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Service bulletin LI91.10-P-078305

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 id11021153
Published by NHTSA2025-08-01
Manufacturer's numberLI91.10-P-078305
Manufacturer's date2025-07-31
NHTSA componentSEATS

NHTSA's summary

Complaint The "Easy entry and exit feature" function deactivates itself after a brief period. (see attachment). Cause The cause is currently being investigated. Remedy 1. Update the A26/17 MBUX multimedia system (head unit) to the latest software version FUP5 Opt. (E505.4) or newer. 2. Perform a factory reset of the head unit after the update. If the issue continues: • Capture a head unit log and a Body CAN trace during the occurrence of the problem. • Submit both via a TIPS case to the Telematics team. Note: Only collect and submit the log and trace if the symptom can be reliably reproduced.

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

Seats

Vehicles listed
MERCEDES-BENZ AMG C432023 to 2024
MERCEDES-BENZ AMG C63 S E2024
MERCEDES-BENZ AMG EQS2022 to 2024
MERCEDES-BENZ AMG GLB352021 to 2025
MERCEDES-BENZ AMG GLC432024
MERCEDES-BENZ AMG GLC63 S E2025
MERCEDES-BENZ AMG GLE532021 to 2022
MERCEDES-BENZ AMG GLE53 4MATIC+2023 to 2024
MERCEDES-BENZ AMG GLE63 S2021 to 2022
MERCEDES-BENZ AMG GLE63 S 4MATIC+2023 to 2024
MERCEDES-BENZ C 3002022 to 2025
MERCEDES-BENZ E 3502025
MERCEDES-BENZ E 350 4MATIC2025
MERCEDES-BENZ E 450 4MATIC2025
MERCEDES-BENZ E 450 4MATIC ALL-TERRAIN2025
MERCEDES-BENZ EQS 450 4MATIC2023 to 2024
MERCEDES-BENZ EQS 450+2022 to 2024
MERCEDES-BENZ EQS 580 4MATIC2022 to 2023
MERCEDES-BENZ GLB 2502020 to 2025
MERCEDES-BENZ GLC 3002023 to 2025
MERCEDES-BENZ GLC 300 4MATIC2023 to 2025
MERCEDES-BENZ GLE 3502020 to 2023
MERCEDES-BENZ GLE 350 4MATIC2024 to 2025
MERCEDES-BENZ GLE 450 4MATIC2025
MERCEDES-BENZ GLE 450E 4MATIC2025

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