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Service bulletin P-SC-2021020003

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 id10189411
Published by NHTSA2021-03-29
Manufacturer's numberP-SC-2021020003
Manufacturer's date2021-02-05
NHTSA componentBACK OVER PREVENTION:SOFTWARE

NHTSA's summary

Update IDC Control Unit Software

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

Driver assistance, Backup camera

Vehicles listed
MERCEDES-BENZ CLA 2502019
MERCEDES-BENZ CLS 4502019

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