2006 MERCEDES-BENZ ML350 open hood

411 Practical hints
What to do if …
During severe operation conditions and
stop-and-go city traffic, the coolant tem-
perature may rise close to 248°F (120°C).
Display symbol
Display messages
Possible cause
Possible solution
Ï
Coolant
Stop, engine off
The coolant is too hot.

Stop the vehicle and immediately turn off
the engine.

Only start the engine again after the mes-
sage disappears. You could otherwise
damage the engine.
Warning!
G
Driving when your engine is badly overheat-
ed can cause some fluids which may have
leaked into the engine compartment to
catch fire. You could be seriously burned.
Steam from an overheated engine can cause
serious burns and can occur just by opening
the engine hood. Stay away from the engine
if you see or hear steam coming from it.
Turn off the engine, get out of the vehicle
and do not stand near the vehicle until the
engine has cooled down.
!The engine should not be operated with
the coolant temperature above 248°F
(120°C). Doing so may cause serious
damage which is not covered by the
Mercedes-Benz Limited Warranty.

416 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause
Possible solution
A
Reserve fuel
The fuel level has dropped below
the reserve mark.

Refuel at the next gas station
(page 323).
Check gas cap
See Operator’s Manual
A loss of pressure has been de-
tected in the fuel system. The
fuel cap may not be closed prop-
erly or the fuel system may be
leaky.

Check the fuel cap (
page 323).
If it is not closed properly:

Close the fuel cap.
If it is closed properly:

Have the fuel system checked by an au-
thorized Mercedes-Benz Light Truck Cen-
ter.
a
Hood open

Trunk open
You are driving with the hood or
the tailgate open.

Close the hood (
page 326) or the tail-
gate (
page 120).
F
Key
Check battery
The SmartKey with
KEYLESS-GO* batteries are
discharged.

Change the batteries (
page 440).
Please do
not forget key
This display appears (for a maxi-
mum of 60 seconds) if the driv-
er’s door is opened with the
engine shut off and no SmartKey
in the starter switch.
This message is only a reminder.

Insert SmartKey in the starter switch.

Take the SmartKey with KEYLESS-GO*
with you when leaving the vehicle.

445 Practical hints
Replacing bulbs
Have the LEDs and bulbs for the following
lamps replaced by an authorized
Mercedes-Benz Light Truck Center:

Additional turn signals in the exterior
rear view mirrors


Bi-Xenon lamps*


Front fog lamps (vehicles with sport
package*)


High mounted brake lamp
Replacing bulbs for front lamps
Before you start to replace a bulb for a
front lamp, do the following first:
Turn the exterior lamp switch to
positionM (
page 138).

Open the hood (
page 326).
1Housing cover for low beam halogen or
Bi-Xenon* headlamp
2Housing cover for high beam halogen
bulb (vehicles with halogen bulbs: high
beam and high beam flasher; vehicles
with Bi-Xenon* headlamps: high beam
flasher only)
3Bulb socket for parking and standing
lamp bulb
4Bulb socket for turn signal lamp bulb
5Bulb socket for side marker lamp bulb

452 Practical hintsReplacing bulbsCorrect 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 138).
If the beam does not show a beam pattern
as indicated in the figure left, then follow
the steps below:

Open hood (
page 326).
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. Turn clockwise for
upward movement and counterclock-
wise for downward movement.
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
headlamp adjustment, have the system
checked at an authorized
Mercedes-Benz Light Truck Center.

454 Practical hintsReplacing wiper blades
Let tab2 latch into both recesses of
attachment3.

Check if the wiper blade is securely
fastened.

Fold the wiper arm backward to rest on
the windshield.
Make sure you hold on to the wiper arm
when folding it back.
Removing rear wiper blade
Fold wiper arm1 (
page 455) for-
ward until it engages.
!Never open the hood when the wiper
arms are folded forward.
Hold on to the wiper when folding the
wiper arm back. If released, the force
of the impact from the tensioning
spring could crack the windshield.
Do not allow the wiper arms to contact
the windshield glass without a wiper
blade inserted.
Make certain that the wiper blades are
properly installed. Improperly installed
wiper blades may cause windshield
damage.
For your convenience, we recommend
that you have this work carried out by
an authorized Mercedes-Benz Light
Truck Center.
Warning!
G
For safety reasons, switch off wipers and
remove SmartKey from starter switch (vehi-
cles with KEYLESS-GO*: Make sure the
vehicle’s on-board electronics have
status
0) before replacing a wiper blade.
Otherwise the motor could suddenly turn on
and cause injury.


478 Practical hintsFusesAids for changing fuses
Fuse chart
A chart explaining fuse allocation and fuse
amperages can be found near the vehicle
tool kit in the cargo compartment
(page 431).
Spare fuses
Spare fuses are found near the vehicle tool
kit in the cargo compartment
(page 431).
Fuse extractor
The fuse extractor is found near the vehicle
tool kit in the cargo compartment
(page 431).
Main fuse box
The main fuse box is located in the engine
compartment on the passenger side.ML 3501Clamp
2Main fuse box cover
ML 5001Clamp
2Main fuse box cover
Removing/installing main fuse box
cover
Open the hood (
page 326).

Pull clamp1 in direction of arrow.

Lift fuse box cover2 up.

Install main fuse box cover in reverse
order.
!When closing the main fuse box, make
sure to fit cover2 on the fuse box
properly and engage clamp1.

515 Index
Emergency operations
Closing tilt/sliding sunroof* 439
Locking the vehicle 436
Opening tilt/sliding sunroof* 439
Remote door unlock 288
Unlocking the vehicle 435
Emergency tensioning device see ETD
Emission control 321
Ending
A call (telephone*) 180
Engine
Message in the display 410
Starting 49
Starting with KEYLESS-GO* 50
Technical data 486
Turning off 62
Engine cleaning 376
Engine compartment
Hood 326
Main fuse box 478
Engine malfunction
indicator lamp 385, 410
Engine malfunction indicator
lamp (Canada only) 25
Engine malfunction indicator
lamp (USA only) 25Engine number 502
Engine oil 327, 495
Adding 331
Additives 495
Checking level 327
Checking with the
control system (ML 500 only) 328
Checking with the
oil dipstick (ML 350 only) 330
Consumption 327
Display messages 414–415
Messages in display 329, 414–415
Viscosity 502
ESP
®
25, 95, 502
Off-road-ESP
®
98
Switching off 97
Switching on 98
Warning lamp 387
ETD 502
Safety guidelines 70
ETD (Emergency tensioning device) 76
Exterior mirrors
Folding 197
Exterior rear view mirrors
Adjusting 44
Parking position* for 174F
Fastening the seat belts 46
First aid kit 430
Flat tire 456
Lowering the vehicle 460
Preparing the vehicle 457
Spare wheel 433
Flexible Service System PLUS
(FSS PLUS) 502
Floormats* 279
Fluid level
Automatic transmission 332
Fog lamp, rear
Switching on 142
Fog lamps
Replacing bulbs 443
Fog lamps, front
Messages in display 418
Replacing bulbs 445
Switching on 142
Folding
Exterior mirrors 197
Folding the backrest forward 261
4-ETS 98
Off-road - 4-ETS 99

517 Index
Global Positioning System (GPS) 503
Glove box 270
Closing 270
Opening 270
Good visibility 194
GPS 503
Gross Axle Weight Rating see GAWR
Gross Trailer Weight see GTW
Gross Vehicle Weight Rating see GVWR
Gross Vehicle Weight see GVW
GTW 365
GVW 366
GVW (Gross Vehicle Weight) 503
GVWR 366
GVWR
(Gross Vehicle Weight Rating) 503H
Hard plastic trim items
Cleaning 379
Hazard warning flasher 144
Switching off 145
Switching on 145
Head restraints
Power seats 40
Headlamp aim
Adjusting 451
Headlamp cleaning system* 333
Headlamps
Automatic control 139
Bi-Xenon* 501
Cleaning 377
Cleaning system* 194, 333
Manual mode 139
Refilling washer fluid 334
Switching off 62
Switching on 54
Washer fluid 500
Washer system 500
Headliner
Cleaning 379Heated seats* 133
Height adjustment
Head restraints 40
Seat belts 48
Steering wheel 41
High beam 54
High beam flasher 143
High beam halogen headlamps
Replacing bulbs 447
High beam headlamps
Messages in display 419
Replacing bulbs 443
Switching on 142
Hill start assist system 191
Hood 326
Closing 327
Message in display 416
Opening 326
Hooks
Loading 261
Hydroplaning 303