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Service bulletin SB-47-20-56

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 id10032707
Published by NHTSA2010-04-30
Manufacturer's numberSB-47-20-56
Manufacturer's date2009-09-10
NHTSA componentFUEL SYSTEM, OTHER:DELIVERY

NHTSA's summary

MERCEDES: ENSURING UNOBSTRUCTED MOVEMENT FOR THE FUEL LEVEL SENSOR. WHEN INSTALLING THE LEFT OR RIGHT FUEL LEVEL SENSOR, IT IS ESSENTIAL FOR IT TO HAVE UNRESTRICTED, UNOBSTRUCTED MOVEMENT. *PE

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

Fuel system

Vehicles listed
MERCEDES BENZ ML320
MERCEDES BENZ ML3201998 to 2003
MERCEDES BENZ ML3202005 to 2009
MERCEDES BENZ ML3502003 to 2009
MERCEDES BENZ ML5002002 to 2009
MERCEDES BENZ ML5502005 to 2009
MERCEDES BENZ ML632005 to 2009
MERCEDES BENZ R3202005 to 2009
MERCEDES BENZ R5002005 to 2009
MERCEDES BENZ R632005 to 2009
MERCEDES-BENZ R3502005 to 2009

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