Removing and installing roof railing - AR77.40-P-5000NKX

MODEL 156 with CODE 720 (Roof rails in black) 

MODEL 156 with CODE 725 (Aluminum roof rails) 

Shown on MODEL 156 with code 413 (Panoramic glass roof with top sliding roof) and code 725 (roof railing black) 

Fig 1: Roof Railing Remove/Install Components - Shown On Model 156 With Code 413 & 725

Courtesy of MERCEDES-BENZ USA

	Remove/install
1	Detach headliner in area of left and right side of vehicle		AR68.30-P-4300NKX
		Carefully pull down headliner. In order to prevent damage.
2	Unscrew nuts (2)	Nut, roof railing	*BA77.40-P-1001-01D
3	Remove roof railing (1) from roof	Carefully remove roof railing (1) from roof. In order to prevent damage.
4	Install in the reverse order