2003 MERCEDES-BENZ ML320 seat adjustment

91 Controls in detail
Seats
Seats
Information on seat adjustment can be
found in the “Getting started” section
(page 34).
Seat heater*
The seat heaters can only be switched on
with the engine running.
The switches are located on the upper cen-
ter console.
1Normal heating
2Rapid heatingSwitching on normal seat heating mode

Press upper part1 of switch.
One indicator lamp in the switch lights
up.
Switching off normal seat heating
mode

Press upper part1 of switch again.
The indicator lamp in the switch goes
out.
Switching on rapid seat heating mode

Press lower part2 of switch.
Both indicator lamps in the switch light
up.Switching off rapid seat heating mode

Press lower part2 of switch again.
Both indicator lamps in the switch go
out.
iThe seat heater will be automatically
switched off after approximately
20 minutes.
iThe system switches over to normal
heating mode after approximately five
minutes. Only one indicator lamp re-
mains lit.!If one or both of the lamps on the seat
heater switch are blinking, there is in-
sufficient voltage available since too
many electrical consumers are turned
on. The seat heater switches off auto-
matically.
The seat heater will switch back on
again automatically as soon as suffi-
cient voltage is available.

253 Practical hints
Replacing bulbs

Insert reflector from the left so that it
engages on the right.

Position tabs of cover in slots and rein-
stall cover until properly seated.
Adjusting headlamp aim
VVertical centerline
HHeadlamp mounting high, measured
from the center Correct 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 102).
If the beam does not show a beam pattern
as indicated in the figure left, then follow
the steps below:

Open hood (
page 202).
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.
iHigh beam adjustments simultaneous-
ly aim the low beam.
Vehicle should have a normal trunk
load.
iIf it is not possible to obtain a proper
headlamp adjustment, have the system
checked at your authorized
Mercedes-Benz Light Truck Center.

299 Index
A
ABS 25, 71, 293
ABS control 71
LOW RANGE mode 72
Malfunction indicator lamp 225
Warning lamp 225
Accelerator position, automatic
transmission 117
Accident
In case of 49
Activating
Air circulation mode 130
Air recirculation mode 129
Anti-theft alarm system 78
Automatic climate control 125
ESP 77
Exterior headlamps 46
Hazard warning flasher 106
Headlamps 46
High beams 102
Ignition 33
Immobilizer 51, 78
Rear passenger compartment
ventilation and climate control 131
Rear window defroster 131
Rear window wiper 48Residual heat 130
Seat heater 91
Tow-away alarm 80
Warning indicators (Parktronic*) 151
Windshield wipers 48
Activating automatic central locking 89
Adding
Coolant 206
Engine oil 204, 205
Additional turn signals 247
Adjustable steering column
Indicator lamp 229
Adjusting 34
Backrest tilt 36, 37
Exterior rear view mirror 38
Head restraint height 36, 37
Head restraint tilt 36, 37
Headlamp aim 253
Instrument cluster illumination 110
Manual seat 35
Mirrors 38
Power seats 37
Seat cushion tilt 37
Seat fore and aft 35
Seat fore and aft adjustment 37
Seat height 35, 36Seats 34
Steering wheel 37
Adjusting air distribution
Automatic climate control 127
Adjusting air volume
Automatic climate control 127
Air conditioner (cooling)
Turning on 129
Air conditioning
Cooling 129
Air conditioning refrigerant 286
Air outlets
Automatic climate control 132
Air pressure see Tire inflation pressure 211
Air pump 238
Air recirculation mode 128
Activating 129
Deactivating 129
AIRBAG OFF
Warning lamp 232
Airbags 55
BabySmart
TM airbag deactivation
system 293
BabySmartTM deactivation system 65
Children 56
Front 59

303 Index
Compass 173
Calibrating 174
Setting compass zone 174
Compass zone 174
Consumer information 291
Control and operation of radio
transmitters 197
Coolant 206, 287
Adding 206
Anticorrosion/antifreeze quantity 288
Checking level 206
Indicator lamp 230
Temperature 199
Temperature gauge 111
Coolant level
Checking 201, 206
Crossing obstacles 190
Cruise control 146, 293
Canceling 147
Driving downhill 147
Driving uphill 147
Fine adjustment 148
LOW RANGE mode 148
Saving current speed 147
Setting speeds 148Cruise control lever 146
Cup holder 154
Cleaning 221
In front seat armrest 155
In instrument panel 154
In rear centerconsole 155
Customer Assistance Center (CAC) 293
D
Daytime running lamp mode 103
Deactivating
Air conditioning (cooling) 129
Air recirculation mode 129
Alarm 79
Anti-theft alarm system 79
Automatic climate control 125, 127
Cruise control 147
Defrost 128
Engine 51
ESP 76
Front fog lamps, rear fog lamp 105
Hazard warning flasher 106
Headlamps 51
Immobilizer 78
Rear passenger compartment
ventilation and climate control 131Rear window defroster 131
Residual heat 130
Seat heater 91
Tow-away alarm 80
Tow-away alarm (vehicles with trip
computer*) 80
Tow-away alarm (vehicles without trip
computer) 81
Deactivating automatic central locking 89
Deep water see Standing water 185
Defogging
Windshield 128
Defrosting 128
Difficulties
While driving see Problems while
driving 49
With starting 45
Direction of rotation (tires) 210
Discharged battery
Jump starting 264
Disconnecting
Vehicle battery 261
Display
Engine oil level 204
Display in the speedometer 111

305 Index
Engine
Compartment 202
Starting 44
Technical data 278
Turning off 51
Engine cleaning 219
Engine compartment
Fuse box in 271
Hood 202
Engine malfunction indicator lamp 25, 232
Engine number 293
Engine oil 203, 286
Adding 204, 205
Additives 286
Checking level 203
Consumption 203
Filler neck 205
Viscosity 294
Engine oil level indicator 204
Engine oil level see Oil level 201
Enlarged cargo area 93
Error
Display messages 235
ESP 25, 75, 294
LOW RANGE mode 76
Malfunction indicator lamp 225, 226Switching off 76
Switching on 77
Warning lamp 224, 225, 226
ETD 294
Safety guidelines 57
ETD (Emergency Tensioning Device) 54
ETD (Emergency tensioning device) 62
Exterior mirrors
Folding 120
Exterior rear view mirrors 38
Adjusting 38
F
Fastening the seat belts 40
Fine adjustment
Cruise control 148
First aid kit 236
Flat tire 255
Inflating the spare tire 259
Lowering the vehicle 258
Mounting the spare wheel 255
Preparing the vehicle 255
Spare wheel 239
Flexible Service System (FSS) 215, 294
Flexible service system (FSS) 25
Fluid level
Automatic transmission 206Fog lamp, rear 248
Fog lamps 105
Replacing bulbs 247
Fog lamps, front
Replacing bulbs 248
Switching on 105
Folding
Exterior mirrors 120
4-ETS 25, 73
Indicator lamp 226
LOW RANGE mode 74
Malfunction indicator lamp 226
Warning lamp 224
Front airbags 59
Front fog lamps
Indicator lamp 229
Switching off 106
Front lamps
Replacing bulbs 247, 249
Switching on 102
Front towing eyes 269
FSS 25
FSS (Flexible Service System) 215, 294
Fuel 200
Additives 287
Fuel reserve warning lamp 233

307 Index
Headlamps
Automatic control 103
Bi-Xenon 293
Cleaning 220
Cleaning system 121
Cleaning system* 208
Refilling washer fluid 208
Switching off 51
Switching on 46
Washer fluid 290
Washer system 290
Headliner
Cleaning 221
Heated seats 91
Height adjustment
Head restraints 36, 37
Seat belts 43
Steering wheel 37
High beam flasher 47, 102
High beam headlamps
Replacing bulbs 247, 250
Switching on 102
High mounted brake lamp 248
Replacing bulbs 252Hood 202
Closing 203
Opening 202
Hooks
Loading 140
Hydroplaning 183
I
Identification labels 276
Certification label 276
Vehicle identification number
(VIN) 276
Ignition 33
Immobilizer 78
Activating 51, 78
Deactivating 78
Indicator lamp
Adjustable steering column 229
Brake pad wear 234
Coolant 230
Front fog lamps 229
Low engine oil level 229
Indicators, additional
Speedometer display 235
Infant and child restraint systems 63
Installing 67
LATCH child seat mounts 68Inflating
Spare tire 259
Information
About service and warranty 10
Button for Tele Aid* 165
Inside rear view mirror
Antiglare 119
Installing
Head restraint 92
Infant and child restraint systems 67
Wiper blades 254
Instrument cluster 24, 110, 294
Cleaning 221
Coolant temperature gauge 111
Display in the speedometer 111
Illumination 110
Lamps in 233
Outside temperature indicator 112
Instruments and controls see Cockpit 22
Integrated remote control
Canadian programming 171
Erasing memory 171
Hand-held transmitter 169
Operating 171
Rolling code programming 170

309 Index
Light alloy wheels
Cleaning 221
Lighter
Rear center console 157
Lighter see cigarette lighter 156
Lighting 102
Automatic headlamp mode 103
Cargo compartment 109
Combination switch 102
Daytime running lamp mode 103
Door entry lamps 107
Front fog lamps 105
High beam flasher 102
High beams 102
Instrument cluster illumination 110
Interior 107
Locator lighting 105
Low beam 102
Night security illumination 104
Parking lamps 102
Limiting the gear range 114
Limp Home Mode 117
Line of fall 294
Loading 139
Cargo area cover blind* 143
Cargo floor plates 144Cargo tie-down rings 140
Hooks 140
Instructions 139, 140
Partition net* 141
Roof rack 145
Split rear bench seat 93
Trailer 193
Locator lighting 105
Lock button 294
Locking 84
Automatic while driving 89
Centrally from inside 90
Fuel filler flap 200
Global 85
Vehicle in an emergency 243
Locking knobs 32
Loss of keys 86
Loss of Service and Warranty Information
Booklet 275
Low beam headlamps
Replacing bulbs 247, 249
Switching on 46
Low engine oil level
Indicator lamp 229
LOW RANGE - 4-ETS 74
LOW RANGE - ABS 72LOW RANGE - ESP 76
LOW RANGE mode 118
Low washer system fluid level
Indicator lamp 234
Lowering
Vehicle 258
M
Main dimensions 282
Maintenance 12
Display messages 235
Manual operations
Fuel filler flap 244
Interior lighting control 108
Locking the vehicle 243
Sliding/pop-up roof 246
Unlocking the driver’s door 242
Unlocking transmission selector
lever 245
Manual seat
Adjusting 35
Adjusting backrest tilt 36
Adjusting head restraint height 36
Adjusting head restraint tilt 36
Seat fore and aft adjustment 35
Seat height 35

311 Index
Sliding/pop-up roof in an
emergency 246
Sliding/pop-up roof* 137
Storage compartment in front of
armrest 154
Storage compartment under passenger
seat 153
Windows 135
Opening and closing
Side windows 134
Operating
Garage door opener 171
Integrated remote control 171
Radio transmitters 197
Vehicle outside the USA and
Canada 13
Operating safety 17
Operator’s Manual 10
Ornamental moldings 220
Outside temperature indicator 112
Overdue service 215
Overhead control panel 29
P
Paintwork 219
Panic alarm 70
Panic button on remote control 70Parking 182
Trailer towing 196
Parking and locking 50
Parking brake 45, 50
Engaging 50
Releasing 45
Parking lamps
Replacing bulbs 247, 248, 250
Replacing the bulbs 250
Switching on 102
Parking position
Exterior rear view mirrors 100
Parktronic* 149, 295
Cleaning system sensor 220
Monitoring reach 150
Sensor cover 220
Switching off 151
Switching on 151
Warning indicators 150
Partition net
Engaging 141
Removing 142
Tightening 142
Partition net* 141
Parts see Spare parts servicePassenger compartment 196
Interior lighting 107
Passenger footwell
Fuse box in 272
Passenger safety see Occupant safety 54
Pedals 179
Plastic and rubber parts
Cleaning 222
Poly-V-belt drive 295
Layout 277
Positions (Memory function*)
Recalling from memory 100
Storing into memory 100
Power assistance 179
Power seat*
Adjusting backrest tilt 37
Adjusting head restraint height 37
Adjusting head restraint tilt 37
Adjusting seat cushion tilt 37
Adjusting seat height 36
Seat fore and aft adjustment 37
Power seats 37
Power train 295
Power washer 218