63 10... Test requirements for headlights vertical aim adjustment: Notes

• Refer to the operating instructions for the headlight adjustment device
• Park vehicle on flat and even surface.
• Replace faulty glass and mirrors and blackened light bulbs.
• Correct adjustment of headlights in relation to engine compartment lid (gap dimensions).
• Check tyre pressure and correct if necessary.

  Only halogen headlight, fog light and headlight for Dynamic Light Spot: 

• 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.
• Switch on ignition.
  Fig 1: Identifying Low Beam/Driving Light Position, Light Switch Position And Neutral Position

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• Manual headlight beam throw adjustment: Move handwheel to neutral position (1).
• Light switch must be in "low beam/driving light" position (3). 
• Do not carry out the headlight adjustment in the "automatic driving lights control" light switch position (2). 
• Version with Xenon or LED (automatic headlight beam throw adjustment):  Wait 80 s after switching on lights. During this time, do not move the vehicle and avoid vibrations.

Fig 2: Identifying Headlight Vertical Aim Adjustment

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Align headlight aimer with vehicle longitudinal axis and parallel to parking surface. Set marker line {M} on aimer to {e}. Scale graduations on aimer are equal to a gradient in cm at a distance of 10 meters.