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Service bulletin LI54.71-P-072473

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 id10189405
Published by NHTSA2021-03-29
Manufacturer's numberLI54.71-P-072473
Manufacturer's date2021-02-19
NHTSA componentAIR BAGS; VISIBILITY; LANE DEPARTURE

NHTSA's summary

Complaint BR X247 only Code 233 Several messages of driver assistant system related - "Active Brake Assist temporarily not available, see manual"(Yellow) - "Active Blind Spot Assist inoperative" (Yellow) - "Active Lane Change Assist inoperative"(Yellow) Cause in analysis Remedy Please measure the angle between the rear radar sensors and the car as seen in the attached photo. Create PTSS Case with findings.

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

Air bags, Driver assistance, Glass, wipers and mirrors

Vehicles listed
MERCEDES-BENZ GLB 2502021

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