WenmarOpen by Wenmar Pro

Service bulletin LI82.85-P-080507

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 id11031582
Published by NHTSA2026-04-27
Manufacturer's numberLI82.85-P-080507
Manufacturer's date2026-04-20
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Complaint After successful commissioning of the HERMES control unit (N112/9) with XENTRY Diagnosis DVD 03/2026, the message "SOS - service not activated" appears on the instrument cluster. In addition, the following two conditions are also met: • HERMES (N112/9) control unit: event code B15CE00 is ACTIVE and STORED (A+S) • Vehicle Documentation System: For the HERMES control unit, the EID1, EID2, ICCID, IMEI, IMSI, TELNR fields in the "Identification/Serial number" column have the value "-" Cause Still under analysis Remedy Recommissioning of the HERMES control unit (N112/9) using XENTRY Diagnosis version 12/2025. This is mandatory: XENTRY→ "N112/9 - Control unit for telematics services (HERMES)" -> "Adaptations" -> "Control unit commissioning" -> "Commissioning of previously installed control unit"

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Electrical system

Trouble codes named

B15CE

Vehicles listed
MERCEDES BENZ G5002002 to 2008
MERCEDES BENZ G5502009
MERCEDES-BENZ AMG G 552003 to 2004
MERCEDES-BENZ AMG G632013 to 2024
MERCEDES-BENZ AMG G652016 to 2018
MERCEDES-BENZ G 5502019 to 2025
MERCEDES-BENZ G5502010 to 2011
MERCEDES-BENZ G5502013 to 2018
MERCEDES-BENZ G632013 to 2017

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