2003 MERCEDES-BENZ ML320 bulb

251 Practical hints
Replacing bulbs

Align headlamp cover and click into
place.
Fog lamp bulbs
1Fog lamp

Switch off the lights.

Use a suitable object (e.g. screwdriver)
to press on the release lever behind the
front panel.
Front fog lamp1 releases.

Remove fog lamp out of bumper.2Bulb socket
3Tabs

Twist bulb socket2 counterclockwise
to its end stop and pull out.

Pull bulb out of the bulb socket.

Insert new bulb in socket.

Reinstall bulb socket2.

Twist bulb socket2 clockwise to its
end stop.

Reinstall fog lamp into the bumper.
Make sure that tabs3 firmly seat into
the slots of holder.
Replacing bulbs for rear lamps
Tail lamp assemblies
Switch off the lights.

Open liftgate.
1Screws
2Tail, parking and standing lamp
Fog lamp, driver’s side
3Side marker lamp
4Turn signal lamp
5Backup lamp
6Brake lamp

Remove screws1.

Remove tail lamp.


252 Practical hintsReplacing bulbs7Tabs
Squeeze tabs7 together and remove
bulb holder.

Gently push bulb into socket, turn
counterclockwise and remove.

Insert new bulb in socket, push in and
turn clockwise.

Reinstall bulb holder. You should hear
it engage.

Insert the tail lamp in the body, lower
edge first. Make sure that it engages.

Retighten screws with washers on
them.License plate lamp
1License plate lamp
2Screws

Switch off the lights.

Loosen both screws1 and remove
lamp.

Replace the tubular lamp and reinstall
lamp.

Retighten the screws.High mounted brake lamp
1Cover
2Tab

Switch off the lights.

Squeeze both sides of cover1, fold it
forward and remove.

Press tab2 on reflector and remove re-
flector.

Gently push bulb into socket, turn
counterclockwise and remove.

Insert new bulb in socket, push in and
turn clockwise.


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.

301 Index
B
BabySmart
TM
Airbag deactivation system 65
Compatible child seats 65, 293
Self-test 66
BabySmart
TM airbag deactivation
system 293
Backrest tilt 35
Backup lamps 248, 251
Bulbs 248
BAS 73, 293
Malfunction indicator lamp 225, 226
Warning lamp 225, 226
Batteries, remote control
Changing 243
Batteries, vehicle 207
Battery discharged
Jump starting 264
Battery indicator lamp
Indicator lamp 233
Battery, vehicle 207, 261
Charging 262
Disconnecting 261
Reconnecting 262
Reinstalling 262
Removing 262Bi-Xenon headlamps* 293
Block heater 214
Blocking
Rear door window operation 69
Brake assist system (BAS) 293
Brake fluid 286
Brake lamp bulbs 248
Brake lamp, high mounted 248
Brake pad wear
Indicator lamp 234
Brakes 180
Warning lamp 228
Break-in period 178
Bulbs, replacing 247
Additional turn signals 247
Backup lamps 248
Brake lamps 248
Fog lamps 247
Front fog lamp 251
Front lamps 247
High beam 247
High mounted brake lamp 248, 252
License plate lamps 248, 252
Low beam 247
Parking lamps 247, 248, 250
Rear fog lamp 248Rear fog lamps 251
Rear side marker lamp bulbs 251
Side marker lamps 247, 248, 250
Standing lamps 247, 248
Tail lamp assemblies 248, 251
Turn signal lamps 247, 248, 250
C
CAC (Customer Assistance Center) 293
Calibrating compass 174
California
Important notice 11
Calling up
Service indicator 216
CAN system 293
Capacities
Fuels, coolants, lubricants, etc. 284
Cargo area cover blind* 143
Closing 143
Installing 143
Opening 143
Removing 143
Cargo area see Cargo compartment 85
Cargo compartment
Liftgate 85
Lighting 109
Tie-down rings 140

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

308 IndexInterior lighting 107
Activating automatic control 107
Deactivating automatic control 107
Manual operation 108
Reading lamps 108
Interior storage spaces 152
Armrest 153
Cup holder 155
Glove box 152
Storage compartment in front of
armrest 153
Storage compartment under front
passenger seat* 152
Intermittent wiping 122
J
Jack 237, 238
Jump starting 264
K
Key
Global locking 85
Global unlocking 85
Loss of 86
Positions in steering lock 33
Remote control with folding key 84
Unlocking liftgate 85Unlocking the driver’s door, fuel filler
flap 85
Key positions in steering lock 33
Key, Mechanical 242
Key, Remote control
Unlocking with 32
Kickdown 117, 294
L
Labels, identification 276
Lamp bulbs, exterior 247
Lamps, exterior
Front 247
Rear 248
Lamps, indicator and warning
4-ETS 224, 226
ABS 225
Adjustable steering column 229
AIRBAG OFF 59, 232
BAS 73, 225, 226
Battery indicator lamp 233
Brake pad wear 234
Brakes 228
CHECK ENGINE 232
Coolant 230
EBP 229Engine diagnostics 232
ESP 224, 225, 226
Front fog lamps 229
Fuel reserve 233
Instrument cluster ??–233
Low engine oil level 229
LOW RANGE 226
Low washer system fluid level 234
Seat belts 234
Service indicator 215
SRS 54, 227
Turn signals 25
LATCH child seat anchors 68
LATCH child seat mounts 68
Layout of poly-V-belt drive 277
Leather upholstery
Cleaning 222
Lever
For cruise control 146
License plate lamps
Replacing bulbs 248, 252
Liftgate
Closing 88
Opening 85, 87
Opening from inside 87
Opening from outside 87

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