Body - Water Leaks at Side of Vario Roof

Date: July 11, 2008

Order No.: P-B-77.33/63

Supersedes:

Group: 77

SUBJECT:
Model 171.454/456/473

Water Entry at Side of Vario Roof





If you receive customer reports in the above model vehicles that water may be entering the cabin at either one of two locations (Figure 1), the contact pressure of the seals may be too low. Perform the following procedure to resolve.





1. Mark position of seal joints with strips of adhesive tape on vario roof (Figure 2, Pos. 3 and 5).

2. Remove trim on front section of vario roof. Refer to WIS document AR68.30-P-4350V.





3. Unscrew bolts (Figure 3, 7) on retaining rail.

4. Pull seal (Figure 2, Pos. 4) to stretch length by 1-2 mm and retighten bolts (Figure 3, 7).

Note:
Do not pull the seal too far forward otherwise the seals in the area of gap 1 will flatten.

5. Close roof and windows and perform leak test.

6. Re-install trim on front section of vario roof. roof.

7. Lubricate seals at joints (Figure 1, Pos 1 and 2) with special lubricant, part no. A000 989 36 60, open/close vario roof several times and remove any excess lubricant.

Note:
Crushed seals must be replaced.

8. Check adjustment of side windows and correct the setting if necessary. Refer to WIS documents AR72.10-P-1950V (front window) and AR67.30-P-4200V (rear side window).





Parts Information

Note:
The following allowable labor operations should be used when submitting a warranty claim for this repair. This information has been generated on July 11, 2008. Please refer to Netstar --> Star TekInfo --> Star Time for the most current labor time allowance.





In Case of Warranty, use the table.