Mercedes Benz 2009 M-Class User Manual

Page of 585
493
Practical hints
Replacing bulbs
Example headlamp, driver’s side
2 Headlamp vertical adjustment screw
3 Headlamp vertical adjustment screw
Always turn adjustment screws
and
3 simultaneously for vertical ad-
justment until the headlamp is adjust-
ed as shown
1 (
page 492). Turn 
clockwise for upward movement and 
counterclockwise for downward move-
ment.
Graduations:
screw
2: 0.50° pitch
screw
3: 0.67° pitch
The left and right headlamps must be ad-
justed individually.
i
If it is not possible to obtain a proper head-
lamp adjustment, have the system checked at an 
authorized Mercedes-Benz Light Truck Center.