51 31 011 Replace windscreen
Special tools required:
- The GENERAL PROCEDURE FOR DISMANTLING/INSTALLATION OF AFFIXED WINDOW GLASS serves as the basis for this repair instruction and must be observed without fail.
Removal is carried out with SPIDER .
The following new parts/CONSUMABLES are required.
| Material | Quantity |
|---|---|
| Windscreen | 1 |
| Spacer buffer 5x5x20 mm | 10 |
| Large repair kit | 1 |
| Cover, windscreen | 1 |
| Sika Activator 205 (for windscreen cover) | 1 |
Necessary preliminary tasks:
- Remove ENGINE COMPARTMENT LID
- Remove COWL PANEL COVER
- Remove both sides of ROOF FRAME TRIM PANELS
- Remove INSIDE MIRROR
- Remove TRIM PANEL FOR ROOF PILLAR (A-pillar) left/right
Depending on version:
Unplug plug connections (1 to 3).
Do not remount the rain-light solar and condensation sensor until after the windscreen is disassembled.
Remove camera.
Attention!
Tape off body in area of piercing point with fabric adhesive tape.
Slide nylon string out of SPIDER along line (1) through adhesive bead.
For details on how to proceed, refer to: WINDOW REMOVAL WITH "SPIDER" .
Attention!
Risk of damage!
A positioning pin (1) is located on the left and right at the top of the A-pillar area.
Positioning pin (1) is secured to windscreen with double-sided adhesive tape.
Release positioning pin (1) from windscreen using special tool 00 9 327 until nylon string (2) can be fed between positioning pin (1) and windscreen.
Install the COVER/RUBBER FRAME (1) for the windscreen.
Pre-treat adhesive area with Sika-Aktivator205.
Remove the RAIN/LIGHT/SOLAR AND CONDENSATION SENSOR and immediately install on a new windscreen.
To prevent windscreen breakage and wind noise, completely remove any remnants of disassembled spacer buffers (1) and maintain the installation position exactly.
5 spacer buffers are fitted on each side.
Bond spacer buffer to window edge at points of equal distance.
For new side frame/A-pillar:
Roughen plastic adhesive area (1) on new part (without adhesive bead) using ScotchBrite Multiflex 51 91 0 402 967 emery pad.
Check expanding foam tape (1) for damage.
If required, stick new expanding foam tape (1) on the total width of instrument panel.
Expanding foam tape (1) must be bonded above the aperture (2) for chassis number.
Observe notes on COMPONENT BONDING with adhesive tape!
Overview of windscreen bonding:
| Cut | A - A | B - B | C - C |
|---|---|---|---|
| a [mm] = Position adhesive bead | 3 ±1 | 13 ±1 | 3 ±1 |
| b [mm] = Width adhesive bead | 7 ±1 | ||
| h [mm] = Height adhesive bead | 12-2 |
x = approx. 200 mm (bead joint distance (1) to windscreen outer edge)
Two glue cartridges are required.
In order that the second bead joint can also be set in bottom area of windscreen, adhesive tape must be applied in a clockwise direction from the start (1).
Insert windscreen (1) into body using positioning pin (2).
Fix windscreen (1) at top using two yellow plastic adhesive tapes (2).
Preload on top of windscreen to prevent wind noise:
Windscreen (1) must be lower than roof outer skin (2). This is the only way to prevent wind noises.
Position special tool 51 0 010 in middle of vehicle depending on dimension (A) and check underprotrusion of windscreen (1).
Windscreen underprotrusion (A):
A = 2.5 ± 1 mm
X = Measurement stages 1... 4 mm
Only with camera-based driver support systems:
Carry out camera calibration via diagnosis system.
Under Service Functions menu:
- Driver assistance
- Camera-based driver assistance systems
- Calibration of camera-based driver support systems
- Camera-based driver assistance systems