LEMON Manuals: Even more car manuals for everyone
Home >> Mercedes Benz >> 2025 >> GLA250 Base >> Repair and Diagnosis >> Body & Frame >> Sun Roof/T-Top/Convertible Top >> Sliding Roof, Soft Top, Top Attachments -- 247 Chassis >> Testing & Repair >> Install Front Fixed Element Of Panoramic Sliding Sunroof - AR77.21-P-0803-05MFB

Install Front Fixed Element Of Panoramic Sliding Sunroof - AR77.21-P-0803-05MFB

Model 243, 247 

with code 413 (Panoramic sliding sunroof/glass roof) 

Fig 1: Identifying Feeler Gauge (129 589 03 21 00)
G16051801Courtesy of MERCEDES-BENZ USA
  1. Close flexible glass element (3).

    If the flexible glass element (3) is installed.

  2. Position front stationary element (1) with of helper, lay down carefully and press on slightly.
  3. Insert feeler gauges (SPECIAL TOOL ) adjusted to the gap dimension (A, B) determined before removal between front stationary element (1) and windshield (2) or flexible glass panel (3) and align front stationary element (1).

    IMPORTANT

    Depending on scope of repair, it may be possible, that the windshield (2) or the flexible glass element (3) are removed. One of the two gap dimensions (A, B) is sufficient to align the front stationary element (1).

    1. If the flexible glass element (3) is installed.

      Align front stationary element (1) according to transitions (C) level to flexible glass element (3).

    2. If the flexible glass element (3) is installed.

      Center front stationary element (1) between side roof paneling.

  4. Position roof railing or drip rail and align front stationary element (1) at side.

    IMPORTANT

    Remove roof railing or drip rail only after adhesive material has cured.

  5. Secure front stationary element (1) against slipping with strips of adhesive tape.
  6. Put loads on front stationary element (1) during curing time of adhesive.

    NOTES Use flat weights, e.g. sandbags.

    Otherwise the front stationary element (1) can be damaged.

  7. Carefully remove cup suction tool.
    G07069944Courtesy of MERCEDES-BENZ USA