WenmarOpen by Wenmar Pro

Service bulletin P-RC-2021020009

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 id10189409
Published by NHTSA2021-03-29
Manufacturer's numberP-RC-2021020009
Manufacturer's date2021-02-12
NHTSA componentELECTRICAL SYSTEM; BACK OVER PREVENTION:SOFTWARE

NHTSA's summary

Update Battery Management System 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, Electrical system, Backup camera

Vehicles listed
MERCEDES-BENZ E 3502021
MERCEDES-BENZ E 350 E2021
MERCEDES-BENZ E 4502021

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