# Service bulletin LI54.30\-P\-080421

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: 11032050
- Published by NHTSA: 2026\-05\-04
- Manufacturer's number: LI54.30\-P\-080421
- Manufacturer's date: 2026\-05\-04
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Complaint Head\-up display flickering in BR167. Cause Software A 40/12 \- Head\-up display and N133/1 \- Instrument cluster \(IC\). Remedy Please do not replace any parts The following steps need to be performed in the order shown below: 1. Xentry \> Special functions \> 'Entry for retrofits and modifications' add SA code 2O8 \(Two 'O' eight\) \(Please see the attachment\) 2. Update the HUD177 software update to the latest available version 3. Update the IC177M software update to the latest available version \(software A1779048302 \)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032050-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032050-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2026 MERCEDES BENZ AMG GLE53 4MATIC
- 2026 MERCEDES BENZ AMG GLE63 S 4MATIC
- 2026 MERCEDES BENZ AMG GLS63 4MATIC
- 2025 to 2026 MERCEDES BENZ GLE 350
- 2026 MERCEDES BENZ GLE 450E 4MATIC
- 2026 MERCEDES BENZ GLE 580 4MATIC
- 2026 MERCEDES BENZ GLS 450 4MATIC
- 2026 MERCEDES BENZ GLS 580 4MATIC
- 2021 to 2022 MERCEDES\-BENZ AMG GLE53
- 2023 to 2025 MERCEDES\-BENZ AMG GLE53 4MATIC\+
- 2025 MERCEDES\-BENZ AMG GLE53 4MATIC\+ COUPE
- 2021 to 2022 MERCEDES\-BENZ AMG GLE53 COUPE
- 2021 to 2022 MERCEDES\-BENZ AMG GLE63 S
- 2023 to 2024 MERCEDES\-BENZ AMG GLE63 S 4MATIC\+
- 2025 MERCEDES\-BENZ AMG GLE63 S 4MATIC\+ COUPE
- 2021 to 2022 MERCEDES\-BENZ AMG GLE63 S COUPE
- 2020 to 2022 MERCEDES\-BENZ AMG GLS63
- 2026 MERCEDES\-BENZ AMG GLS63
- 2023 to 2025 MERCEDES\-BENZ AMG GLS63 4MATIC\+
- 2020 to 2024 MERCEDES\-BENZ GLE 350
- 2021 to 2022 MERCEDES\-BENZ GLE 350 4MATIC
- 2024 to 2026 MERCEDES\-BENZ GLE 350 4MATIC
- 2021 to 2022 MERCEDES\-BENZ GLE 350 4MATIC COUPE
- 2020 to 2024 MERCEDES\-BENZ GLE 450
- 2021 to 2022 MERCEDES\-BENZ GLE 450 4MATIC
- 2025 to 2026 MERCEDES\-BENZ GLE 450 4MATIC
- 2021 to 2022 MERCEDES\-BENZ GLE 450 4MATIC COUPE
- 2025 MERCEDES\-BENZ GLE 450 4MATIC COUPE
- 2024 to 2025 MERCEDES\-BENZ GLE 450E 4MATIC
- 2020 to 2021 MERCEDES\-BENZ GLE 580
- 2021 to 2025 MERCEDES\-BENZ GLE 580 4MATIC
- 2021 to 2022 MERCEDES\-BENZ GLE 580 4MATIC COUPE
- 2020 MERCEDES\-BENZ GLS 450
- 2022 to 2025 MERCEDES\-BENZ GLS 450 4MATIC
- 2020 MERCEDES\-BENZ GLS 580 4MATIC
- 2022 to 2025 MERCEDES\-BENZ GLS 580 4MATIC
- 2023 MERCEDES\-BENZ GLS 600
- 2021 MERCEDES\-BENZ GLS450
- 2021 MERCEDES\-BENZ GLS580
- 2021 MERCEDES\-MAYBACH GLS 600
- 2022 to 2026 MERCEDES\-MAYBACH GLS 600 4MATIC

JSON: [/v1/bulletins/11032050](/v1/bulletins/11032050)

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