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Service bulletin NCU- B-Pillar ID

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 id10249731
Published by NHTSA2024-02-06
Manufacturer's numberNCU- B-Pillar ID
Manufacturer's date2024-01-18
NHTSA componentSTRUCTURE

NHTSA's summary

Mercedes-Benz AG (MBAG), the manufacturer of Mercedes-Benz vehicles, has determined that on certain MY 2020-2021 GLA and GLB (247 platform) vehicles, the identification plate on the B-pillar does not correspond to current specifications.MBUSA will conduct a service campaign. An authorized Mercedes-Benz dealer will replace the identification plate on the B-pillar.

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

Body and frame

Vehicles listed
MERCEDES-BENZ AMG GLA352021
MERCEDES-BENZ AMG GLA452020 to 2021
MERCEDES-BENZ AMG GLA45 S2021
MERCEDES-BENZ AMG GLB352020 to 2021
MERCEDES-BENZ GLA 2502020 to 2021
MERCEDES-BENZ GLB 2002020
MERCEDES-BENZ GLB 2502020 to 2021

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