lumbar support MERCEDES-BENZ GL320CDI 2007 X164 Owner's Manual

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

139 Controls in detail
Seats
Push release button2 and pull out
head restraint.
Second-row seat:
Fold the seat backrest rearward until it
engages.
Third-row seat:
Fold the seat backrest rearward
(
page 307).
Installing
Second-row seat:
Fold the seat backrest forward
(
page 136).
Third-row seat:
Fold the seat backrest forward
(
page 307).
Insert head restraint1 into openings
on the seat backrest.
Push head restraint1 down until it au-
dibly engages.
Push release button2 and adjust
head restraint1 to the desired posi-
tion (
page 137).
Second-row seat:
Fold the seat backrest rearward until it
engages.
Third-row seat:
Fold the seat backrest rearward
(
page 307).
For more information on seats, see the
“Getting started” section (
page 45).
Lumbar support
The curvature of the driver’s seat can be
adjusted to help enhance lower back sup-
port and seating comfort.
The lever for lumbar support adjustment is
located on the right hand side of the
driver’s seat backrest.1Adjustment lever
Move adjustment lever1 in direction
of arrows until you have reached a
comfortable seating position.

140 Controls in detail
Seats
Multicontour seat*
The multicontour seat has an extendable
seat cushion and inflatable air chambers
built into the backrest to provide additional
lumbar and side support.
The seat cushion depth, seat backrest
cushion-height and curvature can be con-
tinuously varied with switches on the in-
side of each front seat base after the
ignition is switched on (
page 41).
1Seat cushion depth
2Backrest side bolsters
3Backrest center
4Backrest bottom
Switch on the ignition (page 42).
Seat cushion depth
Adjust the seat cushion depth to the
length of your upper leg with
switch1.
Backrest contour
Adjust the contour of the seat backrest
to the desired position with
switchæ orç.
Move the backrest support to the bot-
tom with button4 or to the center
with button3.
Backrest side bolsters
Adjust the side bolsters so that they
provide good lateral support using
switch2.
Seat heating*
The switches for front-seat heating are lo-
cated in the center console.
1Seat heating switch, front seats
2Indicator lamps

570 Index
Automatic climate control (3-zone)* 230
Air conditioning refrigerant 561
Air conditioning, Cooling 241
Air distribution, Front 236
Air distribution, Rear 245
Air recirculation mode 239
Air vents*, second-row seats 246
Air vents*, third-row seats 247
Air vents, Front 236
Air volume 237
Control panel, Front 232
Control panel, Rear 243
Deactivating system 234
Defogging 237
Defrosting 237
Maximum cooling, MAXCOOL 239
Rear passenger compartment 243
Rear window defroster 215
Residual engine heat (REST) 242
Using driver-side settings for
all temperature zones 242Automatic headlamp mode 146
Automatic lighting control,
Interior lighting 152
Automatic locking when driving 130
Automatic transmission 58
Accelerator position 198
Emergency operation
(limp-home mode) 202
Gear ranges 200
Gear selector lever 58, 192
Gear selector lever position 195
Gear shifting malfunctions 202
Hill start assist system 199
Kickdown 198
Shifting procedure 195
Starting the engine 57
Steering wheel gearshift control 201
Towing a trailer 200
Transmission fluid level 382
Transmission positions 196
Automatic Transmission Fluid see ATFB
BabySmartTM
Air bag deactivation system 87, 450
Self-test 87
Backrest
Seat 46
Seat, Lumbar support 139
Seat, Multicontour* 140
Backup lamps
Messages in the
multifunction display 481
Replacing bulbs 515
Bar 416
BAS 105
Lamps in instrument cluster 436
Messages in the
multifunction display 453
Basic cross bars* 297
Batteries, SmartKey
Check lamp 114, 117
Checking battery condition 122
Messages in the
multifunction display 469
Replacing 506

581 Index
Lighting, Exterior and interior 145
Limp-Home Mode 202, 439, 440
Loading see Vehicle loading
Locator lighting 148, 179
Lock buttons, KEYLESS-GO*
Outside door handle 72
Locking the vehicle see Key
Loss of keys, Mechanical key 122
Loss of keys, SmartKey 122
Loss of keys, SmartKey with
KEYLESS-GO* 122
Loss of Service and Warranty Information
Booklet 549
Low beam headlamps
Messages in the
multifunction display 483
Replacing bulbs 509
Switching on 62, 145
LOW RANGE mode* 203
Messages in the
multifunction display 493, 494
Lubricants 560
Lumbar support 139M
Main dimensions 558
Maintenance 12, 422
Calling up service indicator
display 424
Clearing service indicator
message 423
Maintenance System 422
Resetting service indicator 424
Service indicator message 422
Service term exceeded 423
Maintenance System 422
Manual headlamp mode see Headlamps
Maximum cooling, MAXCOOL* see
Automatic climate control
(3-zone)* 239
Maximum load rating, Tires 417
Maximum loaded vehicle weight,
Tires 417
MB Tex upholstery, Cleaning and
care of 434
Mechanical key 500Memory function* see Seats
Menus see Control system menus
Messages in display see Multifunction
display messages
Microphone, Hands-free 34
Minispare wheel see Spare wheel
Mirrors
Adjusting 52
Auto-dimming rear view
mirrors* 211
Exterior rear view mirror 52
Interior rear view mirror 52, 210
MON 376, 563
Multicontour seat* 140
Multifunction display 157
Changing settings see Control system
menus and Control system sub-
menus
Displaying current gear range 200
Selecting display 175
Selecting language 174

586 Index
Seat belts 88
Children in the vehicle 93
Cleaning 433
Fastening 54
Height adjustment 56
Messages in the
multifunction display 443, 444
Proper use of 56, 90
Safety guidelines 78
Telltale 29, 88, 443
Warning lamp 444
Seat cushion depth see Seats
Seat heating* see Seats
Seat ventilation* see Seats
Seating capacity 390
Seats 45, 132
Adjusting 45
Cushion depth, Multicontour
seat* 140
Easy entry/exit feature for
third-row seats 132
Emergency exit for
third-row seats 134
Heating* 140
Lumbar support 139Memory function* 143
Multicontour seat* 140
Second-row, Folding 308
Third-row, Folding electrically 307,
310
Ventilation* 142
Securing cargo 304
Cargo tie-down rings 304
Hooks 306
Selector lever see Gear selector lever
Self-test
BabySmart
TM air bag deactivation
system 87
Lamps in the instrument cluster 436
OCS* 86
Tele Aid 333
Vehicle battery 530
Service and warranty information 10
Service intervals see Maintenance, Service
indicator
Service life
Tires 386
Service see Maintenance
Service system see Maintenance System
Service, Parts 548Settings
Adaptive Damping System
(ADS)* 280
Air suspension 280
Clock 176
Comfort functions* 184
Control system menus 160, 162
Control system submenus 161, 163,
173
Date 163, 173, 176
Daytime running lamp mode 178
Factory, SmartKey 116
Factory, SmartKey with
KEYLESS-GO* 120
Individual, Vehicle 170
Instrument cluster 174
Language, multifunction display 174,
175
Lighting 178
Memory function* 144
Resetting all, Control system 171
Selective, SmartKey 116
Selective, SmartKey with
KEYLESS-GO* 121
Time 176
Vehicle configuration 185