Noises from bellows of panorama sliding roof - AF77.20-P-1004AG

MODEL 203.7 

Damage code	Cause	Remedy
	Cause 1:	Remedy 1:
78 138	Top bellows rail hits against tilting/sliding roof panel when tilting/sliding roof is closed while driving.	1 Replace bellows of tilting/sliding roof. New bellows is coated with felt in contact area. Grease guide on tilting/sliding roof panel before installation. Before installation, check whether a recess (arrows) for the guide lug (1) for the rubber bellows is present on the retaining rail. Otherwise, grind down guide lug (1) on rubber bellows.	AR77.21-P-0530T
	Cause 2:	Remedy 2:
78 138	Squeaking noises from bellows when opening and closing tilting/sliding roof panel.	1 Grease rear guide (2).

Fig 1: Identifying Noises From Bellows Of Panorama Sliding Roof (1 Of 2)

Fig 2: Identifying Noises From Bellows Of Panorama Sliding Roof (2 Of 2)

PARTS ORDERING NOTES

Part no.	Designation	Quantity
001 989 46 51	Lubricant	As required