Mercedes-Benz 2001 ML 55 AMG - Manual (Page 272)

269 Exterior lamps
Technical
data
Instruments
and controls
Operation Driving
Instrument
cluster display
Practical hints Car care Index
5. (High beams on):
Simultaneously turn adjusting screws (1 and 2 on
page 261 or 262) counterclockwise to adjust
headlamp downward, clockwise upward) equally
until bubble in the level (7 on page 261) is centered
on the “0” mark.
Graduations:
screw 1: 0.50 ° pitch,
screw 2: 0.67 ° pitch.
6. Horizontal headlamp aim (High beams on):
Turn adjusting screw (2) (left headlamp:
counterclockwise to adjust to the left, clockwise to
the right [right headlamp in opposite direction])
until the headlamp (high beam pattern) is centered
about the vertical centerline (1) as shown.
The left and right headlamps must be adjusted
individually.
7. For proper aim, the indicator (8 on page 261) should
align with the “0” mark after horizontal adjustment.
Graduations: 0.33 ° pitch.
Note:
If it is not possible to obtain a proper headlamp
adjustment, have the system checked at your authorized
Mercedes-Benz Light Truck Center.