HomeLI82.85-P-080507 · MERCEDES-BENZ, MERCEDES-MAYBACH
MERCEDES-BENZ, MERCEDES-MAYBACH

LI82.85-P-080507

Manufacturer communications

Publication date
2026-05-26
Received by NHTSA
2026-06-02
NHTSA record numbers
11033185

Manufacturer summary

Original wording in English

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 Recommission the HERMES control unit (N112/9) with XENTRY Diagnosis 03/2026 and add-on 33399 installed or carry out the procedure with a newer version of XENTRY Diagnosis: XENTRY→ "N112/9 - Control unit for telematics services (HERMES)" -> "Adaptations" -> "Control unit commissioning" -> "Commissioning of previously installed control unit"

NHTSA manufacturer communications ↗

Reported code forms

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
Mercedes-BenzA 2202022
Mercedes-BenzA 2202021
Mercedes-BenzA 2202020
Mercedes-BenzA 2202019
Mercedes-BenzA 220 4MATIC2022
Mercedes-BenzA 220 4MATIC2021
Mercedes-BenzA 220 4MATIC2020
Mercedes-BenzAMG A352021
Mercedes-BenzAMG A352020
Mercedes-BenzAMG A35 4MATIC2020
Mercedes-BenzAMG C432024
Mercedes-BenzAMG C432023
Mercedes-BenzAMG C432022
Mercedes-BenzAMG C432021
Mercedes-BenzAMG C432020
Mercedes-BenzAMG C432019
Mercedes-BenzAMG C432018
Mercedes-BenzAMG C432017
Mercedes-BenzAMG C432016
Mercedes-BenzAMG C43 4MATIC2026
Mercedes-BenzAMG C43 4MATIC2025
Mercedes-BenzAMG C43 4MATIC2024
Mercedes-BenzAMG C43 4MATIC2023
Mercedes-BenzAMG C632021
Mercedes-BenzAMG C632020
Mercedes-BenzAMG C632019
Mercedes-BenzAMG C632018
Mercedes-BenzAMG C632017
Mercedes-BenzAMG C632016
Mercedes-BenzAMG C632015

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