Test Requirements for Headlight Vertical Aim Adjustment

63 10 ... Test Requirements For Headlights Vertical Aim Adjustment







- Car parked on level ground.
- Replace faulty glass and mirrors and blackened light bulbs.
- Check tyre pressure and correct if necessary.
- Apply load equivalent to one person on driver's seat (approx. 75 kg).
- Vehicle with full fuel tank or appropriate additional weight in luggage compartment.
- Correct adjustment of headlights in relation to engine hood (gap dimensions).
- Manual headlight vertical aim control: Turn handwheel to 0 position.
- Automatic headlight vertical aim control: Wait approx. 30 seconds after switching on lights.
- Version with xenon headlights: Wait 80 seconds after switching on lights. During this time, do not move the vehicle and avoid vibrations.
- Align headlight aimer with vehicle longitudinal axis and parallel to parking surface. Set marking line (M) on aimer to distance (e). Scale graduations on aimer are equal to a gradient in cm at a distance of 10 meters.







Light/dark boundary of headlights in headlight aimer

e Adjustment dimension, headlights:
- as per type plate on headlight housing in % (e.g.: 1.0 % = 10 cm / 10 m = 10 on headlight aimer).
Adjustment dimension, fog lights:
- all vehicles 2.0 % = 20 cm / 10 m = 20 on headlight aimer.

H Height of centre of headlight above parking surface.
h H - e = height of marking line above parking surface
+ Central mark = centre point of high-beam headlight.
M Marking line of headlamp aimer
S Parking surface of vehicle and headlight aimer

Adjustment dimension (e) is only valid for EUR. Observe differing national regulations.