51 31 011 Replace windshield

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Special tools required:

51 0 010

IMPORTANT:

The following notes form the basis for these repair instructions and must be adhered to at all times:

General instructions on window bonding:
- See SAFETY AT WORK

- See INFORMATION ON VEHICLE PROTECTION

- See MATERIALS FOR BONDING WINDOW

- See TOUCHING UP PAINTWORK DAMAGE

Remove with SPIDER .

The following new parts are required.

Material	Quantity
Windshield	1
Cover, windshield	1
Spacer buffer 5x5x20 mm	6
Small repair kit	1
Expanding foam tape	1

Preliminary work needed:

Remove right WINDSHIELD PANEL COVER

Remove COVER ON A-PILLAR on left/right
Remove TRIM PANELS FOR ROOF PILLAR at front
Remove INTERIOR REARVIEW MIRROR

Removal:

Depending on version:

Unplug plug connections (1 to 3).

Do not remount the rain-light solar and condensation sensor until after the windshield is disassembled.

Remove CAMERA .

NOTE: Cables torn from the windshield must not be soldered back in place. The windshield must be replaced.

Fig 1: Windscreen Plug Connections

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IMPORTANT: Pay attention to cable when cutting in this area.

Version with heated windshield:

Disconnect plug connection (1).

Secure cable with adhesive tape to windshield.

IMPORTANT: Pay attention to cable when cutting in this area.

Fig 2: Securing Cable With Adhesive Tape To Windshield

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IMPORTANT: Tape off body in area of piercing point with fabric adhesive tape.

Slide string along line (1) through adhesive bead.

Cut out WINDSHIELD .

Fig 3: Sliding String Along Line Through Adhesive Bead

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Remove the rain/light/solar and condensation sensor and immediately install on a new windshield.

INSTALLATION:

Lining spacer buffers (spacers):

IMPORTANT: To avoid windshield breakage and wind noises:
Completely remove remnants of removed spacer buffers and maintain installation location exactly.

Bond spacer buffer on mark on sheet metal flange.

Fig 4: Locating Lining Spacer Buffers (Spacers)

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Overview of windshield bonding:

Fig 5: Overview Of Windshield Bonding

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Cut	A - A	B - B	C - C
a [mm] = Position adhesive bead	5 ±1	5 ±1	7 ±1
b [mm] = Width adhesive bead	8 ±1
h [mm] = Height adhesive bead	12 ±1

If necessary, install RUBBER FRAME (1), paying attention to center markings in so doing.

Apply bead joint in area (2).

Using SUCTION LIFTER (51 3 010) , perform the following steps carefully on the windshield (1):

Position at top
Align sides evenly
Insert at bottom and press down
Press upwards until rubber frame rests evenly on roof
Adjust gap dimensions (see next operation)
secure in terms of height in this position at top with two yellow plastic adhesive tapes (2)

Fig 6: Fixing Window Glass With Suction Lifter (51 3 010)

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Windshield gap dimensions:

To avoid wind noises, the windshield (1) must be lower than the roof outer skin (2).

Measure distance (A) on left and right using special tool 51 0 010 .

Rubber frame (3) must be even and in parallel to roof outer skin (2).

(A) = 3 ± 1 mm

Fig 7: Measuring Windshield Gap Dimensions

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Only with camera-based driver support systems:

Carry out camera calibration via diagnostic system.

Under Service Functions menu:

Driver assistance
- Camera-based driver support systems
  - Calibration of camera-based driver support systems