S 550 (221.171) V8-5.5L (273.961) (2007)
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Sunroof / Moonroof Weatherstrip: All Technical Service Bulletins
Body - Wind Noise From Sliding Roof at Highway Speeds
Date: February 21, 2007
Order No.: P-B-77.20/51
Supersedes:
Group: 77
SUBJECT:
Model 221.171/176/179, As of Model Year 2006 from VIN A069500 to A079500
Wind Noise from Tilting/Sliding Roof at Highway Speeds
If you receive customer reports in the above model vehicles of wind noise from the tilting/sliding roof at highway speeds, the sunroof glass seal may not
be providing an airtight seal. The seal is not available separately; therefore replacement of the glass panel is required to resolve. Refer to WIS document
AR77.20-P-1000SX.
NOTE:
This condition may only occur when vehicle speed exceeds 75 mph.
Parts Information
1 Sunroof glass panel A221 780 04 21
NOTE:
The following allowable labor operations should be used when submitting a warranty claim for this repair
In Case of Warranty
Operation: Sliding roof, R&R (77-1220)
Steel/glass sliding roof - (removed), exchange and fit (77-1240)
Synchronization - obstruction sensor sunroof, perform (after test) (77-1248)
