# 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.

- Type: Service bulletin
- NHTSA id: 10189405
- Published by NHTSA: 2021\-03\-29
- Manufacturer's number: LI54.71\-P\-072473
- Manufacturer's date: 2021\-02\-19
- NHTSA component: AIR 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

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189405-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2021/MC-10189405-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Air bags, Driver assistance, Glass, wipers and mirrors

## Vehicles listed

- 2021 MERCEDES\-BENZ GLB 250

JSON: [/v1/bulletins/10189405](/v1/bulletins/10189405)

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