Remove/Install Sliding Roof Panel Mounting Bracket - AR77.20-P-1702FR

Model 257, 290 

with code 414 (Sliding sunroof) 

Courtesy of MERCEDES-BENZ USA

Shown on removed sliding sunroof frame (1) 

	Remove/install
1	Remove sliding sunroof frame (1).		AR77.20-P-3001FR
2	Remove screws (5) on the left and right side of the sliding sunroof frame (1).
3	Remove end piece (4) from the left and right side of the sliding sunroof frame (1).	Replace end pieces (4).
4	Bend end stop (7) on the left and right side downward.	Carefully bend end stops (7) downward. Otherwise, the end stops (7) may break.
5	Move slider (3) on the left and right side out of the sliding sunroof frame (1).	Insert sliders (3) up to the end stop in the respective mounting bracket (2).
6	Remove slider (9) on the left and right side with the long wedge (8) out of the sliding sunroof frame (1).	The sliders (9), mounting brackets (2), and cables (6) are removed together. Insert sliders (9) up to the end stop on the sliding sunroof frame (1). Long wedge	Fig 1
7	Unclip cable (6) from the left and right side out of the mounting brackets (2) and remove.
8	Install in the reverse order

Fig 1: Identifying Long Wedge (115 589 03 59 00)

Courtesy of MERCEDES-BENZ USA