radio MERCEDES-BENZ ML320 1997 Complete Owner's Guide

170 Controls in detailUseful featuresElectrical outletElectrical outletOne outlet is located in the front passen-
ger footwell and another on the right-hand
side of the luggage compartment.
Flip up cover and insert electrical plug
(cigarette lighter type).
Telephone*
Radio transmitters, such as a portable tele-
phone or a citizens band unit, should only
be used inside the vehicle if they are con-
nected to an antenna that is installed on
the outside of the vehicle.
The external antenna must be approved by
Mercedes-Benz. Please contact an autho-
rized Mercedes-Benz Light Truck Center
for information on the installation of an ap-
proved external antenna. Refer to the radio
transmitter operation instructions regard-
ing use of an external antenna.
iThe outlets function even if the key is
not in the ignition.
The electrical outlet can be used to
accommodate electrical consumers
(e.g. air pump, auxiliary lamps) up to a
maximum of 180 W.
If the engine is off, the battery may be-
come discharged if used for long peri-
ods of time.
Warning!
G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and / or serious
personal injury.

179 Controls in detail
Useful features
Remote door unlock
In case you have locked your vehicle unin-
tentionally (e.g. key inside vehicle), and no
other key is available:
Contact the Mercedes-Benz Response
Center at 1-800-756-9018 (in the USA)
or 1-888-923-8367 (in Canada).
You will be asked to provide your pass-
word which you provided when you
completed the subscriber agreement.

Then return to your vehicle and pull
outside handle of the liftgate for mini-
mum of 20 seconds until the SOS but-
ton is flashing.
The message
EMERGENCY CALL –
CALL CONNECTED appears in the MCS
display.
As an alternative, you may unlock the vehi-
cle via Internet using the ID and password
sent to you shortly after the completion of
your acquaintance call.
!If the indicator lamp continues to flash
or the system does not reset, contact
the Response Center at
1-800-756-9018 (in the USA) or
1-888-923-8367 (in Canada), or
Mercedes-Benz Customer Assistance
at 1-800-FOR-MERCedes
(1-800-367-6372) in the USA or Cus-
tomer Service at 1-800-387-0100 in
Canada.iThe indicator lamp on the correspond-
ing button flashes until the call is con-
cluded. Calls can only be terminated by
a Response Center or Customer Assis-
tance Center representative, except
Roadside Assistance and Information
calls, which can also be terminated by
using the END button on the MCS unit.
iWhen a Tele Aid call has been initiated,
the MCS system audio is muted and
the selected mode (radio, tape or CD)
pauses. The optional cellular phone (if
installed) switches off. If you must use
this phone, the vehicle must be parked.
Disconnect the coiled cord and place
the call. The navigation system (if en-
gaged) will continue to run. A pop-up
window will appear in the MCS display
to indicate that a Tele Aid call is in
progress.

184 Controls in detailUseful featuresStep 9:
Press “training” button on the garage
door opener motor head unit.
The “training light” is activated.
You have 30 seconds to initiate the follow-
ing step.
Step 10:

Firmly press, hold for two seconds and
release the programmed integrated
signal transmitter button (3, 4
or5).
Step 11:

Press, hold for two seconds and re-
lease same button a second time to
complete the training process.
Some garage door openers (or other rolling
code equipped devices) may require you to
perform this procedure a third time to
complete the training.Step 12:

Confirm the garage door operation by
pressing the programmed integrated
signal transmitter button (3, 4
or5).
Step 13:

To program the remaining two buttons,
repeat the steps above starting with
step 3.Gate operator / Canadian programming
Canadian radio-frequency laws require
transmitter signals to “time-out” (or quit)
after several seconds of transmission
which may not be long enough for the inte-
grated signal transmitter to pick up the sig-
nal during programming. Similar to this
Canadian law, some U.S. gate operators
are designed to “time-out” in the same
manner.
If you live in Canada or if you are having dif-
ficulties programming a gate operator (re-
gardless of where you live) by using the
programming procedures, replace step 4
with the following:


211 Operation
Driving instructions
Passenger compartment
Driving abroad
Abroad, there is an extensive
Mercedes-Benz service network at your
disposal. If you plan to drive into areas
which are not listed in the index of your
Mercedes-Benz Light Truck Center directo-
ry, you should request pertinent informa-
tion from your authorized Mercedes-Benz
Light Truck Center.Control and operation of radio trans-
mitters
MCS, radio and telephone*
Warning!
G
Always fasten items being carried as secure-
ly as possible.
In an accident, during hard braking or sud-
den maneuvers, loose items will be thrown
around inside the vehicle, and cause injury
to vehicle occupants unless the items are
securely fastened in the vehicle.
The rear cargo compartment is the preferred
place to carry objects. Always use the parti-
tion net when transporting cargo. Partition
net cannot secure hard or heavy objects. Al-
ways fasten items being carried as securely
as possible using the cargo tie-down rings in
the cargo floor area and fastening materials.
Warning!
G
Do not forget that your primary responsibili-
ty is to drive the vehicle. Only operate the
MCS, radio or telephone
1 if road, weather
and traffic conditions permit.
Bear in mind that at a speed of just 30 mph
(approximately 50 km / h), your vehicle is
covering a distance of approximately
44 feet (approximately 13.5 m) every
second.
1Observe all legal requirements.

212 OperationDriving instructionsTelephones and two-way radios
Radio transmitters, such as a portable tele-
phone or a citizens band unit should only
be used inside the vehicle if they are con-
nected to an antenna that is installed on
the outside of the vehicle.
Refer to the radio transmitter operation in-
structions regarding use of an external an-
tenna.
Catalytic converter
Your Mercedes-Benz is equipped with
monolithic-type catalytic converters, an
important element in conjunction with the
oxygen sensors to achieve substantial con-
trol of the pollutants in the exhaust emis-
sions. Keep your vehicle in proper
operating condition by following our rec-
ommended maintenance instructions as
outlined in your Service Booklet.
Emission control
Certain engine systems serve to keep the
toxic components of the exhaust gases
within permissible legal limits.
These systems, of course, will function
properly only when maintained strictly ac-
cording to factory specifications. Any ad-
justments on the engine should, therefore,
be carried out only by qualified
Mercedes-Benz Light Truck Center autho-
rized technicians. Engine adjustments
should not be altered in any way. More-
over, the specified service jobs must be
Warning!
G
Never operate radio transmitters equipped
with a built-in or attached antenna (i.e. with-
out being connected to an external antenna)
from inside the vehicle while the engine is
running. Doing so could lead to a malfunc-
tion of the vehicle’s electronic system, pos-
sibly resulting in an accident and / or
personal injury.
!To prevent damage to the catalytic con-
verters, use only premium unleaded
gasoline in this vehicle.
Any noticeable irregularities in engine
operation should be repaired promptly.
Otherwise, excessive unburned fuel
may reach the catalytic converter,
causing it to overheat and start a fire.
Warning!
G
As with any vehicle, do not idle, park or op-
erate this vehicle in areas where combusti-
ble materials such as grass, hay or leaves
can come into contact with the hot exhaust
system, as these materials could be ignited
and cause a vehicle fire.

313 Technical terms
GVWR
(G
ross V
ehicle W
eight R
ating)
This is the maximum permissible vehi-
cle weight. It is indicated on certifica-
tion label located on the driver’s door
pillar.
Instrument cluster
The displays and indicator / warning
lamps in the driver’s field of vision, in-
cluding the tachometer, speedometer,
engine temperature and fuel gauge.
Kickdown
Depressing the accelerator past the
point of resistance shifts the transmis-
sion down to the lowest possible gear.
This very quickly accelerates the vehi-
cle and should not be used for normal
acceleration needs.Line of fall
The direct line that an object moves
downhill when influenced by the force
of gravity alone.
Lock button
Button on the door which indicates
whether the door is locked or un-
locked. Pushing the lock button down
on an individual door from inside will
lock that door.
MCS
(M
odular C
ontrol S
ystem)
Information and operating center for
vehicle sound and communications
systems, including the radio and the ra-
dio and navigation system, as well as
for other optional equipment (CD
changer, telephone, etc.).Memory function*
Used to store three individual seat,
steering wheel and mirror positions.
MON
(M
otor O
ctane N
umber)
The Motor Octane Number for gasoline
as determined by a standardized meth-
od. It is an indication of a gasoline's
ability to resist undesired detonation
(knocking). The average of both the
MON (Motor Octane Number) and
->RON (Research Octane Number) is
posted at the pump, also known as
ANTI-KNOCK INDEX.
Multifunction display
A display field in the instrument cluster
used to present information provided
by the control system.
Parktronic system* (Parking assist)
System which uses visual and acoustic
signals to assist the driver during park-
ing maneuvers.

315 Technical terms
Tele Aid System*
(T
elematic A
larm I
dentification on
D
emand)
The Tele Aid system consists of three
types of response: automatic and man-
ual emergency, roadside assistance
and information. Tele Aid is initially ac-
tivated by completing a subscriber
agreement and placing an acquain-
tance call.
The Tele Aid system is operational pro-
vided that the vehicle’s battery is
charged, properly connected, not dam-
aged and cellular and GPS coverage is
available.
Telematics*
A combination of the terms “telecom-
munications” and “informatics”.
Tightening torque
Force times lever arm (e.g. a lug
wrench) with which threaded fasteners
such as wheel bolts are tightened.Tire speed rating
Part of tire designation; indicates the
speed range for which a tire is ap-
proved.
Traction
Force exerted by the vehicle on the
road via the tires.
Transfer case
Speed of rotation / torque converter
that works together with the ->auto-
matic transmission. In the LOW mode
off-road position, the transfer case de-
creases the output rotational speed of
the ->automatic transmission by ap-
proximately half. This results in a corre-
sponding increase of torque on the
drive axles.
The vehicle then has nearly double the
driving force but drives only approxi-
mately half as fast.TWR
(T
ongue W
eight R
ating)
The TWR is the maximum permissible
weight on the trailer tongue.
VIN
(V
ehicle I
dentification N
umber)
The number set by the manufacturer
and placed on the body to uniquely
identify each vehicle produced.
Voice control system*
Voice control system for car phones,
portable cell phones and audio sys-
tems (radio, CD, etc.).

321 Index
Chart
Fuses 287
CHECK ENGINE malfunction indicator
lamp 248
Checking
Coolant level 215, 222
Oil level 218
Tire inflate pressure 216
Vehicle lighting 216
Checking weights
Trailer and vehicle 208
Checklist
Off-road driving 201
Returning from off-road driving 206
Child safety 67
Airbags 60
Infant and child restraint systems 64,
68
LATCH child seat mounts 72
Child safety switch see Blocking of rear
door window operation 73Cigarette lighter
Front center console 168
Cleaning
Cup holder 238
Gear selector lever 238
Hard plastic trim items 238
Headlamps 131
Headliner 238
Instrument cluster 238
Leather upholstery 239
Light alloy wheels 238
MB Tex upholstery 239
Plastic and rubber parts 239
Seat belts 238
Steering wheel 238
Windows 237
Windshield 50
Wiper blades 237
Clock 26, 118Closing
Glove box 164
Hood 218
Liftgate 92
Rear quarter windows* 147
Side windows 145
Sliding/pop-up roof* 148, 265
Closing sliding/pop-up roof*
In an emergency 265
Cockpit 22, 311
Combination switch
High beam flasher 49, 110
Turn signals 49
Windshield wipers 49
Compass 187
Calibrating 188
Setting compass zone 188
Compass zone 188
Consumer information 308
Control and operation of radio
transmitters 211

331 Index
Oil
Adding 221
Consumption 218
Dipstick 218
Oil dipstick 221
Viscosity 312
One-touch gearshifting 120
Canceling gear range limit 120
Downshifting 120
Upshifting 120
Opening
Doors from the inside 90
Fuel filler flap 214
Fuel filler flap manually 263
Glove box 164
Hood 217
Liftgate 89, 91
Liftgate from inside 91
Liftgate from outside 91
Rear quarter windows 146
Side windows 145Sliding/pop-up roof* 148, 265
Sliding/pop-up roof* in an
emergency 265
Storage compartment in front of
armrest 166
Storage compartment under passenger
seat 165
Windows 145
Opening and closing
Side windows 144
Operating
Garage door opener 185
Integrated remote control 185
Radio transmitters 211
Vehicle outside the USA and
Canada 13
Operating safety 17
Operator’s Manual 10
Ornamental moldings 236
Outside temperature indicator 118
Overdue service 233
Overhead control panel 29P
Paintwork 235
Panic alarm 75
Panic button on remote control 75
Parking and locking 53
Parking brake 47, 53
Engaging 53
Releasing 47
Parking lamps
Replacing bulbs 266, 267, 269
Replacing the bulbs 269
Switching on 107
Parktronic* 153, 313
Cleaning system sensor 237
Monitoring reach 154
Sensor cover 237
Switching off 156
Switching on 156
Warning indicators 155

332 IndexPartition net* 159
Engaging 159
Removing 161
Tightening 160
Parts see Spare parts service
Passenger compartment 211
Interior lighting 112
Passenger footwell
Fuse box in 288
Passenger safety see Occupant
safety 58
Pedals 193
Plastic and rubber parts
Cleaning 239
Poly-V-belt drive 314
Layout 293
Positions (Memory function*)
Recalling from memory 106
Storing into memory 106
Power assistance 193Power seat*
Adjusting backrest tilt 38
Adjusting head restraint height 38
Adjusting seat cushion tilt 38
Adjusting seat height 38
Seat fore and aft adjustment 37
Power seats* 37
Power train 314
Power washer 235
Power windows
Blocking of rear door window
operation 73
Side windows 144
Synchronizing 146
Practical hints
First aid kit 257
Fuses 287
Lamps in instrument cluster 242
Spare wheel 259
Towing the vehicle 283
Vehicle jack 258
Vehicle tool kit 257Premium unleaded gasoline 303
Problems
While driving 51
With vehicle 18
Product information 9
Programming or reprogramming the inte-
grated remote control 182
R
Radio transmitters, control and
operation 211
Rain sensor* 130, 131
Rapid seat heating
Switching off 99
Rapid seat heating*
Switching on 98
Reading lamp 29