Adjust Panoramic Sliding Sunroof - AR77.21-S-6924E

Model 447.7/8, 448.8 

MODIFICATION NOTES

31.10.2018

Adjustment method changed.

Operation steps 5 to 14

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Shown with removed headliner 

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	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 self-locking nuts and bolts		AH00.00-P-0001-01KOA
Notice	Notes on carrying out repair work in the vehicle interior		AH68.00-D-0001-01KOS
	Check
1	Fully close panoramic sliding sunroof (1).
2	Check gap dimensions at panoramic sliding sunroof (1) all-round.	The gap dimensions must be approximately uniform at the front and rear sealing joint. The panoramic sliding roof (1) must be centered laterally to the direction of travel. Feeler gauge	Fig 1
3	Check front height offset (a) from front roof paneling (4) to panoramic sliding sunroof (1).	The front edge of the panoramic sliding roof (1) must be flush or max. 1 mm deeper as the edge of the front roof paneling (4). The dimension of the front height offset (a) should be equal over the entire width of the panoramic sliding roof (1).
4	Check rear height offset (b) from panoramic sliding sunroof (1) to fixed glass section (5).	The rear edge of the panoramic sliding door (1) must be flush or max. 1 mm higher than the edge of the fixed glass element (5). The dimension of the rear height offset (a) should be equal over the entire width of the panoramic sliding roof (1).
	Adjust
5	Remove left and right side cover panel for panoramic sliding sunroof (1).		AR77.21-S-0116E
6	Release all screws (3) at left and right side of panoramic sliding sunroof (1).	Panoramic sliding sunroof (1) must be approx. 5 cm open.
7	Fully close panoramic sliding sunroof (1).
8	Adjust all-round gap dimensions, front height offset (a) and rear height offset (b) of panoramic sliding sunroof (1).	The gap dimensions must be approximately uniform at the front and rear sealing joint. The panoramic sliding roof (1) must be centered laterally to the direction of travel. The front edge of the panoramic sliding roof (1) must be flush or max. 1 mm deeper as the edge of the front roof paneling (4). The dimension of the front height offset (a) should be equal over the entire width of the panoramic sliding roof (1). The rear edge of the panoramic sliding door (1) must be flush or max 1 mm higher than the edge of the fixed glass element (5). The dimension of the rear height offset (a) should be equal over the entire width of the panoramic sliding roof (1). Feeler gauge	Fig 1
9	Tighten center and rear screw (3) at left side of panoramic sliding sunroof (1).
10	Tighten center and rear screw (3) at right side of panoramic sliding sunroof (1).
11	Open panoramic sliding sunroof (1) approx. 5 cm.
12	Switch off ignition.
13	Tighten respective foremost screw (3) at left and right side of panoramic sliding sunroof (1).
14	Install left and right side cover panel for panoramic sliding sunroof (1).		AR77.21-S-0116E
15	Normalize panoramic sliding sunroof (1) using vehicle diagnosis system and perform teach-in run for automatic reversing function.
			AD00.00-S-2000-04E

Fig 1: Identifying Feeler Gauge (129 589 03 21 00)

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