Remove/install seal at front of Vario roof on side

AR77.50-P-4200R

Remove/install seal at front of Vario roof on side

17.3.10



Removing

 Danger!

Risk of injury caused by moving parts that can pinch, crush or, in extreme cases, even sever extremities

No parts of the body or limbs should be within the operating range of the mechanism when moving components.

AS00.00-Z-0009-01A

Danger!

Risk of injury caused by body parts being trapped or crushed when working on partially open Vario roof (stop mode) or in its closing area as a result of the Vario roof suddenly collapsing

Secure Vario roof with a suitable special tool.

AS77.50-Z-0001-01A

1

Move Vario roof with Vario roof switch to intermediate position and secure

AR77.50-P-3000-01R



*230589046300

2

Pull seal (1) out of left and right retaining rail (2) until bolts (3) are accessible

3

Unscrew bolts (3) and remove retaining rail (2) from Vario roof front section (4) together with seal (1)

4

Remove retaining rail (2) from seal (1)

5

Remove sealant residues from Vario roof front section (4) as well as retaining rail (2) and clean sealing surfaces

 The sealing surfaces must be absolutely dry, free of dust and grease to prevent leaks.

 Observe drying time for cleaning agent

Cleaner

*BR00.45-Z-1025-04A



Install

6

Install butyl tape (5) on front end of retaining rail (2) as illustrated and fold over

 Do not touch butyl tape (5) with bare fingers to prevent leaks.

 Length of butyl tape (5), approx.

40 mm.

Sealing strip

*BR00.45-Z-1083-01A

7

Insert retaining rail (2) into new seal (1)

 Carefully insert seal (1) into retaining rail (2) to prevent damaging seal (1). Do not touch or soil surfaces where butyl tapes (6, 15, 16) are later installed to prevent leaks.

8

Install butyl tape (15) on front end of retaining rail (2) as illustrated and fold over

 Do not touch butyl tape (15) with bare fingers to prevent leaks.

 Length of butyl tape (15), approx.

30 mm.

Sealing strip

*BR00.45-Z-1083-01A

9

Close cutout (arrow A) at rear end of seal (1) with butyl tape (6) as illustrated

 Do not touch butyl tape (6) with bare fingers to prevent leaks.

 Length of butyl tape (6), approx.

20 mm.

Sealing strip

*BR00.45-Z-1083-01A

10

Install butyl tape (16) on rear end of retaining rail (2) as illustrated and fold over

 Do not touch butyl tape (16) with bare fingers to prevent leaks.

 Length of butyl tape (16), approx.

40 mm.

Sealing strip

*BR00.45-Z-1083-01A

11

Install butyl tape (7) at front corner of Vario roof front section (4) as illustrated and press on

 Do not touch butyl tape (7) with bare fingers to prevent leaks.

 Length of butyl tape (7), approx.

60 mm.

Sealing strip

*BR00.45-Z-1083-01A

12

Completely fill joint (8) at rear end of Vario roof front section (4) with butyl tape (9) as illustrated

 Do not touch butyl tape (9) with bare fingers to prevent leaks.

 Length of butyl tape (9), approx.

60 mm.

Sealing strip

*BR00.45-Z-1083-01A

13

Position retaining rail (2) with seal (1) on Vario roof front section (4) and press front and rear pin (10) on seal (1) into corresponding holes (11) in Vario roof front section (4)

14

Install retaining rail (2) with seal (1) to Vario roof front section (4). Position bolts (3) only, do not tighten

 It must be still possible to move the retaining rail (2).

15

Firmly press seal (1) to front and rear corner of Vario roof front section (4)

16

Switch on ignition and open rear side window (12)

17

Remove support for securing intermediate position of Vario roof and close Vario roof with Vario roof switch.



*230589046300

18

Center retaining rail (2) with seal (1) between sealing joints (arrows B)

 The retaining rail (2) must be flush with the contour of the Vario roof front section (4). Ensure that the transition of the retaining rail (2) to the A-pillar retaining rail (13) and C-pillar retaining rail (14) is uniform.

19

Tighten screws (3)



*BA77.50-P-1008-01A

20

Additionally seal on side of front Vario roof

AR77.50-P-4200-02R



*000589012500

Sealant

*BR00.45-Z-1048-01A



Additionally seal injection nozzle for seal on Vario roof at front side

WF58.50-P-7750-01R

21

Use installation wedge to press seal (1) into retaining rail (2). Then determine, by visual inspection, whether seal (1) completely arrests in retaining rail (2); if necessary, correct seat of seal (1)

 The assembly wedge should not have any sharp edges to prevent damaging the seal (1).



*110589035900

22

Remove extending sealant residues

23

Check whether front crank window runs properly into seal (1); if necessary, correct position of retaining rail (2)

24

Perform rain test in repair area

Number

Designation

Model
230

BA77.50-P-1008-01A

Screw, seal retaining rail to Vario roof front section

Nm

2

Number

Designation

Order number

BR00.45-Z-1048-01A

Window sealant, black 310 ml

A 001 989 31 20

BR00.45-Z-1083-01A

Rear window sealing strip, Butyl tape 880102 mm

A 002 989 35 98

BR00.45-Z-1025-04A

Cleaner

A 005 989 19 71