2008 MERCEDES-BENZ GL320 parking

537 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 67).
Set automatic transmission to
positionP (
page 191).
Open the hood (page 378).
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 528).
!Never invert the terminal connections!
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539 Practical hints
Towing the vehicle
If you want the gear position to remain in
neutral positionN, observe the following
instructions.Vehicles with SmartKey:
With the vehicle at a standstill and the
ignition switched on shift the automatic
transmission to neutral positionN.
If engaged, release the parking brake
(
page 59).
Switch off the ignition and leave the
SmartKey in the starter switch.
Vehicles with KEYLESS-GO*:
With the vehicle at a standstill, depress
the brake pedal and keep it pressed.
With the ignition switched on shift the
automatic transmission to park
positionP.
Release the brake pedal.
Warning!G
With the engine not running, there is no
power assistance for the brake and steering
systems. In this case, it is important to keep
in mind that a considerably higher degree of
effort is necessary to brake and steer the
vehicle. Adapt your driving accordingly.
!When towing the vehicle with all wheels on
the ground, the automatic transmission must be
in neutral positionN.
If you turn off the engine

using the SmartKey and

remove the SmartKey from the starter
switch
or

open a front door

or when using the KEYLESS-GO* start/stop
button and open a front door
the automatic transmission will shift to park
positionP automatically.
Warning!G
When leaving the SmartKey or SmartKey
with KEYLESS-GO* in the starter switch, do
not leave children unattended in the vehicle.
It is possible for children to switch on the
ignition which could result in unsupervised
use of vehicle equipment.
A child’s unsupervised access to a vehicle
could result in an accident and/or serious
personal injury.

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540 Practical hints
Towing the vehicle
Remove the KEYLESS-GO* start/stop
button from the starter switch
(
page 43).
Insert the SmartKey with
KEYLESS-GO* into the starter switch.
Switch on the ignition.
Depress the brake pedal.
Shift the automatic transmission to
neutral positionN.
Release the brake pedal.
If engaged, release the parking brake
(
page 59).
Switch off the ignition and leave the
SmartKey with KEYLESS-GO* in the
starter switch.
Installing towing eye bolt
Depending on whether you are towing a
vehicle or you are being towed, the towing
eye bolt can be screwed into threaded
holes which are located behind covers on
the right-hand side of each bumper.
1Cover!Towing of the vehicle should only be done
using the properly installed towing eye bolt.
Never attach a tow cable, tow rope or tow rod to
the vehicle chassis, frame or suspension parts.
iTo signal turns while being towed with
hazard warning flasher in use, set the starter
switch to position2 and activate combination
switch for left or right turn signal in usual manner
– only the selected turn signal will operate.
Upon canceling the turn signal, the hazard warn-
ing flasher will operate again.

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543 Practical hints
Fuses
Fuses
The electrical fuses in your vehicle serve to
switch off malfunctioning power circuits.
If a fuse is blown, the components and sys-
tems secured by that fuse will stop operat-
ing.If a newly inserted fuse blows again, have
the cause determined and rectified by an
authorized Mercedes-Benz Light Truck
Center.
A fuse chart explains the fuse allocation
and fuse amperages. It is located in the
cargo compartment with the vehicle tool
kit (
page 490).
The electrical fuses are located in different
fuse boxes:

Fuse box in engine compartment
(
page 544)

Fuse box in cargo compartment
(
page 544)

Fuse box in passenger compartment
(
page 545)Before replacing fuses:
Apply parking brake (page 67).
Make sure the automatic transmission
is set toP (
page 191).
The gear position indicator in the multi-
function display should be on
P.
Turn off all electrical consumers.
Turn off the engine (page 41).
Remove the SmartKey from the starter
switch.
Vehicles with KEYLESS-GO*:
Open the driver’s door (this puts
the starter switch in position0,
same as with the SmartKey re-
moved from the starter switch). The
driver’s door then can be closed
again.
Warning!G
Only use fuses approved by Mercedes-Benz
with the specified amperage for the system
in question and do not attempt to repair or
bridge a blown fuse. Using other than ap-
proved fuses or using repaired or bridged
fuses may cause an overload leading to a
fire, and/or cause damage to electrical
components and/or systems. Have the
cause determined and remedied by an au-
thorized Mercedes-Benz Light Truck Center.
iA blown fuse must be replaced by an appro-
priate spare fuse (recognizable by its color or the
fuse rating given on the fuse) of the amperage
recommended in the fuse chart. Any
Mercedes-Benz Light Truck Center will be glad to
advise you on this subject.
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584 Index
Multifunction display messages 449
ABS 451
ABS, ESP
®451
Air suspension 486
Air suspension program 486
Brake fluid 469
Brake lamps 477
Brake pads 467
Coolant 472
Corner-illuminating front fog
lamps* 478
Cruise control 452
Distronic* 453
Doors 474
Downhill Speed Regulation 467
EBP 468
Engine coolant 470, 472
ESP
®441
Fog lamps, Front 478
Fog lamps, Rear 480
Front passenger front air bag 460,
461, 462, 463
Fuel cap 474
Headlamps 477, 478, 480, 482
Hood 474Key, SmartKey 476
Key, SmartKey with
KEYLESS-GO* 475, 476
Lamps 477, 478, 479, 480, 482
Low tire pressure 464, 484, 485
Parking brake 468
Parking lamps 480
Tele Aid 483
Telephone* 483
Turn signals 482
Vehicle battery 466
Windshield washer fluid 483
Multifunction steering wheel 30, 156
Button operation 156
N
Navigation system* 166
See separate COMAND System
operating instructions
Net, Cargo* 312
Net, Parcel 319
Neutral gear position, Automatic
transmission 189
New vehicle, Break-in period 346
Night security illumination 146, 176
Normal occupant weight 417
Number, Vehicle Identification (VIN) 550O
Occupant distribution 417
Occupant safety 74
Active head restraint 90
Air bags 76
Children and air bags 77, 91, 93
Children in the vehicle 91
Fastening the seat belt 53
Front passenger front air bag off
indicator lamp 81, 85, 86
Infant and child restraint systems 92
LATCH-type child seat anchors 95
OCS 81
OCS, Messages in the multifunction
display 460, 461, 462, 463
Seat belts 53, 78
OCS 81
Self-test 86
Odometer 153, 155, 162
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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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587 Index
Rear lamps see Tail lamps
Rear panorama roof, Sunshade 212
Rear seat head restraints see
Head restraints
Rear towing eye 541
Rear view camera* 293
Rear view mirrors see Mirrors
Rear window defroster 212
Rear window wiper/washer 64
Rear windows see Power windows
Rear wiper blade 517
Recommended tire inflation
pressure 417
Recovery services, Stolen vehicle
(Tele Aid) 338
Refrigerant, Air conditioning 564
Refueling 374
Regular checks 376
Reminder, Seat belt see Seat belts, Telltale
Remote control
SmartKey 112
SmartKey with KEYLESS-GO* 115
Remote door unlock, Tele Aid 337Replacing bulbs 504
Additional turn signals, Exterior rear
view mirrors 511
Backup lamps 504, 505, 511
Brake lamps 504, 505, 511
Corner-illuminating front fog
lamps* 504, 505, 510
Fog lamp, Rear 504, 505, 511
Fog lamps, Front 504, 505, 510
High beam headlamps 504, 505, 508
License plate lamps 504, 505, 514
Low beam headlamps 504, 505, 507
Parking/standing lamps 504, 505,
509, 511, 513
Side marker lamps, Front 504, 505,
507, 510
Side marker lamps, Rear 504, 505,
511, 513
Tail lamps 504, 505, 511, 513
Turn signal lamps, Front 504, 505,
509
Turn signal lamps, Rear 504, 505,
511, 513Reporting safety defects 19
Research Octane Number see RON
Reset button, In instrument cluster 169
Reset tool
Active head restraints,
Depository 500
Residual heat and ventilation 225, 241
Reverse gear position, Automatic
transmission 189
Rims 417, 555
Roadside Assistance 12
Roadside Assistance button see Tele Aid
RON 375, 565
Roof rails 295
Rubber parts, Cleaning 432
Run Flat Indicator (Canada only) 396
S
Safety
Driving safety systems 101
Occupant safety 74
Reporting safety defects 19
Safety belts see Seat belts
Satellite radio* 164
Scissors-type vehicle jack 492, 493
Seat belt force limiter 89
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594 Index
Vehicle status message memory
menu 167
Vehicle tool kit 490
Vehicle washing 427
VIN 551
Voice control system*
Button on multifunction steering
wheel 30, 156
Hands-free microphone 34
W
Warning indicators
Parktronic* 290
Warning lamps see Lamps, Indicator and
warning
Warning sounds
Distance warning function* 272
Distronic* 263
Exterior lamps 143
Parking brake 60
Parktronic* 292
Seat belt telltale 86Warranty coverage 10, 549
Washer fluid see Windshield washer fluid
Washer reservoir level 569
Washing the vehicle 425
Wear pattern, Tires 419
Weights, Vehicle 561
Wheel
Bolts 492
Change 520
Removing 524
Spare 495, 520
Tightening torque 526
Wheel, Tires and 384
Wheels
Sizes 556
Window curtain air bags 80
Windows see Power windows
Windows, cleaning 431
Windshield
Cleaning 431
Cleaning wiper blades 431
Cleaning, Windshield washer fluid 64
Defogging 222, 237
Infrared reflecting* 344
Washer fluid 383, 563, 569Windshield washer fluid
Messages in the multifunction
display 483
Mixing ratio 569
Refilling 383
Reservoir level 383
Wiping with 64
Windshield washer system 383, 569
Windshield wipers 62
Cleaning wiper blades 431
Fast continuous wiping 63
Fast intermittent wiping 63
Rear window wiper/washer 64
Replacing wiper blades 516
Slow continuous wiping 63
Slow intermittent wiping 63
Winter driving 420
Snow chains 421
Tires 420
Winter driving instructions 353
Winter tires 420
Wood trims, cleaning 434
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