Adjusting Led Headlights
- Irreparable damage to control unit
- Damage to control unit
- Fault entries in the control unit
- Control unit programming/coding is aborted
- Malfunctions in the control unit, even during programming/coding
→ Switch off ignition before disconnecting the control unit.
→ Make sure that the power supply is not interrupted during programming/coding.
→ Connect the battery charger with at least > current 90 A to the vehicle battery.
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Headlights that are not adjusted correctly at the sides, particularly MXB headlights, can have a considerable dazzling effect.
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The > VAS 5208A - Headlight aiming device or > VAS 5209B - Headlight aiming device can be used for adjusting the LED headlights.
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Only for C02 vehicles: Lateral adjustment of the headlights is not permitted. The adjusting screw is blocked by a seal.
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Check the following when adjusting the headlight:
- Vehicle and headlight aiming device must be standing on a level surface.
- Vehicle must not be loaded and the tyre pressure must comply with the specified values.
- Steering in straight-ahead position.
- Headlight adjustment is performed with the ignition on/vehicle ready for operation.
- Align headlight aiming device parallel to the vehicle axle and position it with respect to the centre axis and height of the dipped beam headlight.
- Switch on ignition and turn on dipped beam headlights.
- Adjust headlights.
- 3.1 Height adjustment: Adjust light/dark limit well below the nominal value using adjusting screw -A-
.
Then, adjust nominal value from bottom to top. > Adjustment value - 1 % +/- 0.2 %
- 3.2 Lateral adjustment: Adjust salient point of the light/dark limit to centre height adjustment position using adjusting screw -B- . > Adjustment value 0 % +/- 0.2 %
Setting LED headlights
A Height adjustment B Lateral adjustment Adjusting LED headlights
- 3.1 Height adjustment: Adjust light/dark limit well below the nominal value using adjusting screw -A-
.