Remove/install upper seal of rear window on Vario roof - AR77.35-P-1600W

MODEL 172.4, 231 

Shown on model 172.4 

Fig 1: Identifying Upper Seal Of Rear Window On Vario Roof Remove/Install Components - Shown On Model 172.4 (1 Of 2)

Courtesy of MERCEDES-BENZ USA

Fig 2: Identifying Upper Seal Of Rear Window On Vario Roof Remove/Install Components - Shown On Model 172.4 (2 Of 2)

Courtesy of MERCEDES-BENZ USA

	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	Figure
		Support	Figure
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	Figure
		Support	Figure
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

Fig 3: Identifying Support (230 589 04 63 00)

Courtesy of MERCEDES-BENZ USA

Fig 4: Identifying Support (231 589 02 63 00)

Courtesy of MERCEDES-BENZ USA

REPAIR MATERIALS

Number	Designation	Order number
BR00.45-Z-1025-04A	Cleaner	A 005 989 19 71