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Service bulletin SC- 2022030017

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 id10210919
Published by NHTSA2022-05-04
Manufacturer's numberSC- 2022030017
Manufacturer's date2022-04-27
NHTSA componentELECTRICAL SYSTEM

NHTSA's summary

Mercedes-Benz AG (“MBAG”), the manufacturer of Mercedes-Benz, has determined that certain MY 2021-2022 CLA-Class, A-Class, CLS-Class, E-Class, GLA-Class, GLB-Class, GLC-Class (118, 177, 213, 238, 247, 253, and 257 platform) vehicles were manufactured without the HERMES control unit, as disclosed to the vehicle purchaser at the time of sale. As a result, the Mercedes Me Connect services including the emergency call (“eCall”) function are currently not available. What We’re Doing MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will retrofit the HERMES control unit to the vehicle and enable the Mercedes Me Connect functions on applicable vehicles.

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

Vehicles listed
MERCEDES-BENZ A 2202021 to 2022
MERCEDES-BENZ AMG A352021
MERCEDES-BENZ AMG CLA352021 to 2022
MERCEDES-BENZ AMG CLA452021 to 2022
MERCEDES-BENZ AMG CLS532021
MERCEDES-BENZ AMG E532021 to 2022
MERCEDES-BENZ AMG E53 S2021
MERCEDES-BENZ AMG E632021 to 2022
MERCEDES-BENZ AMG E63S2021 to 2022
MERCEDES-BENZ AMG GLA352021 to 2022
MERCEDES-BENZ AMG GLA452021 to 2022
MERCEDES-BENZ AMG GLA45 S2021
MERCEDES-BENZ AMG GLB352021 to 2022
MERCEDES-BENZ AMG GLC432021 to 2022
MERCEDES-BENZ AMG GLC632021 to 2022
MERCEDES-BENZ AMG GLC63 S2021 to 2022
MERCEDES-BENZ CLA2022
MERCEDES-BENZ CLA 2502021
MERCEDES-BENZ CLS 4502021 to 2022
MERCEDES-BENZ E 3502021 to 2022
MERCEDES-BENZ E 4502021 to 2022
MERCEDES-BENZ GLA 2502021 to 2022
MERCEDES-BENZ GLB 2502021 to 2022
MERCEDES-BENZ GLC 3002021 to 2022

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