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Service bulletin 8270314B

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 id10014547
Published by NHTSA2005-05-04
Manufacturer's number8270314B
Manufacturer's date2005-03-09
Replaces8270314C
NHTSA componentEQUIPMENT

NHTSA's summary

HIGH-PITCHED WHINING NOISE HEARD ON TELEPHONE/VCS/TELE AID CALLS. *TT

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

Equipment and accessories

Vehicles listed
MERCEDES BENZ C CLASS2003, 2004
MERCEDES BENZ S CLASS2003, 2004

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

Other bulletins for the same vehicles and component
82854432005-05-05. Service bulletin. COMAND HEAD UNIT DISC DRIVE MALFUNCTIONS AT LOW TEMPERATURES. VARIOUS MODELS INCLUDING MERCEDES-BENZ MODEL 215, AND 220 2004 AND 2005. *TT
82854332005-04-01. Service bulletin. SD FLASH TELEMATICS CD STUCK IN COMAND HEAD UNIT WHEN PERFORMING A SOFTWARE UPDATE. *TT
82854342005-04-01. Service bulletin. COMAND HEAD UNIT HANGS AT THE STAR SYMBOL WHEN BOOTING UP. *TT UPDATED *EH
82003002004-11-04. Service bulletin. DIAGNOSTIC ENHANCEMENT. 220/215 COMAND ENHANCED DIAGNOSTIC ASSISTANCE CENTER EDAC. *TT
82953222004-07-02. Service bulletin. TELE AID NOT ACTIVE DISPLAYED IN INSTRUMENT CLUSTER. *TT