Open/Close Panoramic Sliding Sunroof With Emergency Actuator - AR77.21-S-2017E

Model 447.7/8, 448.8 

Courtesy of MERCEDES-BENZ USA

Emergency actuation shown with rear head liner (2) installed 

Courtesy of MERCEDES-BENZ USA

	Risk of injury  caused by fingers being jammed or pinched when removing, installing or aligning hoods, doors, trunk lid/rear-end door or sliding roof.	No parts of the body or limbs should be within the operating area when the components are moving.	AS00.00-Z-0011-01A
Notice	Notes on carrying out repair work in the vehicle interior		AH68.00-D-0001-01KOS
	Opening, closing
1.1	Make a hole (1) in rear headliner (2) as shown	Make a hole (1) if the customer permits. Take care when making hole (1). Otherwise, parts in this area above the rear headliner (2) may be damaged. Before performing the work, obtain the customer's permission to make a hole (1) in the rear headliner (2). When the work is complete, the hole (1) is sealed with a blind plug. Dimension (a): 90 mm. Dimension (b): 5 mm. ø of hole (1): 5 mm.
1.2	Remove rear headliner (2)	Model 447.8 except code ZK7 (Equipment line MARCO POLO) Model 448.8 If customer does not permit a hole (1) to be made.	AR68.30-S-7608E
2	With the aid of a 4 mm Allen wrench (3), as shown, open or close the panoramic sliding sunroof drive unit (M12)	If rear headliner (2) is installed, use a 4 mm Allen wrench (3) with ball head (arrow A).
3.1	Seal the hole (1) with a blind plug	If a hole (1) has been made in the rear headliner (2). The blind plug can be obtained from EPC.
3.2	Install rear headliner (2)	Model 447.8 except code ZK7 (Equipment line MARCO POLO) Model 448.8 If rear headliner (2) has been removed.	AR68.30-S-7608E