2007 MERCEDES-BENZ GL450 headlamp

539 Practical hints
Jump starting
The jump-start contacts are located in the
engine compartment.
1Negative (-) terminal
2Positive (+) terminal
3Positive terminal cover
Make sure the two vehicles do not
touch.
Turn off all electrical consumers.
Apply parking brake (page 68).
Set automatic transmission to
positionP (
page 194).
Open the hood (page 379).
Remove cover from negative
terminal1.
Flip up cover3 of positive terminal2
in direction of arrow.
1Negative terminal of discharged
battery
2Positive terminal of discharged battery
4Positive terminal of charged battery
5Negative terminal of charged battery
Connect positive terminal2 and4
with the jumper cable. Clamp cable to
charged battery4 first.
Start engine of the vehicle with the
charged battery and run at idle speed.
Connect negative terminals1 and5
of the batteries with the second jumper
cable. Clamp the cable to negative
terminal5 of the charged battery
first.
Start the engine of the disabled vehi-
cle.
You can now turn on the electrical consum-
ers. Do not switch on the headlamps under
any circumstances.
Remove the jumper cables first from
negative terminals1 and5 and then
from positive terminals2 and4.
You can now switch on the headlamps.
Have the battery checked at the near-
est authorized Mercedes-Benz Light
Truck Center.
Warning!G
Keep flames or sparks away from battery.
Do not smoke.
Observe all safety instructions and precau-
tions when handling automotive batteries
(
page 530).
!Never invert the terminal connections!

561 Technical data
Fuels, coolants, lubricants
ModelCapacityFuels, coolants, lubricants, etc.
Power steeringAll modelsapprox. 1.3 US qt (1.2 l)MB Power Steering Fluid or approved
Dexron III ATF
Front wheel hubsAll modelsapprox. 1.5 oz (43 g) eachHigh temperature roller bearing grease
Brake systemAll models-MB Brake Fluid (DOT 4+)
Cooling systemGL 320 CDIapprox. 10.0 US qt (9.5 l)MB Anticorrosion/Antifreeze
GL 450approx. 10.6 US qt (10.0 l)MB Anticorrosion/Antifreeze
Fuel Tank
including a reserve ofAll models26.4 US gal (100.0 l)
approx. 3.4 US gal (13.0 l)Gasoline engine:
Premium unleaded gasoline:
Minimum Posted Octane 91
(Avg. of 96 RON/86 MON)
Diesel engine:
ULTRA-LOW SULFUR DIESEL FUEL
(15 ppm SULFUR MAXIMUM)
Air conditioning systemAll models-R-134a refrigerant and special PAG lubricant oil
(never R-12)
Windshield washer system
and headlamp cleaning
system*All models8.1 US qt (7.7 l)MB Windshield Washer Concentrate1
1Use MB Windshield Washer Concentrate “MB SummerFit” and water for temperatures above freezing or MB Windshield Washer Concentrate “MB SummerFit” and
commercially available premixed windshield washer solvent/antifreeze for temperatures below freezing. Follow suggested mixing ratios (page 567).

567 Technical data
Fuels, coolants, lubricants
Windshield washer system and
headlamp cleaning system*
Both the windshield washer system and
headlamp cleaning system* are supplied
from the windshield washer reservoir.
The windshield washer reservoir has a ca-
pacity of approximately 8.1 US qt (7.7 l).
Refill the reservoir with MB Windshield
Washer Concentrate and water (or con-
centrate and commercially available
premixed windshield washer sol-
vent/antifreeze, depending on ambient
temperatures).Windshield and headlamp washer fluid
mixing ration
For temperatures above freezing point, use
MB Windshield Washer Concentrate
“MB SummerFit” and water:

1 part “MB SummerFit” to 100 parts
water
(1.34 fl oz [40 ml] “MB SummerFit” to
1gal [4.0l] water)
For temperatures below freezing point, use
MB Windshield Washer Concentrate
“MB SummerFit ” and commercially avail-
able premixed windshield washer
solvent/antifreeze:

1 part “MB SummerFit” to 100 parts
solvent
(1.34 fl oz [40 ml] “MB SummerFit” to
1 gal [4.0 l] solvent)Warning!G
Washer solvent/antifreeze is highly flamma-
ble. Do not spill washer solvent/antifreeze
on hot engine parts, because it may ignite
and burn. You could be seriously burned.

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

571 Index
Battery, Vehicle 530
Charging 537
Disconnecting and connecting 532
Jump starting 538
Removing and installing 532
Bead 416
Beverage holder see Cup holder
Bi-Xenon headlamps* see headlamps
Bolts, Spare wheel 499
Brake fluid 562
Checking 377
Messages in the
multifunction display 472
Brake lamp
Cleaning lenses 429
Messages in the
multifunction display 481
Replacing bulbs 515
Brake pads 350
Messages in the
multifunction display 470
Brakes 350
Warning lamp 437
Break-in period 348
Bulbs, replacing see Replacing bulbsButton for Voice control* system 30,
158
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 560
Card holder 33, 37, 321
Cargo compartment cover blind 312
Cargo net* 313
Cargo tie-down rings 304
Carpets, Cleaning 433
Carriers* 297
Catalytic converter
(gasoline engine) 373
CD changer 167, 316
CD player 167
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 130
Locking/unlocking from the
inside 130
Switch 130
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) 402
Checking tire pressure electronically with
the Tire Pressure Monitoring System
(TPMS), (USA only) 399
Checklist
Off-road driving 359
Returning from off-road driving 365

576 Index
ETD 91, 445
Safety guidelines 78
Expanding cargo compartment 306
Exterior rear view mirrors 52, 211
Folding 212
Power folding* 211
Synchronizing 212
F
Fastening the seat belts 54
Filler neck, Engine oil 382
First aid kit 495
Flat tire 523
Lifting the vehicle 524
Lowering the vehicle 528
Minispare wheel 499
Mounting the spare wheel 524
Preparing the vehicle 524
Floormats* 326Fluids
Automatic transmission fluid 382,
560
Brake fluid 378, 561, 562
Capacities 560
Engine coolant 378, 382, 561, 565
Engine oil 381, 560, 562
Power steering fluid 561
Windshield washer and headlamp
cleaning system* 378, 567
Fog lamps 148
Corner-illuminating
front fog lamps* 150
Messages in the
multifunction display 481
Rear fog lamp 149
Replacing bulbs 514
4-ETS 109
Off-road - 4-ETS 110
Front air bags 79
Front defroster 223, 237
Front lamps see Headlamps
Front passenger front air bag 74, 79
Messages in the multifunction
display 463, 464, 465, 466Front passenger front air bag off indicator
lamp 31, 32, 85
Front seat heat restraints see
Head restraints
Front towing eye 542
Fuel 376, 561
Additives 564
Capacities, Fuel tank 561
Consumption statistics 187, 188
Filling the tank 375
Fuel filler flap and cap 375, 501
Fuel gauge 29
Fuel tank reserve warning lamp 29,
442
Premium unleaded gasoline 376,
561, 563
Requirements, Octane rating 563
Fuel cap
Messages in the
multifunction display 478

577 Index
Fuel consumption statistics
Since last reset 188
Since start 187
Fuel filler flap 375
Locking/unlocking 375
Opening 375
Opening in an emergency 501
Fuel tank
Capacity 561
Filler flap 375
Fuels, coolants, lubricants etc. 560
Fuses 544
Fuse box in cargo compartment 545
Fuse box in engine compartment 545
Fuse box in passenger
compartment 546
Fuse chart 495, 544
Fuse extractor 495, 544
Replacing 544
Spare fuses 495, 544G
Garage door opener 339
Gasoline see Fuel
GAWR 416
Gear range
Automatic transmission 192, 200
Limiting 200
Shifting into optimal 202
Gear selector lever 25, 58, 192
Cleaning 433
Gearshift pattern for automatic
transmission 192
Messages in the
multifunction display 461
Position indicator 195, 200
Transmission position 195
Global locking/unlocking see Key,
SmartKey
Glove box 316
Good visibility 210Gross 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 151
Head restraints 46, 135
Active head restraint 92, 135
Front seats, Adjusting 46
Rear seats 93
Rear seats, Adjusting 137
Rear seats, Removing and
installing 138
Headlamp aim
Adjusting 518
Headlamp cleaning system* 210, 384
Reservoir capacity 561
Headlamp shut-off delay see Delayed
shut-off, Exterior lamps

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