2008 MERCEDES-BENZ GL450 Front seats

501 Practical hints
Resetting activated head restraints
Firmly press the active head restraint
cushion backward towards the head
restraint cover in direction of arrow
until it engages.
Repeat this procedure on the active
head restraint for the second front
seat.
After resetting the active head
restraints store reset tool1 in the
Mercedes-Benz vehicle literature
pouch.
For information on active head restraints,
see “Active head restraint” (
page 90).
For information on head restraint adjust-
ment, see “Seats” (
page 45).
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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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574 Index
Children in the vehicle 91
Air bags 77, 91
Blocking rear door window
operation 98
Indicator lamp, Front passenger front
air bag 85
Infant and child restraint systems 86,
92
LATCH-type child seat anchors 95
Occupant Classification System
(OCS) 81
Cigarette lighter
(Depending on vehicle
configuration) 323
Climate control 214
Air conditioning refrigerant 563
Air conditioning, Cooling 224, 225
Air distribution, Front 219
Air distribution, rear 227
Air recirculation mode 222
Air vents*, second-row seats 220
Air vents, Front 220
Air volume 220
Control panel*, Rear 226
Control panel, Front 216
Deactivating system 218Defogging 222
Defrosting 221
Rear window defroster 212
Residual engine heat (REST) 225
Clock 27, 174
Cloth upholstery, Cleaning and
care of 434
Cockpit 24
Cockpit Management and Data System
see COMAND System
Cold tire inflation pressure 416
Collapsible wheel chock 494
COMAND System see separate operating
instructions
Combination switch 61, 62, 64, 147
Compass 344
Adjustment 178
Calibration 179
Calling up the compass 344
Control and operation of radio
transmitters 370
Control system 155
Multifunction display 155
Multifunction steering wheel 156
Resetting to factory default 169Control system menus 155
AUDIO 164
DISTRONIC* (Canada only) 167
NAV* 166
Off-road 166
Settings 168
Standard display 162
TEL* 186
Trip computer 184
Vehicle configuration 182
Vehicle status message memory 167
Control system submenus 159, 161, 171
Comfort* 181
Instrument cluster 172, 173
Lighting 175
Time/Date 174
Vehicle 178
Coolant 381, 567
Anticorrosion/antifreeze mixing ratio
and quantity 568
Capacities 562
Checking coolant level 376, 381
Messages in the multifunction
display 470, 472
Temperature 372
Temperature display 162
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579 Index
Fuel consumption statistics
Since last reset 185
Since start 184
Fuel filler flap 374
Locking/unlocking 374
Opening 374
Opening in an emergency 497
Fuel tank
Capacity 563
Filler flap 374
Fuels, coolants, lubricants etc. 562
Fuses 543
Fuse box in cargo compartment 544
Fuse box in engine compartment 544
Fuse box in passenger
compartment 545
Fuse chart 490
Replacing 543G
Garage door opener 338
Gasoline see Fuel
GAWR 416
Gear range
Automatic transmission 189, 197
Limiting 197
Shifting into optimal 199
Gear selector lever 25, 56, 189
Cleaning 433
Gearshift pattern for automatic
transmission 189
Messages in the multifunction
display 459
Position indicator 192, 197
Transmission position 192
Global locking/unlocking see Key,
SmartKey
Glove box 315
Good visibility 208Gross Axle Weight Rating see GAWR
Gross Trailer Weight see GTW
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GTW 416
GVW 416
GVWR 416
H
Halogen headlamp see Headlamps
Hands-free microphone 34
Hard plastic trim items, cleaning 433
Hazard warning flasher 149
Head restraints 46, 133
Active head restraint 90, 133
Front seats, Adjusting 46
Rear seats 91
Rear seats, Adjusting 135
Rear seats, Removing and
installing 136
Headlamp aim
Adjusting 514
Headlamp cleaning system* 208, 383
Reservoir capacity 563
Headlamp shut-off delay see Delayed
shut-off, Exterior lamps
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586 Index
Plastic and rubber parts, cleaning 432
Poly-V-belt drive
Layout (GL 320 CDI) 552
Layout (GL 450, GL 550) 552
Positions (Memory function*) see Seats
Pounds per square inch see PSI
Power assistance 348
Power outlets 324
Power seat see Seats, Power
Power tilt/sliding sunroof* 251
Convenience closing feature 250
Opening/closing 251
Stopping 250
Summer opening feature 249
Synchronizing 253
Power washer 426Power windows 246
Cleaning 431
Convenience closing feature 250
Door windows 247
Hinged quarter windows* 248
Opening/closing 246
Rear door windows, Blocking
operation 98
Summer opening feature 249
Synchronizing, Door windows 249
Practical hints 490
Premium unleaded gasoline 565
Problems
While driving 65
With starting see Starting difficulties
With the vehicle 18
Product information 9
Production options weight 417
PSI 417
Push-starting see Tow-startingQ
Quarter windows* see Power windows
R
Radio
AUDIO menu, Control system 164
Selecting station 164
Selecting station (satellite*) 164
Radio transmitters 370
Range (distance to empty) 185
Range of the sensors
Parktronic* 289
Reading lamp, front 149
Reading lamp, second-row 151
Rear automatic climate control 241, 244
Rear center console ashtray see Ashtrays
(Depending on vehicle configuration)
Rear climate control* 226
Rear door windows
Blocking operation 98
Rear fog lamp see Fog lamps
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589 Index
Vehicle level control 279
Shifting
Automatic transmission 56, 189
Side impact air bags 80
Side marker lamps
Cleaning lenses 429
Messages in the multifunction
display 480
Replacing bulbs 510, 513
Side windows see Power windows
Sidewall 417
SmartKey see Key, SmartKey
SmartKey see Key, SmartKey with
KEYLESS-GO*
Snow chains 421
Snow tires see Winter tires
Spare wheel 494
Mounting 520
Wheel bolts 492, 525
Speed settings
Cruise control 257
Distronic* 266
Speedometer 27, 263Spinning see Tires, Direction of rotation
SRS 88
Indicator lamp 29, 446
Messages in the multifunction
display 446
Standing lamps 143
Replacing bulbs 504, 505, 509, 511,
513
Standing water, Driving through 360
Starter switch 25, 42
Positions 42
Starting difficulties, Engine 59
Starting, Engine 56
Steep terrain, Driving 358
Steering column 49, 50
Steering wheel 48
Adjustment, Electrically* 50
Adjustment, Manually 49
Buttons 30, 156
Cleaning 433
Steering wheel gearshift control,
Automatic transmission 198
Stolen Vehicle Recovery services 338Storage compartments 36, 315
Cup holder 320
Cup holders 320
Door pockets 36
Front center console 317
Glove box 315
Parcel net, Front passenger
footwell 319
Parcel nets, Front seat backrest 319
Rear seats, In front of 318
Storage/telephone* compartment
Armrest, Front 317
Storing tires 386
Stranded vehicle 542
Submenus see Control system submenus
Sun visors 210
Sunroof see Power tilt/sliding sunroof*
Sunshade
Rear panorama roof 212
Suspension tuning see Air suspension
program
Symbols used in this Operator’s
Manual 16
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