Mercedes-Benz C300 2005–2010 — technical service bulletin
Bulletin TB-P-047921 · NHTSA communication 10032726 · issued Sep 3, 2009
Technical service bulletin
communication type
Seat Belts
component
2005–2010
model years
13
vehicle entries
Official summary
Mercedes: fault message in instrument cluster (pre-safe inactive) and fault code 530630 is current and stored in the reversible emergency tensioning retractor control unit. Left front reversible emergency tensioning retractor control unit (a76) or right front reversible emergency tensioning retractor control unit (a76/1) cannot be started up. *pe
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.