Prepare Body Flange For Front Fixed Element Of Panoramic Sliding Sunroof For Installation - AR77.21-P-0803-03NKA

Model 117, 156, 176, 205, 222, 253 

with code 413 (Panoramic Sliding Sunroof/Glass Roof) 

Model 222 

with code 398 (Panoramic Roof With MAGIC SKY CONTROL) 

Courtesy of MERCEDES-BENZ USA Topical Note

Notes on removal/installation of bonded elements of panoramic roof

AH77.21-P-0001-01A

Courtesy of MERCEDES-BENZ USA

Shown on Model 176 with code 413 (Panoramic Sliding Sunroof/Glass Roof) 

Courtesy of MERCEDES-BENZ USA

Shown on Model 205 with code 413 (Panoramic Sliding Sunroof/Glass Roof) 

Courtesy of MERCEDES-BENZ USA

Shown on Model 222 with code 413 (Panoramic Sliding Sunroof/Glass Roof) 

Shown on Model 156 with code 413 (Panoramic Sliding Sunroof/Glass Roof) and with code 700 (Vehicle production location China) 

Courtesy of MERCEDES-BENZ USA

Courtesy of MERCEDES-BENZ USA

Shown on Model 156 with code 413 (Panoramic Sliding Sunroof/Glass Roof) except code 700 (Vehicle production location China) 

1. Cut back adhesive beads on the bonding surfaces (1) to a residual height of approx. 1 mm to a maximum of 2 mm and do not completely detach cut off residual pieces of the adhesive beads.

   A maximum of 2 mm of the adhesive beads may remain.

2. Clean residual glue bead with the cleaner.

   The cleaner is included in the repair kit.

3. Check panoramic Sliding Sunroof frame (2) for paint damage.

   If there is a problem,

   ↓

   repair paint damage on panoramic Sliding Sunroof frame (2).

4. Apply primer to the bonding surfaces (1).

   Only on the bonding surfaces (1) on which no adhesive material residues are present.

   Only use the repair kit approved by the manufacturer from the replacement part system. 

   Otherwise, adhesion problems will occur.