# Service bulletin LI54.30\-P\-071086

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: 11021150
- Published by NHTSA: 2025\-08\-01
- Manufacturer's number: LI54.30\-P\-071086
- Manufacturer's date: 2025\-07\-29
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Complaint After a software update for instrument cluster \(IC\) control unit \(N133/1\) is performed the following customer complaints may be noted: \- One or more menu selections \(navigation, AMG, etc.\) are missing from the instrument cluster display \- The menu icons are present but the functionality does not appear in instrument cluster display after it is selected Cause \- Communication between the instrument cluster control unit \(N133/1\) and the multifunction display \(A40/16\) \- Incorrect instrument cluster control unit \(N133/1\) SCN coding Note: Some instrument cluster menu options are dependent on option code \(i.e. the navigation menu option will only be present on vehicles equipped with navigation, code 365\). Before Before beginning diagnosis, ensure that the vehicle is equipped with the accompanying option code Remedy If the first complaint is noted: \- Perform a circuit 30 reset of the MBUX multimedia system \(A26/17\), the instrument cluster control unit \(N133/1\), and the multifunction display \(A40/16\). I.e. disconnect the control units from power simultaneously for 1 hour, or disconnect the ground cable for the 12V battery for 1 hour \- If the above step does not remedy the complaint, perform initial start\-up of the instrument cluster control unit \(N133/1\) with Xentry diagnosis software release 12/2019 and addon 14970 or newer \- If the above steps do not remedy the complaint, perform initial start\-up of the MBUX multimedia system \(A26/17\). Then perform a factory reset of the head unit \(Settings \-\> System \-\> Reset\) If the second complaint is noted: \- SCN code the instrument cluster control unit \(N133/1\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021150-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11021150-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2019 to 2022 MERCEDES\-BENZ A 220
- 2020 to 2021 MERCEDES\-BENZ AMG A35
- 2020 to 2024 MERCEDES\-BENZ AMG CLA35
- 2020 to 2024 MERCEDES\-BENZ AMG CLA45
- 2024 to 2025 MERCEDES\-BENZ AMG GLA 35
- 2021 to 2023 MERCEDES\-BENZ AMG GLA35
- 2021 to 2023 MERCEDES\-BENZ AMG GLA45
- 2021 MERCEDES\-BENZ AMG GLA45 S
- 2021 to 2025 MERCEDES\-BENZ AMG GLB35
- 2021 to 2022 MERCEDES\-BENZ AMG GLE53
- 2023 to 2025 MERCEDES\-BENZ AMG GLE53 4MATIC\+
- 2021 to 2022 MERCEDES\-BENZ AMG GLE63 S
- 2023 to 2024 MERCEDES\-BENZ AMG GLE63 S 4MATIC\+
- 2020 to 2022 MERCEDES\-BENZ AMG GLS63
- 2023 to 2024 MERCEDES\-BENZ AMG GLS63 4MATIC\+
- 2020 to 2025 MERCEDES\-BENZ CLA 250
- 2021 to 2025 MERCEDES\-BENZ GLA 250
- 2020 to 2025 MERCEDES\-BENZ GLB 250
- 2020 to 2023 MERCEDES\-BENZ GLE 350
- 2024 to 2025 MERCEDES\-BENZ GLE 350 4MATIC
- 2020 to 2022 MERCEDES\-BENZ GLE 350 E
- 2025 MERCEDES\-BENZ GLE 450 4MATIC
- 2025 MERCEDES\-BENZ GLE 450E 4MATIC
- 2025 MERCEDES\-BENZ GLS 450 4MATIC
- 2025 MERCEDES\-MAYBACH GLS 600 4MATIC

JSON: [/v1/bulletins/11021150](/v1/bulletins/11021150)

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