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Home >> Mercedes Benz >> 2025 >> GLB250 Base >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof, Soft Top, Top Attachments - 247 Chassis >> Testing & Repair >> Apply Adhesive Material For Front Fixed Element Of Panoramic Sliding Sunroof - AR77.21-P-0803-04MFB

Apply Adhesive Material For Front Fixed Element Of Panoramic Sliding Sunroof - AR77.21-P-0803-04MFB

Model 243, 247 with code 413 (Panoramic sliding sunroof/glass roof) 

REFER TO SPECIAL TOOLS 000 588 00 72 00 Sealing and corrosion protection gun WS97.00-P-0001B
Fig 1: Identifying Adapter (000 589 86 63 00)
G09977658Courtesy of MERCEDES-BENZ USA

NOTES Bonding surfaces must be free from dust, oil, grease, wax, dirt residues and other adhesive components.

Otherwise there may be adhesion problems.

IMPORTANT Only use the repair kit specified in the XENTRY Portal parts information.

  1. Open adhesive cartridge and insert sealing and corrosion protection gun.

    IMPORTANT To press out the remaining residual quantities in the adhesive cartridges, insert adapters SPECIAL TOOL in adhesive cartridges and plates at push rods of sealing and corrosion protection gun.

  2. Cut application nozzle so that the adhesive bead can be applied with a height of 14 mm and a width of 8 to 10 mm.

    IMPORTANT The height of adhesive bead must be 3 mm when installed.

  3. Install application nozzle on adhesive cartridge.
  4. Fabricate reference adhesive bead.

    IMPORTANT The reference adhesive bead is used to check and confirm the adhesive curing of the adhesively bonded connection before moving the vehicle for the first time after gluing in the front fixed element.

  5. Apply adhesive material evenly on the bonding surfaces on the panoramic sliding sunroof frame.

    NOTES Apply adhesive material within 25 minutes and position front stationary element and fix in place on the panoramic sliding sunroof frame within no more than a further 15 min.

    Otherwise the strength of the adhesive connection can be impaired and proper adhesion of the adhesive material is not ensured.

    IMPORTANT Apply adhesive material in the form of an adhesive bead with a height of approx. 14 mm and a width of approx. 8 to 10 mm.

    IMPORTANT Immediately remove soiling caused by adhesive.