2007 MERCEDES-BENZ GL320CDI washer fluid

378 Operation
At the gas station
Brake fluid
Coolant
For normal replenishing, use water (pota-
ble water quality).
For more information, see “Coolant level”
(
page 382) and see “Fuels, coolants, lu-
bricants” (
page 560).Windshield/rear window washer
system and headlamp cleaning
system*
For more information on refilling the wash-
er reservoir, see “Windshield/rear window
washer system and headlamp cleaning
system*” (
page 384).
Vehicle lighting
Check function and cleanliness. For infor-
mation on replacing light bulbs, see “Re-
placing bulbs” (
page 508).
For more information, see “Exterior lamp
switch” (
page 145).
Tire inflation pressure
For more information, see “Checking tire
inflation pressure” (
page 396).
!If you find that the brake fluid in the brake
fluid reservoir has fallen to the minimum mark or
below, have the brake system checked for brake
pad thickness and leaks immediately. Notify an
authorized Mercedes-Benz Light Truck Center
immediately. Do not add brake fluid as this will
not solve the problem. For more information, see
“Brake fluid” (
page 562).

384 Operation
Engine compartment
Windshield/rear window washer
system and headlamp cleaning
system*
The windshield washer reservoir is located
in the engine compartment.
1Cap for windshield washer reservoir
Fluid for the windshield/rear window
washer system and the headlamp cleaning
system* is supplied from the windshield
washer reservoir. It has a capacity of 8.1
US qt (7.7 l).During all seasons, add MB Windshield
Washer Concentrate “MB SummerFit” to
water. Premix the windshield washer fluid
in a suitable container.
Use the tab to pull cap1 upwards.
Refill the reservoir with MB Windshield
Washer Concentrate “MB SummerFit”
and water (or commercially available
premixed windshield washer sol-
vent/antifreeze, depending on ambient
temperatures).For more information, see “Windshield
washer system and headlamp cleaning
system*” (
page 567).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.
!Always use washer solvent/antifreeze
where temperatures may fall below freezing
point. Failure to do so could result in damage to
the washer system/reservoir.
!Only use washer fluid which is suitable for
plastic lenses. Improper washer fluid can
damage the plastic lenses of the headlamps.

487 Practical hints
What to do if …
Display symbolDisplay messagesPossible cause/consequencePossible solution
L Tele Aid
inoperativeOne or more main functions of the
Tele Aid system are malfunctioning.Have the Tele Aid system checked by
an authorized Mercedes-Benz Light
Truck Center.
Tele Aid
batteryThe emergency power battery for the
Tele Aid system is malfunctioning. If the
vehicle battery is also malfunctioning or
drained, Tele Aid will not be operational.Have the Tele Aid system checked by
an authorized Mercedes-Benz Light
Truck Center.
tFunction
unavailableThis display appears if buttont
ors on the multifunction steering
wheel is pressed and the vehicle is not
equipped with a telephone.
W Top up
washer fluidThe fluid level has dropped to about 1/3 of
total reservoir capacity.Add washer fluid (page 384).
] Clean fuel filterHave the fuel filter checked by an
authorized Mercedes-Benz Light
Truck Center.
» Replace air filterThe air filter is clogged.Have the air filter checked by an
authorized Mercedes-Benz Light
Truck Center.

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.

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

582 Index
Multifunction display messages 451
ABS 453
Air suspension 490
Air suspension package* 490
Brake fluid 472
Brake lamps 481
Brake pads 470
Check engine 472
Coolant 475
Cruise control 454
Distronic* 455
Doors 478
Downhill Speed Regulation 470
EBP 471
Engine coolant 473, 475
Engine oil 476
ESP® 441
Fog lamps, Front 481
Fog lamps, Rear 484
Front passenger front air bag 463,
464, 465, 466
Fuel cap 478
Gear selector lever 461
Headlamps 481, 483, 484, 486
Hood 478Key, SmartKey 480
Key, SmartKey with
KEYLESS-GO* 479, 480
Lamps 481, 483, 484, 486
Low tire pressure 467, 488, 489
Parking brake 461, 471
Parking lamps 482
Tele Aid 487
Telephone* 487
Turn signals 486
Vehicle battery 469
Windshield washer fluid 487
Multifunction steering wheel 30, 158
Button operation 158
N
Navigation system* 168
See separate COMAND System
operating instructions
Net, Cargo* 313
Net, Parcel 320
Neutral gear position, Automatic
transmission 192
New vehicle, Break-in period 348
Night security illumination 148, 179
Normal occupant weight 417
Number, Vehicle Identification (VIN) 550O
Occupant distribution 417
Occupant safety 74
Active head restraint 92
Air bags 76
Children and air bags 77, 93, 96
Children in the vehicle 93
Fastening the seat belt 54
Front passenger front air bag off
indicator lamp 82, 85, 86
Infant and child restraint systems 94
LATCH-type child seat anchors 97
OCS* 81
OCS*, Messages in the multifunction
display 463, 464, 465, 466
Seat belts 54, 78
OCS* 81
Self-test 86
Odometer 156, 157, 164

588 Index
T
Tachometer 29, 156
Displaying current gear range 200
Overspeed range 156
Tail lamps 515
Cleaning lenses 429
Messages in the
multifunction display 485
Replacing bulbs 509, 517
Tailgate
Closing from the inside,
Electrically* 127
Closing from the outside
(vehicles without
KEYLESS-GO*) 128
Opening from the inside,
Electrically* 126
Opening from the inside,
Manually 124
Opening from the outside 124Tar stains 426
Technical data 547
Air conditioning refrigerant 561, 562
Brake fluid 561, 562
Capacities fuels, coolants, lubricants
etc. 560, 561
Coolant 561, 565
Dimensions, Vehicle 558
Electrical system 557
Engine 553
Engine oil 560, 562
Engine oil additives 562
Fuel requirements 563
Fuels, coolants, lubricants, etc. 560
Gasoline additives 564
Main dimensions 558
Premium unleaded gasoline 563
Rims 554
Tires 554
Weights 559
Windshield washer and headlamp
cleaning* system 561, 567Tele Aid 332
Call priority 338
Emergency calls 334
Hands-free microphone 34
Information 337
Initiating an emergency call
manually 335
Messages in the
multifunction display 487
Remote door unlock 338
Roadside Assistance 336
SOS button 335
Stolen Vehicle Recovery
services 339
System self-check 333
Telephone cradle*
Changing 331
Telephone* 329
Answering/ending a call 190
Changing mobile phone cradle 331
Dialing a number from the phone
book 190
Ending a call or rejecting an incoming
call 190