Remove/install upper seal of rear window on Vario roof

AR77.35-P-1600W

Remove/install upper seal of rear window on Vario roof

11.2.13

MODEL

172.4, 231

Shown on model 172.4

1

Upper seal

3

C-pillar upper section

4

Support

5

Front catch

6

Support

9

Rear window

12

Inner C-pillar seal

14

C-pillar cover

Shown on model 172.4

1

Upper seal

8

Rear window frame

9

Rear window

 Danger !

Risk of injury caused by body parts being trapped or crushed when working on a partially open Vario roof (in 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



Remove

1

Switch on ignition and move Vario roof to intermediate position with Vario roof actuation switch (S84s1)

 Position of C-pillar top section (3) approx. 120° as shown.
Leave ignition switched on. The Vario roof remains in this position for approx. 7 min. in the stop mode. After approx. 7 min, the Vario roof automatically lowers into the trunk. The stop mode can be increased by momentarily actuating the Vario roof actuation switch (S84s1) for another 7 minutes.

2

Secure Vario roof with support (4)

  Hook support (4) into front lock (5) and mount (6).

 Support

*230589046300

 Support

*231589026300

3

Switch off ignition

4

Unhook both ends of upper seal (1) on rear roof frame (8) and pull out of joint between rear window frame (8) and rear window (9).


Replace upper seal (1).
Otherwise leakage is not possible.



Clean

5

Clean sealing surfaces on rear window frame (8) and rear window (9)


The sealing surfaces must be free of oil and grease.
Otherwise leakage is not possible.

 Observe air drying time for cleaning agent.

Cleaner

*BR00.45-Z-1025-04A



Install

6

Push upper seal (1) over corners of rear window frame (8) (arrows A) as shown.

7

Hook both ends of upper seal (1) into rear window frame (8)

8

Check whether upper seal (1) is seated tightly.

9

Remove support (4)

 Support

*230589046300

 Support

*231589026300

10

Close Vario roof with Vario roof actuation switch (S84s1)



Check

11

Check left and right sealing joint (arrow B) on C-pillar cover (14)

 A gap should not be present on the sealing joint (arrow B) between the upper seal (1) and inner C-pillar seal (12).

12

Perform rain test

Repair materials

Number

Designation

Order number

BR00.45-Z-1025-04A

Cleaner

A 005 989 19 71