282 Practical hintsReplacing bulbsAdjusting 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 107).
If the beam does not show a beam pattern
as indicated in the figure left, then follow
the steps below:
Open hood (
page 222).
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 an authorized
Mercedes-Benz Light Truck Center.
349 Index
Trip computer* 29, 189
Average fuel consumption 192
Compass 190
Country 193
Distance remaining 192
Language 193
Selecting functions 189
Setting date 189
Stop watch 192
Switching on 189
Trip odometer
Resetting 119
Trip odometer display 118
Trunk see Cargo compartment
Turn signal lamps
Replacing bulbs 274, 275
Turn signal, side marker lamp
Replacing bulbs 274
Turn signals 50
Additional in mirrors 274
Cleaning lenses 242
Front bulbs 274
Indicator lamps 25
Rear bulbs 275, 279Turning off
Engine 55
TWR (Tongue Weight Rating) 327
U
Unlocking 32, 88
Centrally from inside 94
Driver’s door in an emergency 268
Driver’s door, fuel filler flap 89
Fuel filler flap 219
In an emergency 268
Transmission selector lever
manually 270
Vehicle in an emergency 182
With the remote control 32
Upgrade signals
Tele Aid* 181
Uphill driving
Cruise control 154
Upholstery
Cleaning 245
Upshifting 121Useful features 167
Ashtrays and cigarette lighter 171
Cup holder 169
Electrical outlet 173
Garage door opener 183
Storage compartments 167
Tele Aid* 174
Telephone* 173
Trip computer* 189
V
Vehicle
Data recording 20
Locking 28
Locking in an emergency 269
Lowering 287
Proper use of 17
Service battery 272
Towing 293
Unlocking 28
Unlocking in an emergency 268
Vehicle and trailer weights and
ratings 212
Vehicle battery 272
