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May 4, 2026 Service bulletin

Complaint Head-up display flickering in BR167

Mercedes-Benz technical service bulletin LI54.30-P-080421 for 2020-2024 Mercedes-Benz GLE 350, 2020-2021 Mercedes-Benz GLS 450 and 2020-2024 Mercedes-Benz GLE 450 and others.

Bulletin number
LI54.30-P-080421
Component
Electrical system
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 )

Owners of these vehicles have filed 150 complaints in the electrical category.

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