62 30 517 Adjusting Head-Up Display (Height Adjustment)
Special tools required:
The following text only describes how to adjust the height of the head-up display.
How to CORRECT A LOPSIDED DISPLAY (DISPLAY ADJUSTMENT) is described separately.
Vehicles with head-up displays are fitted with special windscreens.
These windscreens are marked with the letters "HUD" on the outside at bottom right below the seal (1).
Prior to adjustment, fold seal (1) back and make sure that a correct windscreen is fitted.
Necessary preliminary tasks:
- Check that windscreen bears the "HUD" label
- Move steering wheel into maximum "lower" and "retracted" position
- Unclip both sun visors from counter-supports and fold to one side
- If necessary, cover windscreen (to darken the adjustment image)
- Switch on head-up display.
- Call up test image via diagnosis for height adjustment
Switch on test image for max. 1/2 hour.
If test image is operated for a longer period, switch fan to speed 3 to avoid overheating.
Do not scratch windscreen when installing and removing special tool 62 1 121.
Carefully engage special tool 62 1 121 in both counter-supports (1) of sun visors.
If special tool 62 1 121 is difficult to engaged, if necessary release its adjusting screws and turn/switch the associated locators.
Center special tool 62 1 121 and secure with adjusting screws (2).
Check HEIGHT ADJUSTMENT using scale on special tool 62 1 121.
If height adjustment is not correct:
- Remove ON-BOARD MONITOR
- To avoid damage: apply fabric adhesive tape (1) in area of on-board monitor to decorative strip on instrument panel on right side (2).
- Fit special tool 62 1 122 as illustrated on lock nut (3).
- Release lock nut (3).
- Correct height adjustment by turning eccentric.
- Secure lock nut (3), tightening torque: 62 30 1AZ . See HEAD-UP DISPLAY for specs.
Switch off ignition.