2007 MERCEDES-BENZ ML320CDI sensor

408 OperationVehicle careHeadlamps, brake lamps, tail lamps,
side markers, turn signal lenses
Use a mild car wash detergent, such as
Mercedes-Benz approved Car Sham-
poo, with plenty of water.Cleaning the Distronic* system sensor
cover
1Distronic* system sensor cover

Switch off the ignition (
page 40).

Use a mild car wash detergent, such as
Mercedes-Benz approved Car Sham-
poo, with plenty of water and a
non-scratching cloth to clean sensor
cover1.

Restart the engine after cleaning sen-
sor cover1.
Cleaning the Parktronic* system
sensors
1Parktronic* system sensors in front
bumper

Use a mild car wash detergent, such as
Mercedes-Benz approved Car Sham-
poo, with plenty of water and a soft,
non-scratching cloth to clean
sensors1 on the bumpers.
!
Only use window cleaning solutions that are
suitable for plastic lamp lenses. Window clean-
ing solutions which are not suitable may damage
the plastic lamp lenses of the headlamps. There-
fore, do not use abrasives, solvents or cleaners
that contain solvents.
Never apply strong force and only use a soft,
non-scratching cloth when cleaning the lenses.
Do not attempt to wipe dirty lenses with a dry
cloth or sponge.
Otherwise you may scratch or damage the lens
surface.
!
To prevent scratches or damage, never
apply strong force and only use a soft,
non-scratchy cloth when cleaning the sensor
cover1. Do not attempt to wipe dirty sensors
with a dry cloth or sponge.

409 Operation
Vehicle care
Cleaning the Rear View Camera lens*
1Camera lens
Only use clean water and a soft,
non-scratching cloth to clean the
camera lens1.
Be careful not to apply wax to camera
lens1 when waxing the vehicle. If
necessary, remove the wax using the
Mercedes-Benz approved Car Shampoo
with plenty of water.
!
Do not apply strong pressure to the sensor
covers. Applying strong pressure may damage
the sensor covers.
Follow the instructions provided by the power
washer manufacturer on maintaining a distance
between the vehicle and the nozzle of the power
washer.
!
To prevent scratches, never apply strong
force and only use a soft, non-scratching cloth
when cleaning the sensors. Do not attempt to
wipe dirty sensors with a dry cloth or sponge.
!
Do not clean the camera and the area
around the camera:


with a high-pressure cleaner


with a dry cloth and high pressure


with aggressive cleaning agents
You could otherwise damage the camera.

433 Practical hints
What to do if …
Display message
Possible cause/consequence
Possible solution
DISTRONIC
available again
Distronic* had been deactivated and
is available again.

Activate Distronic* (
page 256).
currently unavailable
See Operator’s Manual
Distronic* is deactivated because
the functionality is impaired by
external interferences, e.g.
high-frequency sources such as toll
stations, speed measuring systems
etc.

Leave the area of the external interference.

Activate the Distronic* again (
page 256),
when the message
DISTRONIC available
again
appears.
Distronic* is deactivated because
the Distronic* sensor has not
sensed any other vehicles or
objects, e.g. road sign or such, for a
long time.

Try to activate Distronic* again
(page 256), when the message
DISTRONIC available again
appears.

434 Practical hintsWhat to do if …Display message
Possible cause/consequence
Possible solution
DISTRONIC
currently unavailable
See Operator’s Manual
Distronic* is deactivated because

the Distronic* cover in the
radiator grille is dirty


the functionality is impaired by
heavy precipitation or fog

Clean the Distronic* cover in the radiator
grille (
page 408).

Restart the vehicle.
Distronic* becomes operational again without
the engine being restarted when


dirt on the radiator grille has fallen off while
driving (e.g. slush or snow)


the system recognizes full sensor
availability due to lessening rain or because
the road is drying, for example


the message in the multifunction display
disappears
You can then operate Distronic* as usual again.

445 Practical hints
What to do if …
Display message
Possible cause/consequence
Possible solution
Tire pressure monitor
inoperative
The TPMS or Advanced TPMS* is
malfunctioning.

Have the TPMS or Advanced TPMS* checked by an
authorized Mercedes-Benz Light Truck Center.
Tire pressure monitor
inoperative
No wheel sensors
There are wheels without appropriate wheel
sensors mounted (e.g. winter tires).

Have the TPMS or Advanced TPMS* checked by an
authorized Mercedes-Benz Light Truck Center.

Have the wheel sensors installed by an authorized
Mercedes-Benz Light Truck Center.
Tire pressure monitor
Wheel sensor missing
One or more sensors defect (e.g. battery is
empty).
One or more wheels without appropriate
wheel sensors mounted (e.g. spare tire).

Have the TPMS or Advanced TPMS* checked by an
authorized Mercedes-Benz Light Truck Center.

Have the wheel sensors installed by an authorized
Mercedes-Benz Light Truck Center.
Vehicles with Advanced TPMS*:
The tire pressure for the respective tire is shown in
the multifunction display.
Tire pressure monitor
currently
unavailable
The TPMS or Advanced TPMS* is unable to
monitor the tire pressure due to

a nearby radio interference source.


excessive wheel sensor temperatures.

As soon as the causes of the malfunction have been
removed, the TPMS or Advanced TPMS* automati-
cally becomes active again after a few minutes driv-
ing.

460 Practical hintsWhat to do if …Display symbol
Display messages
Possible cause/consequence
Possible solution
.
License plate lamp
Left
The left license plate lamp is
malfunctioning.

Replace the bulb as soon as possible
(page 492).
License plate lamp
Right
The right license plate lamp is
malfunctioning.

Replace the bulb as soon as possible
(page 492).
AUTO Light
inoperative
The light sensor is malfunction-
ing. The headlamps do not
switch on automatically.

In the control system, set lamp operation
to manual mode (
page 137).

Switch on headlamps using the exterior
lamp switch.

Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.
Low beam
Left
The left low beam lamp is
malfunctioning.
Halogen headlamp:
Replace the bulb as soon as possible
(page 485).
Bi-Xenon* headlamp:

Contact an authorized Mercedes-Benz
Light Truck Center as soon as possible.

505 Practical hints
Flat tire

Store jack and all other vehicle tool kit
items back into the storage well.
i
The removed road wheel cannot be stored in
the spare wheel well under the cargo compart-
ment floor, but should be transported in the car-
go compartment wrapped in a protective cover.
Vehicles with TPMS or Advanced TPMS*:
Do not activate the tire inflation pressure moni-
tor until a full size wheel/tire with functioning
sensor has been placed back into service on the
vehicle.

557 Index
Cup holders 298
Cleaning 299
Front center console 299
Front center console,
Removing/Installing 299
Rear armrest 299
Curb weight 395
Current transmission program
mode (AMG vehicles only) 147
D
Date display, Setting 169, 170
Daytime running lamp mode 138
Setting 171
Deep water see Standing water
Defogging windshield 213, 227
Defrosting, Front 213, 227
Defrosting, Rear 205
Delayed shut-off
Exterior lamps 172
Interior lighting 173
Department of Transportation see DOT
Diesel engine
Preglow indicator lamp 29Difficulties
While driving 63
While starting 57
Digital clock see Clock
Digital speedometer 147, 155
Dimensions, Vehicle 541
Direction of rotation (tires) 368
Displays
Digital speedometer 147, 155
Distronic* 253
Maintenance service indicator 401
Messages in the
multifunction display 428
Multifunction display 147
Outside temperature 147, 155
Selecting 168
Symbol messages 446
Text messages 430
Vehicle status message 163, 428
Vehicle system settings,
Control system 151, 153, 164
Distance to empty (range), Trip
Computer 180Distronic* 250
Activating 256
Cleaning system sensor 408
Control system 255
Deactivating 259
Distance warning function* 179, 263
Driving hints 261
Messages in the
multifunction display 432
Sensor cover 408
Warning and indicator lamps 253
Door
Entry lamps 144
Locking, In an emergency 476
Locking/unlocking,
KEYLESS-GO* 39, 68
Locking/unlocking, SmartKey 38, 68
Messages in the
multifunction display 455
Opening from inside/outside 109,
118
Remote door unlock (Tele Aid*) 315
Unlocking, Mechanical key 475