2007 MERCEDES-BENZ GL320CDI immobilizer

Contents
Safety and Security........................... 73
Occupant safety................................... 74
Air bags .......................................... 76
Occupant Classification System* ... 81
BabySmart
TM air bag deactivation
system (Canada only) ..................... 87
Seat belts ....................................... 88
Active head restraint ...................... 92
Rear head restraints ....................... 93
Children in the vehicle .................... 93
Blocking of rear door
window operation ......................... 100
Panic alarm ........................................ 102
Activating ..................................... 102
Deactivating ................................. 102
Driving safety systems ....................... 103
ABS .............................................. 103
BAS .............................................. 105
ESP
®............................................. 105
EBP............................................... 109
4-ETS ............................................ 109
Anti-theft systems.............................. 111
Immobilizer................................... 111
Anti-theft alarm system ................ 111
Controls in detail............................. 113
Locking and unlocking ....................... 114
SmartKey ..................................... 114
SmartKey with KEYLESS-GO* ...... 117
Checking batteries in the
SmartKey or SmartKey with
KEYLESS-GO* .............................. 122
Loss of the SmartKey or
SmartKey with KEYLESS-GO* ...... 122
Opening the doors
from the inside ............................. 122
Tailgate/Power tailgate*.............. 123
Automatic central locking ............ 130
Locking and unlocking
from the inside ............................. 130
Seats ................................................. 132
Easy-entry/exit feature for
third-row seats ............................. 132
Front seat active head restraints . 135
Rear seats .................................... 135
Lumbar support............................ 139
Multicontour seat* ....................... 140
Seat heating* ............................... 140
Seat ventilation* .......................... 142Memory function* ............................. 143
Storing positions into memory ..... 144
Recalling positions from memory . 144
Lighting ............................................. 145
Exterior lamp switch .................... 145
Combination switch ..................... 149
Corner-illuminating
front fog lamps*........................... 150
Hazard warning flasher ................ 151
Interior lighting ............................ 151
Door entry lamps ......................... 154
Cargo compartment lamp ............ 154
Instrument cluster ............................. 155
Adjusting instrument
cluster illumination ...................... 155
Resetting trip odometer ............... 156
Tachometer .................................. 156
Outside temperature indicator ..... 156

70 Getting started
Parking and locking
Turning off with the SmartKey
Turn the SmartKey in the starter switch
to position0 (
page 41).
Remove the SmartKey from the starter
switch.
The immobilizer is activated.Turning off with KEYLESS-GO*
Press the KEYLESS-GO start/stop
button (
page 43) to turn off the
engine.
With the driver’s door closed, the start-
er switch is now in position1. With the
driver’s door opened, the starter switch
is set to position0, same as SmartKey
removed from starter switch
(
page 41).If you have started the engine with the
KEYLESS-GO start/stop button and can-
not turn it off as described above:
Remove the KEYLESS-GO start/stop
button from the starter switch.
Insert the SmartKey with KEYLESS-GO
into the starter switch.
The engine turns off. The starter switch
is in position0 (
page 41).
!Observe instructions when taking the
vehicle through an automatic conveyor type
car wash (
page 428).
!If you turn off the engine using the
SmartKey and remove the SmartKey from the
starter switch, the transmission will shift to
positionP automatically. Keep in mind that
turning off the engine with the SmartKey alone
will not automatically shift the transmission to
positionP.iIn an emergency you can turn off the engine
while driving by pressing and holding the
KEYLESS-GO start/stop button for
approximately 3 seconds.
!If you turn off the engine using the
KEYLESS-GO start/stop button and open a front
door, the transmission will shift to positionP
automatically. Keep in mind that turning off the
engine using the KEYLESS-GO start/stop button
alone will not automatically shift the transmis-
sion to positionP.


111 Safety and Security
Anti-theft systems
Anti-theft systems
Immobilizer
The immobilizer prevents unauthorized
persons from starting your vehicle.
Activating
With the SmartKey
Remove the SmartKey from the starter
switch.
With KEYLESS-GO*
Press the KEYLESS-GO start/stop
button (
page 43) on the starter
switch once.
The engine is turned off.
Open the driver’s door.
Deactivating
With the SmartKey
Turn the SmartKey in the starter switch
to position2 (
page 41).With KEYLESS-GO*
Switch on the ignition (page 42).
Anti-theft alarm system
Once the alarm system has been armed, a
visual and audible alarm is triggered when
someone opens

a door

the tailgate

the hood
The alarm will stay on, even if the activat-
ing element (a door, for example) is imme-
diately closed.The alarm system will also be triggered
when

the vehicle is opened with the mechan-
ical key, see “Unlocking the vehicle”
(
page 500)

a door is opened from the inside, see
“Opening the doors from the inside”
(
page 122)
iStarting the engine will also deactivate the
immobilizer.
In case the engine cannot be started (yet the
vehicle’s battery is charged), the system is not
operational. Contact an authorized
Mercedes-Benz Light Truck Center or call
1-800-FOR-MERCedes (in the USA), or
1-800-387-0100 (in Canada).
iIf the alarm stays on for more than
30 seconds, a call to the Response Center is
initiated automatically by the Tele Aid system
(
page 332) provided that the Tele Aid service
was subscribed to and properly activated, and
that necessary cellular service and GPS cover-
age are available.

569 Index
A
ABS 103
Indicator lamp 436
Messages in the
multifunction display 453
Off-road - ABS 104
Accelerator position, automatic
transmission 198
Accessory weight 415
Accident 67
Active head restraint 92, 135, 504
Adaptive Damping System (ADS)* 280
Air bags 76
Children 77, 93
Front passenger front air bag off
indicator lamp 31, 32, 85
Front, Driver 79
Front, Passenger 79
Occupant Classification System*
(OCS) 81
Safety guidelines 78
Side impact (front and rear*) 80
Window curtain 80Air conditioning refrigerant 562
Air conditioning system see
Climate control or
Automatic climate control (3-zone)*
Air conditioning, Cooling 226, 241
Air distribution, Front 221, 236
Air distribution, Rear 229, 245
Air pressure see Tire inflation pressure
Air recirculation mode 224, 239
Air suspension package 280
Adaptive Damping System
(ADS)* 280
Messages in the
multifunction display 490
Vehicle level control 281
Air vents 229
Air vents*, Rear 246
Air vents, Front 222, 236
Air volume 222, 237
Alarm system see Anti-theft systems
Alignment bolt (vehicle tool kit) 496, 526
Anticorrosion/antifreeze 561, 566Antiglare, Interior rear view mirror 210
Antiglare, Rear view mirrors* 211
Antilock Brake System see ABS
Anti-theft systems 112
Anti-theft alarm system 111, 112
Immobilizer 111
Aquaplaning see Hydroplaning
Armrest storage compartments
Front 318
Ashtrays* 322
Aspect ratio 415
ATF 382
Attaching a trailer 368
Audio menu 166
CD operation 167
Radio operation 166
Satellite radio* operation
(USA only) 166
Auto-dimming*, Rear view mirrors 211
Automatic central locking,
Control system 183

578 Index
Headlamps
Automatic headlamp mode 146
Bi-Xenon* 481, 512
Cleaning lenses 429
Cleaning system* 210, 384
Halogen 511
High beam see High beam flasher
High beam see High beam headlamps
Light sensor, Messages in the
multifunction display 483
Low beam see Low beam headlamps
Manual headlamp mode 146
Messages in the
multifunction display 481, 482,
483, 484, 485, 486
Replacing bulbs 508, 509
Switch 62, 145
Heated seats see Seat heating*
Heated steering wheel* 328
Height adjustment
Vehicle level control
(Vehicles with Air suspension
package) 283
Vehicle level control
(Vehicles with enhanced Off-road
Package*) 285High beam flasher 63, 149
High beam headlamps
Indicator lamp 29
Messages in the
multifunction display 482
Replacing bulbs 509, 511, 512
Switching on 63, 149
High mounted brake lamp 509
Hill start assist system 199
Hinged quarter windows* see
Power windows
Hood 379
Messages in the
multifunction display 478
Opening 379
Hooks
Loading 306
Horn 25
HVAC see Climate control or
automatic climate control (3-zone)*
Hydroplaning 354I
Identification labels see Labels
Ignition 42, 44, 59
Immobilizer 111
Indicator lamps see Lamps, Indicator and
warning
Infant and child restraint systems see
Children in the vehicle
Inflation pressure see Tires,
Inflation pressures
Information button see Tele Aid
Infrared reflecting windshield* 345
Inside door handle 122
Instrument cluster 26, 28, 155
Illumination brightness 155
Lamps 436
Messages in display see Multifunction
display messages
Multifunction display 157
Outside temperature indicator 156
Selecting language 174
Instrument lighting see Instrument cluster,
Illumination brightness
Instrument panel see Instrument cluster