Installing The Panoramic Glass Sunroof

Lay out following parts ready:
- Adhesive in the adhesive gun
- Windshield
- Rear window
- Roof trim strips
- Presetting fixing tools
- 6 locking pliers (windshield area)
- 6 fixing pliers (rear window area)
NOTE:
TECHNICAL INFORMATION
Process the following steps within 15 minutes:
1. Apply adhesive.
2. Position and secure the roof outer skin.
3. Apply adhesive to the nodes on the A-pillar and C-pillar.
4. Remove excess adhesive.
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Clean the bonding surfaces (1) on the body and on the new part with a cleaning agent R1. Adhere to the air drying time of 2 min!
CONSUMABLE SPECIFICATION

Cleaning agent R1 100 ml, Bottle 83192211217
Apply adhesive K2 to the bonding surfaces (1).
ADHESIVE SPECIFICATION

Body adhesive K2 2x290 ml 83192355849
Guide the nozzle at a maximum angle of 60° on the adhesive flange.
The adhesive bead has a cross-section of approximately 5 ± 1 mm x 10 ± 1 mm.

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Place the panoramic glass sunroof with the help of 3 auxiliary persons simultaneously in the center of the vehicle.
Align the panoramic glass sunroof to the front edge on the front roof brace.
Fit the rear window and the roof trim strip for checking the correct installation position of the panoramic glass sunroof.

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Position clamping tools only on stiffening embossings (1) in adhesive flange area of the roof outer skin. This guarantees the correct distance and hence the correct amount of adhesive between the roof outer skin and the roof frame.

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Fix roof outer skin with the securing tools 2 469 797 .

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Fix the panoramic glass sunroof in the area of the windshield and the rear window with the locking pliers (1).

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NOTE: TECHNICAL INFORMATION
Adhesive hardening time K2:
The clamping tools must remain in the vehicle for at least 1 h.
Do not shift the vehicle during this period. Only then is it permitted to proceed with subsequent installation work.
Check whether the reference bead has hardened after 2 hours hardening time (15 - 38°C).
After bonding, the vehicle must remain parked for at least 12 hours at room temperature (15 - 38°C).
The vehicle is then ready for operation.
Observe the hardening time of the adhesive.
Equalize adhesive that has escaped in the area (1) on all 4 corners of the roof outer skin (2) by spreading.
Do not leave any sharp edges as this may compromise the tightness of the subsequent windshield or rear window bonding.
Spread excess adhesive in roof trim strip channel. While doing so, the mounting surfaces of roof trim strip mounting elements may not be coated with adhesive.
Remove excess adhesive. For that do not use any cleaning agent or solvent!

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Sealing the roof outer skin

NOTE: Schematic diagram is for example purposes. Some parts may differ in certain details.
Seal the roof outer skin with sealant (1) on both side frames in a similar way to series production.
CONSUMABLE SPECIFICATION

Sealant D1 (seam sealing) 310 ml 83422409985

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