2000 Mercedes ML-Class Owner's Manual - Page 271

Instruments and controls Exterior lamps Operation Driving Instrument cluster display Practical hints Car care Technical data Index 268 1. Park vehicle on level surface approximately 6 inches (152 mm) from a vertical test screen or wall. The centerline of the vehicle must be at a 90° angle to the test screen. 2. (High beams on): Using a carpenter's level, align and mark a vertical centerline (1) on the test screen for each headlamp lens at a distance of 25 3/4 inches (654 mm) from the vertical centerline. As a check, the distance between centerlines should be 51 1/2 inches (1308 mm). The star emblem on the hood may be used to determine the vehicle centerline. If the distance does not check, have the system verified at an authorized Mercedes-Benz Light Truck Center. 3. Move vehicle on the level surface 25 feet (7.6 m) straight back from the wall. 4. Open hood. Adjusting headlamp aim H low beam V Correct headlamp adjustment is extremely important. To check and readjust a headlamp, follow steps 1 through 7. Please note: • High beam adjustments simultaneously aim the low beam. • Vehicle should have a normal trunk load.