Panorama sliding roof causes noises when it is moved and/or in closed condition - AF77.20-P-1005AG

MODEL 203.7 

Damage code	Cause	Remedy
	Cause 1:	Remedy 1:
78 190	In closed state:	Glue intermediate layer
	Too little oil in stationary glass section cam	(A 203 783 01 97) to stationary glass section cam; for this purpose: ↓
		1 Move cover on modular roof into tilt position.
		2 If necessary, roughen up cam slightly with abrasive paper.
		3 Carefully clean cam (top and side) with nitrocellulose thinner.
		4 Remove protective foil from velvet strip and glue velvet strip centered on cam. Ensure that the entire PU surface is covered. Push extending edges of velvet strip over cam with spatula and press velvet strip down tightly.
	Cause 2:	Remedy 2:
78 190	When moving: Too little oil in outer guide rail	1 Move panoramic sliding roof to tilt position.
		2 Oil outer guide rail (2) with thin brush and special oil over entire length.
		3 Completely open and close panoramic sliding roof.
	Cause 3:	Remedy 3:
78 190	When moving: Too little grease in system	1 Completely open panoramic sliding roof.
		2 Grease slide rail (3) and rear gate (4) with brush and lubricant paste.

Fig 1: Identifying Panorama Sliding Roof Causes Noises When It Is Moved And/Or In Closed Condition

PARTS ORDERING NOTES

Part no.	Designation	Quantity
001 989 46 51	Lubricant	As required
001 989 50 51	Special oil	As required