bulb MERCEDES-BENZ GL450 2008 X164 Owner's Guide

514 Practical hints
Replacing bulbs
License plate lamp
1License plate lamp cover
2Screws
Loosen screws2.
Remove license plate lamp cover1.
Replace the tubular bulb.
Reinstall license plate lamp cover1.
Retighten screws2.
Adjusting headlamp aim
VVertical centerline
HHeadlamp mounting height, measured
from the centerCorrect headlamp adjustment is extremely
important. To check and readjust a head-
lamp, follow the steps described:
Park the vehicle on a level surface
25 feet (7.6 m) from a vertical test
screen or wall.
Switch the headlamps on
(
page 143).
If the beam does not show a beam pattern
as indicated in the figure left, then follow
the steps below:
Open hood (page 378).
iHigh beam adjustments simultaneously aim
the low beam.
Vehicle should have a normal tailgate load.
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515 Practical hints
Replacing bulbs
Example illustration headlamp, driver’s side
2Headlamp vertical adjustment screw
3Headlamp vertical adjustment screw
Always turn adjustment screws2
and3 simultaneously for vertical ad-
justment until the headlamp is adjust-
ed as shown1 (
page 514). Turn
clockwise for upward movement and
counterclockwise for downward move-
ment.
Graduations:
screw2:0.50° pitch
screw3:0.67° pitch
The left and right headlamps must be ad-
justed individually.
iIf it is not possible to obtain a proper head-
lamp adjustment, have the system checked at an
authorized Mercedes-Benz Light Truck Center.
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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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573 Index
Battery, Vehicle 528
Charging 535
Disconnecting and connecting 530
Jump starting 536
Removing and installing 530
Bead 416
Beverage holder see Cup holder
Bi-Xenon headlamps* see headlamps
Bolts, Spare wheel 494
Brake fluid 564
Checking 376
Messages in the multifunction
display 469
Brake lamp
Cleaning lenses 429
Messages in the multifunction
display 477
Replacing bulbs 511
Brake pads 348
Messages in the multifunction
display 467
Brakes 348
Warning lamp 437
Break-in period 346
Bulbs, replacing see Replacing bulbsButton for Voice control* system 30,
156
C
California retail buyers and lessees,
Important notice for 11
Camera see Rear view camera*
Can holder see Cup holder
Capacities and recommended
fuel/lubricants 562
Card holder 33, 37, 320
Cargo compartment cover blind 310
Cargo net* 312
Cargo tie-down rings 302
Carpets, Cleaning 433
Carriers* 295
Catalytic converter
(gasoline engine) 371
CD changer 165, 315
CD player 165
Center console
Lower part 33
Upper part (Vehicles with
enhanced off-road package*) 32
Upper part (Vehicles without
enhanced off-road package*) 31Central locking
Automatic 128
Locking/unlocking from the
inside 128
Switch 128
Certification label 550
CHECK ENGINE malfunction indicator
lamp 439, 440
Checking tire pressure electronically with
the Advanced Tire Pressure Monitoring
System (Advanced TPMS)*,
(Canada only) 401
Checking tire pressure electronically with
the Tire Pressure Monitoring System
(TPMS), (USA only) 398
Checklist
Off-road driving 357
Returning from off-road driving 363
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575 Index
Corner-illuminating front fog lamps* 147
Messages in the multifunction
display 478
Replacing bulbs 510
Crossbars* 295
Crossing obstacles 361
Cruise control 255
Activating 257
Messages in the multifunction
display 452
Cup holders 320
Cleaning 321
Front center console 321
Front center console,
Removing/Installing 321
Rear armrest 320
Curb weight 416
D
Date display, Setting 174
Daytime running lamp mode 145
Setting 175
Deep water see Standing water
Defogging windshield 221, 235
Defrosting, Front 221, 235
Defrosting, Rear 212Delayed shut-off
Exterior lamps 176
Interior lighting 177
Department of Transportation see DOT
Diesel engine
Preglow indicator lamp 29
Differential locks* 204
A few words about 204
Messages in the multifunction
display 488
Switching 205
Difficulties
While driving 65
While starting 59
Digital clock see Clock
Digital speedometer 155, 163
Dimensions, Vehicle 560
Direction of rotation (tires) 387
Displays
Digital speedometer 155, 163
Distronic* 263
Maintenance service indicator 422
Messages in the multifunction
display 449
Multifunction display 155Outside temperature 155, 163
Selecting 173
Symbol messages 466
Text messages 451
Vehicle status message 168, 449
Vehicle system settings, Control
system 159, 161, 168
Distance to empty (range), Trip
Computer 184
Distronic* 260
Activating 266
Cleaning system sensor 430
Control system 264
Deactivating 268
Distance warning function* 272
Distance warning function*
activating/deactivating 183
Driving hints 270
Messages in the multifunction
display 453
Sensor cover 430
Warning and indicator lamps 263
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578 Index
ETD 89, 446
Safety guidelines 78
Expanding cargo compartment 304
Exterior rear view mirrors 51, 208
Folding 210
Power folding* 209
Synchronizing 209
F
Fastening the seat belts 53
Filler neck, Engine oil 381
First aid kit 490
Flat tire 519
Lifting the vehicle 520
Lowering the vehicle 526
Minispare wheel 494
Mounting the spare wheel 520
Preparing the vehicle 520
Floormats 325Fluids
Automatic transmission fluid 381,
562
Brake fluid 377, 563, 564
Capacities 562
Engine coolant 377, 381, 563, 567
Engine oil 380, 562, 564
Power steering fluid 562
Windshield washer and headlamp
cleaning system* 377, 569
Fog lamps 146
Corner-illuminating front fog
lamps* 147
Messages in the multifunction
display 478
Rear fog lamp 146
Replacing bulbs 510
4-ETS 107
Off-road - 4-ETS 108
Front air bags 79
Front defroster 221, 235
Front lamps see Headlamps
Front passenger front air bag 74, 79
Messages in the multifunction
display 460, 461, 462, 463Front passenger front air bag off indicator
lamp 31, 32, 85
Front seat head restraints see
Head restraints
Front towing eye 540
Fuel 375, 563
Additives 566
Capacities, Fuel tank 563
Consumption statistics 184, 185
Filling the tank 374
Fuel filler flap and cap 374, 497
Fuel gauge 29
Fuel tank reserve warning lamp 29,
446
Premium unleaded gasoline 375,
563, 565
Requirements, Octane rating 565
Fuel cap
Messages in the multifunction
display 474
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580 Index
Headlamps
Automatic headlamp mode 144
Bi-Xenon* 477, 508
Cleaning lenses 429
Cleaning system* 208, 383
Halogen 507
High beam see High beam flasher
High beam see High beam headlamps
Light sensor, Messages in the
multifunction display 477
Low beam see Low beam headlamps
Manual headlamp mode 144
Messages in the multifunction
display 477, 478, 479, 480, 481,
482
Replacing bulbs 504, 505
Switch 61, 143
Heated seats see Seat heating*
Heated steering wheel* 327
Height adjustment
Vehicle level control (Vehicles with Air
suspension program) 281
Vehicle level control (Vehicles with
enhanced Off-road Package*) 283High beam flasher 61, 147
High beam headlamps
Indicator lamp 29
Messages in the multifunction
display 478
Replacing bulbs 505, 507, 508
Switching on 61, 147
High mounted brake lamp 505
Hill start assist system 196
Hinged quarter windows* see
Power windows
Hood 378
Messages in the multifunction
display 474
Opening 378
Hooks
Loading 304
Horn 25
HVAC see Climate control or
automatic climate control (3-zone)*
Hydroplaning 352I
Identification labels see Labels
Ignition 42, 44, 57
Immobilizer 109
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* 344
Inside door handle 120
Instrument cluster 26, 28, 152
Illumination brightness 153
Lamps 436
Messages in display see Multifunction
display messages
Multifunction display 155
Outside temperature indicator 153
Selecting language 172
Instrument lighting see Instrument cluster,
Illumination brightness
Instrument panel see Instrument cluster
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582 Index
Kickdown 196
Kilopascal 416
L
Labels 550
Certification 550
Emission control information 551
Engine number 551
Paintwork code 550
Vehicle Identification Number
(VIN) 550
Lamp sensor see Light sensor
Lamps, exterior 505
Front 505
Light sensor, Messages in the
multifunction display 477
Messages in display 477
Messages in the multifunction
display 477, 479, 481
Rear 505
Switch 143Lamps, indicator and warning
ABS 27, 436
Adaptive Damping System
(ADS)* 279
Alarm system 110
Battery (SmartKey with
KEYLESS-GO*) 119
Battery (SmartKey) 114
Brakes 27, 437, 438
Center console 31, 32, 447
CHECK ENGINE 29, 439, 440
Differential locks* 205
Distance warning lamp* 263
Downhill Speed Regulation 274
Engine diagnostics 29, 439, 440
ESP
®27, 441
Fog lamps, Front/rear 143
Front passenger front air bag off 31,
32, 80
Fuel reserve 29, 446
High beam headlamps 29
Instrument cluster 26, 28, 436, 437,
438, 439, 440, 441, 442, 443, 444,
446
Off-road driving program 278
Parktronic* 290Preglow indicator, Diesel engine 29
Seat belt telltale 29, 89, 442
Seat belts 443
Seat heating* 138
Seat ventilation* 140
SRS 29, 74, 89, 446
Turn signals 27
Vehicle level control 281, 283
Language, Setting 172
LATCH-type child seat anchors see
Children in the vehicle
Layout of poly-V-belt drive
(GL 320 CDI) 552
Layout of poly-V-belt drive
(GL 450, GL 550) 552
Leather upholstery*, Cleaning and care
of 434
Lever for cruise control 255
License plate lamps 514
Messages in the multifunction
display 479
Replacing bulbs 505, 514
Light alloy wheels, Cleaning 432
Light sensor
Messages in the multifunction
display 477
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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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585 Index
Off-road - 4-ETS 108
Off-road - ABS 102
Off-road - ESP
®106
Off-road driving
Checklist 357, 363
Crossing obstacles 361
Driving instructions for off-road
driving 355
Driving through water 360
Returning 363
Rules 356
Special driving features 356
Steep terrain 358
Off-road driving program (Vehicles without
enhanced off-road package*) 277
Oil level see Engine oil, Checking level
One-touch gearshifting 199
Operating safety 17
Operator’s Manual 10
Ornamental moldings, Cleaning 429
Outside temperature see Displays
Overdue maintenance service term 423
Overhead control panel 34
Oxidation catalyst (diesel engine) 371P
Paintwork code 550
Paintwork, Cleaning 426
Panic alarm 100
Panorama roof, Rear 212
Parcel net
Front passenger footwell 319
Front seat backrests 319
Parking 67, 350
On hills 67
Over things that burn, Potential
consequences 67, 371
Parking brake 59, 67
Lamps, Indicator and warning 437
Messages in the multifunction
display 468
Releasing 59
Parking lamps 505
Messages in the multifunction
display 480
Replacing bulbs 509
Parking position*
Exterior rear view mirrors 182, 209Parktronic* 31, 32, 288
Cleaning system sensors 430
Minimum distance 290
Range 289
Switching on/off 291
System malfunction 292
System sensors 289
System sensors, Cleaning 430
Warning indicators 25, 290
Parts service 548
PASS AIR BAG OFF indicator lamp see
Front passenger front air bag off
indicator lamp
Passenger compartment 370
Fuse box 545
Interior lighting 149
Interior rear view mirror 34
Parcel net in front passenger
footwell 319
Passenger safety see Occupant safety
Pedals 347
Phone see Telephone*
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