# Service bulletin LI54.71\-P\-078802

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: 11015813
- Published by NHTSA: 2025\-03\-19
- Manufacturer's number: LI54.71\-P\-078802
- Manufacturer's date: 2025\-03\-18
- NHTSA component: ELECTRICAL SYSTEM; BACK OVER PREVENTION: WARNINGS

## NHTSA's summary

Complaint MBUX headunit display with red text box "System Inoperative". ONLY for vehicles with SA code \(549\+21U\) or \(549\+U19\). Cause Under analysis. Remedy For chassis 118, 167, 177, 213, 238, 243, 247, 253, and 293 use Xentry to update headunit \(A26/17\). Target software number is 247 904 6600 \(E905.4\). If vehicle fits all criteria and target software is not available via Xentry, please open an XSS ticket.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015813-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11015813-9999.pdf)

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

## Components

Driver assistance, Electrical system, Backup camera

## Vehicles listed

- 2021 MERCEDES EQA
- 2024 MERCEDES\-BENZ AMG CLA45
- 2019 to 2023 MERCEDES\-BENZ AMG E53
- 2017 to 2023 MERCEDES\-BENZ AMG GLC43
- 2018 to 2021 MERCEDES\-BENZ AMG GLC63
- 2020 to 2021 MERCEDES\-BENZ AMG GLC63 S
- 2018 to 2019 MERCEDES\-BENZ AMG GLC63S
- 2021 to 2022 MERCEDES\-BENZ AMG GLE53
- 2023 to 2024 MERCEDES\-BENZ AMG GLE53 4MATIC\+
- 2018 MERCEDES\-BENZ E 400
- 2019 to 2023 MERCEDES\-BENZ E 450
- 2023 to 2024 MERCEDES\-BENZ EQB 250
- 2023 to 2025 MERCEDES\-BENZ EQB 250\+
- 2022 to 2025 MERCEDES\-BENZ EQB 300 4MATIC
- 2022 to 2025 MERCEDES\-BENZ EQB 350 4MATIC
- 2020 MERCEDES\-BENZ EQC 400
- 2020 to 2025 MERCEDES\-BENZ GLA 250
- 2020 to 2025 MERCEDES\-BENZ GLB 250
- 2018 to 2023 MERCEDES\-BENZ GLC 300
- 2018 MERCEDES\-BENZ GLC 350 E
- 2020 MERCEDES\-BENZ GLC 350 E
- 2016 to 2017 MERCEDES\-BENZ GLC300
- 2019 MERCEDES\-BENZ GLC350E
- 2020 to 2024 MERCEDES\-BENZ GLE 450
- 2020 MERCEDES\-BENZ GLS 450
- 2022 to 2024 MERCEDES\-BENZ GLS 450 4MATIC
- 2021 MERCEDES\-BENZ GLS450

JSON: [/v1/bulletins/11015813](/v1/bulletins/11015813)

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