
Rthe window curtain air bag
Rthe Emergency Tensioning Device (ETD)
Self-test BabySmart™ without special
child seat installed
After turning the SmartKey in the starter
switch to position 1 or 2 or pressing the
KEYLESS-GO start/stop button once or
twice, the 42 indicator lamp
comes on for approximately 6 seconds and
then goes out.
If the 42 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.
More information can be found in the
“Practical hints” section (Y page 322).
GWarning!
Do not place powered-on laptops, mobile
phones, electronic tags such as those used in
ski passes and like electronic devices on the
front passenger seat. Signals from such
devices may interfere with the BabySmart™
air bag deactivation system. Such signal
interference may cause the 42
indicator lamp not to come on during self-test.
The SRS indicator lamp + and/or the
42 indicator lamp could be
continuously lit, indicating that the system is
not functioning. The front passenger front air
bag could deploy inadvertently or fail to
deploy in an accident.
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If you and/or your passenger release the
seat belt during driving, the seat belt
telltale 7 starts flashing and the
warning chime sounds as described before.
If the driver’s or the front passenger’s seat
belt remains unfastened after 60 seconds,
the warning chime stops sounding, the seat
belt telltale 7 stops flashing but
continues to be illuminated.
After a vehicle standstill, the warning chime
is reactivated and the seat belt telltale
7 is flashing again if the vehicle speed
once exceeds 15 mph (25 km/h).
The seat belt telltale 7 will only go out if
both the driver’s and the front passenger’s
seat belt (with the front passenger seat
occupied) are fastened, or the vehicle is
standing still and a front door is opened.
For more information, see “Practical hints”
( Y page 317).
Emergency Tensioning Device (ETD),
seat belt force limiter
The seat belts for the front seats and second
row outer seats are equipped with ETDs and
seat belt force limiters. The seat belts for the
third-row seats are equipped with ETDs.
The ETDs are designed to activate in the
following cases:
R in frontal or rear-end impacts exceeding
the system’s preset deployment threshold
R in side impacts exceeding the system’s
preset deployment threshold on the far
side of the impact
R in certain vehicle rollovers
R if the restraint systems are operational and
functioning correctly, see “SRS indicator
lamp” ( Y page 36)
The ETDs for the front seats will only activate
if the front seat belts are fastened (latch plate
properly inserted into buckle).
The ETDs for the rear outer seats (second-row
seats) or rear seats (third-row seats) will
activate with or without the respective seat
belts fastened.
In an impact, the ETDs remove slack from the
seat belts in such a way that the seat belts fit
more snugly against the body. Seat belt force
limiters, when activated, are employed to
help reduce the peak force exerted by the
seat belts on occupants during a crash.
i The ETDs do not correct an incorrect seat
position or incorrectly worn seat belts.
The ETDs do not pull occupants back
toward the seat backrest.GWarning!
Pyrotechnic ETDs that were activated must be
replaced.
For your safety, when disposing of the
pyrotechnic ETDs always follow our safety
instructions. These are available at any
authorized Mercedes-Benz Center.
The PRE-SAFE ®
system has electrically
operated reversible pre-tensioners that do
not require replacement after activation.
Preventive occupant safety (PRE-
SAFE ®
)
GWarning!
The PRE-SAFE ®
system is intended to reduce
the effects of an accident on vehicle
occupants who are wearing their seat belt
properly. Despite your vehicle being equipped
with the PRE-SAFE ®
system, the possibility of
personal injuries occurring as a result of an
accident cannot be eliminated. Therefore,
always drive carefully and adjust your driving
to the prevailing road, weather, and traffic
conditions.
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The rear door windows can no longer be
operated using the respective switch
located in the rear doors.
You can still operate the rear door windows
using the switches located on the door
control panel of the driver’s door.
XDeactivating: Press override switch :
again.
The switch disengages from its recessed
position back to its original position.
The rear door windows can be operated
again using the respective switch located
in the rear doors.
For more information on power windows, see
the “Controls in detail” section
(Y page 105).
Panic alarm
Example illustration: SmartKey with KEYLESS-GO
XActivating: Press and hold !
button : for at least 1 second.
An audible alarm and flashing exterior
lamps will operate briefly.
XDeactivating: Press ! button : again.
or
XInsert the SmartKey into the starter switch.
or
XPress the KEYLESS-GO start/stop button.
The SmartKey with KEYLESS-GO must be
inside the vehicle.
iUSA 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.
iCanada only:
This device complies with RSS-210 of
Industry Canada. Operation is subject to
the following two conditions:
1.This device may not cause interference,
and
2. this device must accept any
interference received, including
interference that may cause undesired
operation of the device.
Any unauthorized modification to this
device could void the user’s authority to
operate the equipment.
Driving safety systems
Introduction
This section contains information about the
following driving safety systems:
RABS (Antilock Brake System)
RBAS (Brake Assist System)
REBP (Electronic Brake Proportioning)
RESP® (Electronic Stability Program)
iIn winter operation, the maximum
effectiveness of most of the driving
systems described in this section is only
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GWarning!
Never switch off the ESP®
when you see the
ESP ®
warning lamp d flashing in the
instrument cluster. In this case proceed as
follows:
R When driving off, apply as little throttle as
possible.
R While driving, ease up on the accelerator
pedal.
R Adapt your speed and driving style to the
prevailing road conditions.
Failure to observe these guidelines could
cause the vehicle to skid. The ESP ®
cannot
prevent accidents resulting from excessive
speed.
! Only conduct operational or performance
tests on a two-axle dynamometer. If such
tests are necessary, contact an authorized
Mercedes-Benz Center. You could
otherwise seriously damage the brake
system or the transfer case which is not
covered by the Mercedes-Benz Limited
Warranty.
! Because the ESP ®
operates
automatically, the engine and ignition must
be shut off (SmartKey in starter switch
position 0 or 1 or KEYLESS-GO start/stop
button in position 0 or 1) when the parking
brake is being tested on a brake test
dynamometer. Such testing should be no
longer than 10 seconds.
Active braking action through the ESP ®
may otherwise seriously damage the brake
system which is not covered by the
Mercedes-Benz Limited Warranty.
! The ESP ®
will only function properly if you
use wheels of the recommended tire size
as specified in the “Technical data” section
of this Operator’s Manual.
i The Distronic system and cruise control
switch off automatically when the ESP ®
engages.
Electronic Traction System (4-ETS) GObserve Safety notes, see page 62.
The 4-ETS (four-wheel Electronic Traction
System) is a component of the ESP ®
. The
4-ETS improves the vehicle’s ability to utilize
available traction, especially under slippery
road conditions by applying the brakes to a
spinning wheel. In addition, more power is
transferred to the wheel(s) with traction.
When you switch off the ESP ®
, the 4-ETS is
still enabled.
XIf conditions require, switch on the off-road
driving program ( Y page 158) or the LOW
RANGE mode ( Y page 119).
Off-road 4-ETS
With the off-road driving program switched on
( Y page 158), or the transmission in LOW
RANGE mode ( Y page 120), the 4-ETS
designed for off-road use is activated
automatically.
Switching off the ESP ®
GWarning!
The ESP
®
should not be switched off during
normal driving other than in the
circumstances described below. Disabling
the system will reduce vehicle stability in
driving maneuvers.
Do not switch off the ESP ®
when a spare
wheel is mounted.
To improve the vehicle’s traction, switch off
the ESP ®
. This allows the drive wheels to spin
and thus cut into surfaces for better grip, for
example
R when driving with snow chains
R in deep snow
R in sand or gravel
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XArming: Lock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash three times to
indicate that the vehicle is locked. Indicator
lamp : flashes to indicate that the alarm
system is armed.
iIf the turn signal lamps do not flash three
times, a door or the tailgate may not be
properly closed.
Close the respective element.
XDisarming: Unlock the vehicle with the
SmartKey or with KEYLESS-GO.
The turn signal lamps flash once to indicate
that the alarm system is disarmed.
iUnless you open a door or the tailgate
within approximately 40 seconds after
unlocking the vehicle:
RThe vehicle will be locked again.
RThe anti-theft alarm system will be
rearmed.
Canceling the alarm
To cancel the alarm, do one of the following:
XInsert the SmartKey into the starter switch.XPress button % or & on the
SmartKey.
In vehicles with KEYLESS-GO:
XGrasp an outside door handle.The SmartKey must be within 3 ft (1 m) of
the vehicle.
XPress the KEYLESS-GO start/stop button.
The SmartKey must be inside the vehicle.
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Important notes on using KEYLESS-GO
RYou can also use the SmartKey with
KEYLESS-GO like a normal SmartKey
( Y page 70).
R You can combine KEYLESS-GO functions
with normal SmartKey functions (e.g.
unlocking with KEYLESS-GO and locking
with button &).
R Always carry the SmartKey with you.
R Never store the SmartKey together with:
- Electronic items such as a mobile phone
or another SmartKey
- Metallic objects such as coins or metal
foil
Doing so could impair the function of the
KEYLESS-GO system.
R To lock or unlock the vehicle, the SmartKey
must be located outside the vehicle within
approximately 3 ft (1 m) of a door or the
tailgate.
R When the vehicle has been parked for more
than 72 hours, the KEYLESS-GO function is
deactivated. Pull an outside door handle
and switch on the ignition once to activate
the KEYLESS-GO function.
R If the SmartKey is positioned farther away
from the vehicle, the system may no longer
recognize the SmartKey. The vehicle
cannot be locked or the engine started via
the KEYLESS-GO system.
R If the SmartKey is removed from the vehicle
(e.g. if a passenger exits the vehicle with
the SmartKey)
- when pressing the KEYLESS-GO start/
stop button or trying to lock the vehicle
with the lock button on an outside door
handle the message Key Not
Detected appears in the multifunction
display
- with the engine running, the red message
Key Not Detected appears in the
multifunction display while driving off
Find the SmartKey or change its present
location immediately (e.g. place it on the
front passenger seat or insert it in shirt
pocket).
R If you have started the engine with the
KEYLESS-GO start/stop button, you can
turn it off again by
- pressing the KEYLESS-GO start/stop
button
- inserting the SmartKey into the starter
switch when the vehicle is at a standstill
and the automatic transmission is in park
position P
R The vehicle could be inadvertently
unlocked if the SmartKey is within 3 ft (1 m)
of the vehicle and
- an outside door handle is splashed with
water
or
- you attempt to clean an outside door
handle
R Remember that the engine can be started
by anyone with a SmartKey that is left
inside the vehicle.
Possibility 1 (One SmartKey in the vehicle,
one SmartKey outside the vehicle):
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 XGlobal unlocking: Grasp an outside door
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-pressing the tailgate closing switch
-pressing the KEYLESS-GO locking/
closing switch
Notes for operating the tailgate with the
SmartKey:
You can also open, close, and stop the
tailgate by pressing button F on the
SmartKey.
The prerequisites for this are:RNo SmartKey is inserted in the starter
switch.
RKEYLESS-GO: The vehicle’s on-board
electronics must have status 0
(Y page 80).
Opening the tailgate from the outside
You can unlock and open the tailgate
simultaneously from the outside when the
vehicle is stationary.
XPress and hold button F on the
SmartKey until the tailgate unlocks and
begins to open.
While the tailgate is opening, an acoustic
warning sounds.
or
XVehicles with KEYLESS-GO: Pull on the
handle (Y page 75).
Closing the tailgate from the outside
GObserve Safety notes, see page 55.GWarning!
Monitor the closing procedure carefully to
make sure no one is in danger of being
injured. To prevent possible personal injury,
always keep hands and fingers away from the
cargo compartment opening when closing the
tailgate. Be especially careful when small
children are around. To stop the closing
procedure, do one of the following:
RPress or pull the remote tailgate opening/
closing switch on the driver’s door.
RPress the tailgate closing switch.
RPress the KEYLESS-GO locking/closing
switch.
RPull outside handle on the tailgate.
RWhen no SmartKey is inserted in the starter
switch (vehicles with KEYLESS-GO: Make
sure the vehicle’s on-board electronics
have status 0): Press button F on the
SmartKey.
Do not leave the SmartKey in the vehicle. You
may lock yourself out.
If the vehicle was previously centrally locked
with the SmartKey or KEYLESS-GO, the
tailgate will lock automatically when it is
closed. The turn signal lamps flash three
times to confirm locking.
Vehicles without KEYLESS-GO
Vehicles with KEYLESS-GO
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XPress tailgate closing switch : or press
and hold button F on the SmartKey until
the tailgate begins to close.
If the tailgate comes into contact with an
object while closing, the closing procedure is
stopped and the tailgate reopens. This may
happen if luggage has been piled too high, for
example.
Closing the tailgate and locking the
vehicle from the outside (vehicles with
KEYLESS-GO)
GObserve Safety notes, see page 55.GWarning!
Monitor the closing procedure carefully to
make sure no one is in danger of being
injured. To prevent possible personal injury,
always keep hands and fingers away from the
cargo compartment opening when closing the
tailgate. Be especially careful when small
children are around. To stop the closing
procedure, do one of the following:
RPress or pull the remote tailgate opening/
closing switch on the driver’s door.
RPress the tailgate closing switch.
RPress the KEYLESS-GO locking/closing
switch.
RPull outside handle on the tailgate.
RWhen no SmartKey is inserted in the starter
switch (vehicles with KEYLESS-GO: Make
sure the vehicle’s on-board electronics
have status 0): Press button F on the
SmartKey.
You can close the tailgate and lock the vehicle
simultaneously from the outside using the
KEYLESS-GO locking/closing switch.
XMake sure you have the SmartKey with you.XPress KEYLESS-GO locking/closing
switch : briefly.
The tailgate closes.
Once the tailgate and all doors are closed:
RThe vehicle locks.
RThe turn signals flash three times to
confirm locking.
RThe locking knobs in the doors move
down.
RThe anti-theft alarm system is armed.
If the tailgate comes into contact with an
object while closing, the closing procedure is
stopped and the tailgate reopens. This may
happen if luggage has been piled too high, for
example.
The closing process is stopped if the system
cannot recognize a SmartKey with KEYLESS-
GO anymore. Make sure the SmartKey with
KEYLESS-GO is within approximately 3 ft
(1 m) of the tailgate. Repeat the closing
procedure if necessary.
The tailgate remains unlocked when a
SmartKey with KEYLESS-GO is recognized
inside the vehicle to prevent a possible
inadvertent lockout. In this case, the turn
signals will not flash and the anti-theft alarm
will be triggered when the tailgate is opened.
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Opening/closing the tailgate from the
inside
Opening
GObserve Safety notes, see page 76.GWarning!
Maintain sight of the area around the rear of
the vehicle while operating the tailgate with
the door-mounted remote tailgate switch.
Monitor the opening procedure carefully to
make sure no one is in danger of being
injured.
To interrupt the opening procedure, press or
pull the door-mounted remote tailgate switch.
When the SmartKey is not inserted in the
starter switch (vehicles with KEYLESS-GO:
Make sure the vehicle’s on-board electronics
have status 0): Press button F on the
SmartKey.
You can unlock and open the tailgate
simultaneously from the driver’s seat when
the vehicle is stationary.
XPull remote tailgate opening/closing
switch : until the tailgate begins to open.
While the tailgate is opening, an acoustic
warning sounds.
Closing
GObserve Safety notes, see page 55.GWarning!
Maintain sight of the area around the rear of
the vehicle while operating the tailgate with
the door-mounted remote tailgate switch.
Monitor the closing procedure carefully to
make sure no one is in danger of being
injured.
To interrupt the closing procedure, press or
pull the door-mounted remote tailgate switch.
If the tailgate comes into contact with an
object while closing, the closing procedure is
stopped and the tailgate reopens. This may
happen if luggage has been piled too high, for
example.
XTurn the SmartKey in the starter switch to
position 1 or 2.
XPress remote tailgate opening/closing
switch : until the tailgate begins to close.
While the tailgate is closing an acoustic
warning sounds.
XInterrupting the closing procedure:
Press or pull remote tailgate opening/
closing switch :.
Limiting opening height of tailgate
You can limit the opening height of the
tailgate in the upper opening range. This can
be useful, for example, when the space above
the tailgate is not sufficient.
Activating
XOpen the tailgate: Pull on handle
(Y page 75) or press and hold button
F on the SmartKey until the tailgate
opens.
XStop opening procedure: When the
tailgate is in the desired position, press
tailgate closing switch (Y page 78) or pull
on handle once more.
XYou can also press or pull the remote
tailgate opening/closing switch
(Y page 79) to stop the opening procedure.
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