Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious
Mercedes-Benz technical service bulletin LI54.71-P-079104 for 2022-2026 Mercedes-Benz C300, 2025-2026 Mercedes-Benz E350 and 2023-2026 Mercedes-Benz GLC 300 and others.
- Bulletin number
- LI54.71-P-079104
- Component
- Electrical system
- Summary
- Complaint Traffic sign symbol for "Traffic Sign Assist" is blinking in instrument cluster without obvious cause usually with one of the following scenarios: • Flashing without a speed limit ("- -"). • Flashing when current vehicle speed is under speed limit. • Flashing between US speed limit symbol and European speed limit symbol. NOTE: • Verify that the concern falls under one of the attachment videos. If not, then it is outside of the scope of this LI. • This also does not cover "Traffic Sign Inoperative" messages on the instrument cluster. Cause There are two identified reasons for this concern: 1. Country code information stored incorrectly at a particular geographic latitude range. 2. Incorrect reference data when the vehicle is started and a GPS signal is not immediately available. Remedy No TIPS case is necessary. Do not replace parts. A new software for the head unit is scheduled for tentative release in Q2 2026.
Owners of these vehicles have filed 326 complaints in the electrical category.
Vehicles covered
- Mercedes-Benz C300 2022-2026 20222023202420252026
- Mercedes-Benz E350 2025-2026 20252026
- Mercedes-Benz GLC 300 2023-2026 2023202420252026
- Mercedes-Benz GLE 350 2020-2024 20202021202220232024
- Mercedes-Benz GLS 450 2020-2021 20202021
- Mercedes-Benz GLE 450 2020-2024 20202021202220232024
- Mercedes-Benz EQS 450 2022-2025 2022202320242025
- Mercedes-Benz E 450 2024 2024
- Mercedes-Benz AMG C43 2023-2024 20232024
- Mercedes-Benz GLS 450 4matic 2022-2025 2022202320242025
- Mercedes-Benz Gle 350 4matic 2021-2022, 2024-2026 20212022202420252026
- Mercedes-Benz S 580 2021, 2023 20212023
- Mercedes-Benz S 580 4matic 2022-2025 2022202320242025
- Mercedes-Benz AMG Glc43 2024 2024
- Mercedes-Benz GLC 300 4matic 2023-2026 2023202420252026
- Mercedes-Benz EQE 350+ 2023-2025 202320242025
- Mercedes-Benz GLC 350 E 4matic 2025-2026 20252026
- Mercedes-Benz S 500 4matic 2022-2025 2022202320242025
- Mercedes-Benz EQS 580 2022-2024 202220232024
- Mercedes-Benz Gle 450 4matic 2021-2022, 2025-2026 2021202220252026
- Mercedes-Benz Gle 450e 4matic 2024-2025 20242025
- Mercedes-Benz GLS 580 4matic 2020, 2022-2025 20202022202320242025
- Mercedes-Benz Eqe 350 4matic 2023-2025 202320242025
- Mercedes-Benz E 450 4matic 2024-2026 202420252026
- Mercedes-Benz AMG Eqs 2022-2024 202220232024
- Mercedes-Benz Eqs 580 4matic 2022-2025 2022202320242025
- Mercedes-Benz EQE 500 2023-2025 202320242025
- Mercedes-Benz Eqs 450 4matic 2023-2025 202320242025
- Mercedes-Benz E 350 4matic 2024-2026 202420252026
- Mercedes-Benz AMG Gls63 2020-2022, 2026 2020202120222026
- Mercedes-Benz GLE 580 2020-2021 20202021
- Mercedes-Benz AMG SL63 2022-2023, 2025 202220232025
- Mercedes-Benz C 300 4matic 2022-2026 20222023202420252026
- Mercedes-Benz GLS580 2021 2021
- Mercedes-Benz Eqs SUV 580 4matic 2023-2025 202320242025
- Mercedes-Benz CLE 300 2024 2024
- Mercedes-Benz AMG GT43 2025-2026 20252026
- Mercedes-Benz AMG SL55 2022-2025 2022202320242025
- Mercedes-Benz AMG Eqe 2023-2025 202320242025
- Mercedes-Benz Eqs SUV 450 4matic 2023-2025 202320242025
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