63 10 022 Adjusting dynamic light spot headlights (with headlight adjustment aid)

• After removing and installing/replacing the Dynamic Light Spot headlight
• After removing and installing/replacing the front bumper panel

Requirements for adjusting the Dynamic Light Spot headlight with headlight adjustment aid: 

• COMPLY WITH TEST PREREQUISITES FOR HEADLIGHT ADJUSTMENT .
• Position vehicle in front of vertical surface, e. g. a wall (1), as shown.
• Distance (A): 4 - 10 m
• Dim lighting is helpful.
• Have a tape measure and black adhesive tape (maximum width of 2 cm) ready.

Prepare the headlight adjustment aid (2 299 574) as shown:

• Insert rods (1) into mountings (2) with identification (A, B) and clamp.
• Insert rods (3) into mountings (2) with identification (C, D) and clamp.
• Position front mountings (C, D) with rods (3) on headlight adjustment aid (2 299 574) as follows:
  • Mounting (C) at C5
  • Mounting (D) at D5
  Fig 2: Adjusting Dynamic Light Spot Headlights Using Headlight Adjustment Aid (2 299 574)
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• Position rear mountings (A, B) with rods (1) on headlight adjustment aid (2 299 574) as follows:
  • Mounting (A) at A4
  • Mounting (B) at B4
• Secure the laser (4) on the adjustment aid of the headlight (2 299 574). To switch on the laser (4) slide up the flap in front of the laser (4).

Fig 3: Adjusting Dynamic Light Spot Headlights Using Headlight Adjustment Aid (2 299 574)

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Position headlight adjustment aid (2 299 574) at marked openings (1) in engine compartment as shown.

Align headlight adjustment aid (2 299 574) with longitudinally adjustable rods (2) using bubble level (3).

Fig 4: Aligning Headlight Adjustment Aid (2 299 574) With Longitudinally Adjustable Rods Using Bubble Level

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Position a suitable object, such as the displayed tool (4), laterally to the bead (3). Laser beam (1) must strike tool (4) at the point of intersection with bead (2).

If not, correct the alignment of the headlight adjustment aid (2 299 574).

Switch the ignition on.

Perform test procedure via path:

• Body
• Lights
• Headlights for targeted illumination

Fig 5: Caution For Aligning Headlight Adjustment Aid (2 299 574) With Longitudinally Adjustable Rods Using Bubble Level

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Determining distances: 

Measure and note down distance (A) between middle of Dynamic Light Spot headlight (3) and floor (2).

Measure and note down distance (B) between laser beam (1) and floor (2) on the vehicle  .

Determine and note down distance (C):

Distance (C) = distance (B) - distance (A)

Fig 6: Adjusting Dynamic Light Spot Headlights (With Headlight Adjustment Aid)

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Attach adhesive tape markings (3, 4, 5 shown in black in the graphic) to the wall: 

1. Mark vertical laser beam (1) for example with adhesive tape (3) to wall (distance from floor (6) approx. 20 cm).
2. Measure distance (B) = 75 cm at top and bottom ends of adhesive tape (3) on both sides and mark. Connect the marks with adhesive tape (4).
3. Measure distance (C) from the previous operation from the horizontal laser beam (2) on both sides downwards and mark with adhesive tape (5).
   Fig 7: Measuring Distance Between Middle Of Dynamic Light Spot Headlight And Floor

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Check adjustment of Dynamic Light Spot headlight as follows: 

Light pattern of the Dynamic Light Spot headlight must be within the area (1) on both sides.

Here 1/3 of the light pattern must be above and 2/3 below line (2).

Fig 8: Measuring Distance Between Horizontal Laser Beam To Adhesive Tape Mark

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Examples of light patterns: 

Dynamic Light Spot headlight, left side:

1. Incorrect setting: Horizontally too high, vertically too far right
2. Correct adjustment

   Dynamic Light Spot headlight, right side:

3. Incorrect setting: Horizontally too high, vertically correct
4. Correct adjustment
Fig 9: Checking Adjustment Of Dynamic Light Spot Headlight
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If necessary, adjust Dynamic Light Spot headlight (3) with screws (1, 2).

Fig 10: Identifying Dynamic Light Spot Headlight And Screws

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