Mercedes-Benz S550 2007 — technical service bulletin
Bulletin 2006090004 · NHTSA communication 10021243 · issued Sep 1, 2006
Technical service bulletin
communication type
Equipment
component
2007
model years
2
vehicle entries
Official summary
Replace air conditioning condenser service valve. *kb
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.