2010 Mercedes ML-Class Owner's Manual - Page 319
2010 Mercedes ML-Class Manual
Page 319 highlights
Replacing bulbs License plate lamps Correct headlamp adjustment is extremely important. High beam adjustments simultaneously aim the low beam. To check and readjust a headlamp, follow the steps described: X 317 Park the vehicle on a level surface 25 feet (7.6 m) from a vertical test screen or wall. X Make sure the vehicle has a normal tailgate load. X Switch on the low beam headlamps L. X Open the hood (Y page 212). Adjusting headlamp aim : V Vertical centerline ; H Horizontal mounting height, measured from the center The adjustment screws are located under the cover panel. X Insert a suitable tool into the openings in the panel cover. The direction of arrows = and ? indicate the angle in which the tool has to be inserted in oder to access the adjustment screws. X Always turn the adjustment screws equally for vertical adjustment until the headlamp is adjusted as shown in :. Turn clockwise for upward movement and counterclockwise for downward movement. Graduations: RScrew RScrew at arrow =: 0.67° pitch at arrow ?: 0.50° pitch The left and right headlamps must be adjusted individually. Z Practical hints X Loosen screws : of lamp cover to be removed. X Remove lamp cover ;. X Replace the bulb. X Reinstall lamp cover ;. X Retighten screws :. If the beam does not show a beam pattern as indicated in the figure left, then follow the steps below: