2008 MERCEDES-BENZ ML320 washer fluid

340 Operation
At the gas station
Brake fluid
Coolant
For normal replenishing, use water (pota-
ble water quality).
For more information, see “Coolant level”
(
page 345) and see “Fuels, coolants, lu-
bricants” (
page 522).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 346).
Vehicle lighting
Check function and cleanliness. For infor-
mation on replacing light bulbs, see “Re-
placing bulbs” (
page 463).
For more information, see “Exterior lamp
switch” (
page 135).
Tire inflation pressure
For more information, see “Checking tire
inflation pressure” (
page 359).
!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 525).

346 Operation
Engine compartment
The coolant expansion tank is located on
the driver’s side of the engine compart-
ment.
1Cap
2Coolant expansion tank
3Indicator wall
4Coolant level
Using a rag, turn cap1 slowly approx-
imately one half turn counterclockwise
to release any excess pressure.
Continue turning cap1 counterclock-
wise and remove it.
Coolant level4 is correct if the level:

for cold coolant: reaches the top of
indicator wall3 visible through the
filling opening

for warm coolant: is approximately
0.6 in (1.5 cm) higher
Add coolant as required.
Replace and tighten cap1.
For more information on coolant, see
“Coolants” (
page 528).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).

347 Operation
Engine compartment
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 530).
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.

444 Practical hints
What to do if …
Display symbolDisplay messagePossible cause/consequencePossible solution
4Reserve FuelThe fuel level has gone below the reserve
mark.Refuel at the next gas station
(
page 337).
Ultra Low-sulfur
Diesel Fuel OnlyVehicles with diesel engine only:
The fuel level has gone below the reserve
mark.Refuel at the next gas station
(
page 337).
Only use commercially available
vehicular ULTRA-LOW SULFUR
HIGHWAY DIESEL FUEL
(15 ppm SULFUR MAXIMUM).
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 346).

530 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.

538 Index
Fluids
Automatic transmission fluid 345
Brake fluid 340, 523, 525
Capacities 522
Engine coolant 340, 345, 528
Engine oil 343, 525
Power steering fluid 523
Windshield washer and headlamp
cleaning system* 340, 524, 530
Fog lamps 138, 139
Corner-illuminating front fog
lamps* 140
Messages in the multifunction
display 439
Rear fog lamp 139
Replacing bulbs 469
4-ETS 104
Off-road - 4-ETS 105
Front air bags 77
Front defroster 210, 225
Front lamps see HeadlampsFront passenger front air bag 72, 77
Messages in the multifunction
display 421, 422, 423, 424
Front passenger front air bag off indicator
lamp 31, 83
Front seat head restraints see
Head restraints
Front towing eye 501
Fuel 338
Additives 527
Capacities, Fuel tank 524
Consumption statistics 179
Diesel fuel 524
Filling the tank 337
Fuel filler flap and cap 337, 457
Fuel gauge 29
Fuel tank reserve warning lamp 29,
410
Premium unleaded gasoline 338,
526
Requirements, Octane rating 526Fuel cap
Messages in the multifunction
display 435
Fuel consumption statistics
Since last reset 179
Since start 179
Fuel filler flap 337
Locking/unlocking 337
Opening 337
Opening in an emergency 457
Fuel tank
Capacity 524
Filler flap 337
Fuel, Premium unleaded gasoline 524
Fuels, coolants, lubricants etc. 522
Fuses 504
Fuse box in cargo compartment 505
Fuse box in engine compartment 505
Fuse box in passenger
compartment 506
Fuse chart 448
Replacing 504

544 Index
Fog lamps, Front 439
Fog lamps, Rear 441
Front passenger front air bag 421,
422, 423, 424
Fuel cap 435
Headlamps 438, 439, 441, 443
Hood 435
Key, SmartKey 437
Key, SmartKey with
KEYLESS-GO* 436, 437
Lamps 438, 439, 440, 441, 443
Low tire pressure 425, 445, 446
Parking brake 429
Parking lamps 441
Tele Aid 444
Telephone* 444
Turn signals 443
Vehicle battery 427
Windshield washer fluid 444
Multifunction steering wheel 30, 148
Button operation 148N
Navigation system* 161
See separate COMAND system
operating instructions
Net, Cargo* 272
Net, Parcel 283
Neutral gear position, Automatic
transmission 183, 187
New vehicle, Break-in period 310
Night security illumination 138, 171
Normal occupant weight 381
Number, Vehicle Identification (VIN) 510
O
Occupant distribution 381
Occupant safety 72
Active head restraint 88
Air bags 74
Children and air bags 75, 89, 91
Children in the vehicle 89
Fastening the seat belt 51
Front passenger front air bag off
indicator lamp 79, 83, 84
Infant and child restraint systems 90
LATCH-type child seat anchors 93
OCS 79OCS, Messages in the multifunction
display 421, 422, 423, 424
Seat belts 51, 76
OCS 79
Self-test 84
Odometer 146, 147, 154
Off-road - 4-ETS 105
Off-road - ABS 99
Off-road - ESP
®103
Off-road driving
Checklist 322, 327
Crossing obstacles 325
Driving instructions for off-road
driving 319
Driving through water 324
Returning 327
Rules 321
Special driving features 320
Steep terrain 322
Off-road driving program 253
Oil level see Engine oil, Checking level
One-touch gearshifting 193
Operating safety 17
Operator’s Manual 10

550 Index
Tar stains 390
Technical data 507
Air conditioning refrigerant 525
Brake fluid 523, 525
Capacities fuels, coolants, lubricants
etc. 522, 523
Coolant 528
Dimensions, Vehicle 520
Electrical system 519
Engine 513
Engine oil 525
Engine oil additives 525
Fuel requirements 526
Fuels, coolants, lubricants, etc. 522
Gasoline additives 527
Main dimensions 520
Premium unleaded gasoline 526
Rims 515
Tires 515
Weights 521
Windshield washer and headlamp
cleaning system* 524, 530Tele Aid 294
Call priority 300
Emergency calls 296
Hands-free microphone 33
Information 299
Initiating an emergency call
manually 297
Messages in the multifunction
display 444
Remote door unlock 301
Roadside Assistance 298
SOS button 297
Stolen Vehicle Recovery
services 301
System self-check 295
Telephone cradle*
Changing 293Telephone* 291
Answering/ending a call 181
Changing mobile phone cradle 293
Dialing a number from the phone
book 181
Ending a call or rejecting an incoming
call 181
Hands-free microphone 33
Inserting in cradle 292
Installing a different mobile phone
cradle 294
Messages in the multifunction
display 444
Operation 180
Phone book 181
Redialing 182
Rejecting/ending a call 181
Removing from cradle 293
Telescoping rod 277