2008 MERCEDES-BENZ GL550 lumbar support

Contents
Safety and Security........................... 73
Occupant safety................................... 74
Air bags .......................................... 76
Occupant Classification System ..... 81
Seat belts ....................................... 86
Active head restraint ...................... 90
Rear head restraints ....................... 91
Children in the vehicle .................... 91
Blocking of rear door
window operation ........................... 98
Panic alarm ........................................ 100
Activating ..................................... 100
Deactivating ................................. 100
Driving safety systems ....................... 101
ABS .............................................. 101
BAS .............................................. 103
ESP
®............................................. 103
EBP............................................... 107
4-ETS ............................................ 107
Anti-theft systems.............................. 109
Immobilizer................................... 109
Anti-theft alarm system ................ 109
Controls in detail............................. 111
Locking and unlocking ....................... 112
SmartKey ..................................... 112
SmartKey with KEYLESS-GO* ...... 115
Checking the batteries in the
SmartKey or SmartKey with
KEYLESS-GO* .............................. 120
Loss of the SmartKey or
SmartKey with KEYLESS-GO* ...... 120
Opening the doors
from the inside ............................. 120
Tailgate/Power tailgate*.............. 121
Automatic central locking ............ 128
Locking and unlocking
from the inside ............................. 128
Seats ................................................. 130
Easy-entry/exit feature for
third-row seats ............................. 130
Front seat active head restraints . 133
Rear seats .................................... 133
Lumbar support............................ 137
Multicontour seat* ....................... 138
Seat heating* ............................... 138
Seat ventilation* .......................... 140Memory function* ............................. 141
Storing positions into memory ..... 142
Recalling positions from memory. 142
Lighting ............................................. 143
Exterior lamp switch .................... 143
Combination switch ..................... 147
Corner-illuminating
front fog lamps*........................... 147
Hazard warning flasher ................ 149
Interior lighting ............................ 149
Door entry lamps ......................... 151
Cargo compartment lamp ............ 151
Instrument cluster ............................. 152
Adjusting instrument
cluster illumination ...................... 153
Resetting trip odometer ............... 153
Tachometer.................................. 153
Outside temperature indicator ..... 153
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137 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 305).
Installing
Second-row seat:
Fold the seat backrest forward
(
page 134).
Third-row seat:
Fold the seat backrest forward
(
page 305).
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 135).
Second-row seat:
Fold the seat backrest rearward until it
engages.
Third-row seat:
Fold the seat backrest rearward
(
page 305).
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.
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138 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
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572 Index
Automatic climate control (3-zone)* 228
Air conditioning refrigerant 563
Air conditioning, Cooling 239, 240
Air distribution, Front 234
Air distribution, Rear 243
Air recirculation mode 237
Air vents*, second-row seats 245
Air vents*, third-row seats 245
Air vents, Front 234
Air volume 235
Control panel, Front 230
Control panel, Rear 241
Deactivating system 232
Defogging 235
Defrosting 235
Maximum cooling, MAXCOOL 237
Rear passenger compartment 241
Rear window defroster 212
Residual engine heat (REST) 241
Using driver-side settings for
all temperature zones 240Automatic headlamp mode 144
Automatic lighting control, Interior
lighting 150
Automatic locking when driving 128
Automatic transmission 56
Accelerator position 195
Emergency operation
(limp-home mode) 200
Gear ranges 197
Gear selector lever 56, 189
Gear selector lever position 192
Gear shifting malfunctions 200
Hill start assist system 196
Kickdown 196
Shifting procedure 192
Starting the engine 56
Steering wheel gearshift control 198
Towing a trailer 197
Transmission fluid level 381
Transmission positions 193
Automatic Transmission Fluid see ATFB
Backrest
Seat 46
Seat, Lumbar support 137
Seat, Multicontour* 138
Backup lamps
Messages in the multifunction
display 477
Replacing bulbs 511
Bar 416
BAS 103
Lamps in instrument cluster 436
Messages in the multifunction
display 451
Batteries, SmartKey
Check lamp 112, 115
Checking battery condition 120
Messages in the multifunction
display 466
Replacing 502
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583 Index
Lighter see Cigarette lighter (Depending
on vehicle configuration)
Lighting, Exterior and interior 143
Limp-Home Mode 200, 439, 440
Loading see Vehicle loading
Locator lighting 146, 176
Lock buttons, KEYLESS-GO*
Outside door handle 71
Locking the vehicle see Key
Loss of keys, Mechanical key 120
Loss of keys, SmartKey 120
Loss of keys, SmartKey with
KEYLESS-GO* 120
Loss of Service and Warranty Information
Booklet 549
Low beam headlamps
Messages in the multifunction
display 479
Replacing bulbs 505
Switching on 61, 143
LOW RANGE mode* 201
Messages in the multifunction
display 488
Lubricants 562
Lumbar support 137M
Main dimensions 560
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)* 237
Maximum load rating, Tires 417
Maximum loaded vehicle weight,
Tires 417
MB Tex upholstery, Cleaning and
care of 434
Mechanical key 496Memory 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 51
Auto-dimming rear view
mirrors* 208
Exterior rear view mirror 51
Interior rear view mirror 51, 208
MON 375, 565
Multicontour seat* 138
Multifunction display 155
Changing settings see Control system
menus and Control system sub-
menus
Displaying current gear range 197
Selecting display 173
Selecting language 172
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588 Index
Seat belts 86
Children in the vehicle 91
Cleaning 433
Fastening 53
Height adjustment 55
Messages in the multifunction
display 443
Proper use of 55, 88
Safety guidelines 78
Telltale 29, 86, 442
Warning lamp 442, 443
Seat cushion depth see Seats
Seat heating* see Seats
Seat ventilation* see Seats
Seating capacity 389
Seats 45, 130
Adjusting 45
Cushion depth, Multicontour
seat* 138
Easy entry/exit feature for
third-row seats 130
Emergency exit for
third-row seats 132
Heating* 138
Lumbar support 137Memory function* 141
Multicontour seat* 138
Second-row, Folding 306
Third-row, Folding electrically 305,
308
Ventilation* 140
Securing cargo 302
Cargo tie-down rings 302
Hooks 304
Selector lever see Gear selector lever
Self-test
Lamps in the instrument cluster 436
OCS* 86
Tele Aid 332
Vehicle battery 528
Service and warranty information 10
Service intervals see Maintenance, Service
indicator
Service life
Tires 385
Service see Maintenance
Service system see Maintenance System
Service, Parts 548Settings
Adaptive Damping System
(ADS)* 278
Air suspension 278
Clock 174
Comfort functions* 181
Control system menus 158, 160
Control system submenus 159, 161,
171
Date 161, 171, 174
Daytime running lamp mode 175
Factory, SmartKey 114
Factory, SmartKey with
KEYLESS-GO* 118
Individual, Vehicle 168
Instrument cluster 172
Language, multifunction display 172,
173
Lighting 175
Memory function* 141
Resetting all, Control system 169
Selective, SmartKey 114
Selective, SmartKey with
KEYLESS-GO* 119
Time 174
Vehicle configuration 182
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