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"
• 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"
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.
| Make | Model | Model year |
|---|---|---|
| Mercedes-Benz | A 220 | 2022 |
| Mercedes-Benz | A 220 | 2021 |
| Mercedes-Benz | A 220 | 2020 |
| Mercedes-Benz | A 220 | 2019 |
| Mercedes-Benz | A 220 4MATIC | 2022 |
| Mercedes-Benz | A 220 4MATIC | 2021 |
| Mercedes-Benz | A 220 4MATIC | 2020 |
| Mercedes-Benz | AMG A35 | 2021 |
| Mercedes-Benz | AMG A35 | 2020 |
| Mercedes-Benz | AMG A35 4MATIC | 2020 |
| Mercedes-Benz | AMG C43 | 2024 |
| Mercedes-Benz | AMG C43 | 2023 |
| Mercedes-Benz | AMG C43 | 2022 |
| Mercedes-Benz | AMG C43 | 2021 |
| Mercedes-Benz | AMG C43 | 2020 |
| Mercedes-Benz | AMG C43 | 2019 |
| Mercedes-Benz | AMG C43 | 2018 |
| Mercedes-Benz | AMG C43 | 2017 |
| Mercedes-Benz | AMG C43 | 2016 |
| Mercedes-Benz | AMG C43 4MATIC | 2026 |
| Mercedes-Benz | AMG C43 4MATIC | 2025 |
| Mercedes-Benz | AMG C43 4MATIC | 2024 |
| Mercedes-Benz | AMG C43 4MATIC | 2023 |
| Mercedes-Benz | AMG C63 | 2021 |
| Mercedes-Benz | AMG C63 | 2020 |
| Mercedes-Benz | AMG C63 | 2019 |
| Mercedes-Benz | AMG C63 | 2018 |
| Mercedes-Benz | AMG C63 | 2017 |
| Mercedes-Benz | AMG C63 | 2016 |
| Mercedes-Benz | AMG C63 | 2015 |