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Service bulletin 322047

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10021577
Published by NHTSA2007-06-06
Manufacturer's number322047
Manufacturer's date2008-04-28
Replaces322047B
NHTSA componentSUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:U-BOLT, LEAF SPRING TO AXLE; SUSPENSION:FRONT:STABILIZER BAR

NHTSA's summary

KNOCKING NOISE FROM THE FRONT AXLE. MERCEDES BENZ. MODEL S550. *KB UPDATED 6/4/08. *NJ

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Suspension

Vehicles listed
MERCEDES BENZ S5502007
UNKNOWN UNKNOWN

Listing a model year does not mean every vehicle of it is concerned: the document says which.