# Service bulletin LI82.10\-P\-080467

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: 11032701
- Published by NHTSA: 2026\-05\-14
- Manufacturer's number: LI82.10\-P\-080467
- Manufacturer's date: 2026\-05\-13
- NHTSA component: EXTERIOR LIGHTING; ELECTRICAL SYSTEM

## NHTSA's summary

Complaint Despite the IC message shown in these complaints, the primary low\-beam function is not restricted. Complaint No. 1: Sporadic "Headlamp Inoperative" message in the instrument cluster \(IC\), fault code in control unit N10/6 FSAM: • U118A02 communication with the left headlamp range adjustment control unit is faulty. General signal fault. or • U118A08 Communication with the left headlamp range adjustment control unit is faulty. Faulty signal or faulty message. Complaint No. 2: The instrument cluster \(IC\) displays the message "Adaptive High Beam Assist inoperative"; fault code present in LED control unit E1n11 or E2n11: • B178392 "LED driving light actuation" control unit is faulty. Function or command is faulty. Cause Complaint No. 1: software fault. Complaint No. 2: undervoltage threshold value set inappropriately during vehicle start. Remedy For complaint No. 1 and No. 2: Perform a software update on all headlamp and LED control units: E1n9, E1n11, E2n9 and E2n11 If the fault persists: • For complaint No. 1: Replace HLI E1n9 control unit. • For complaint No. 2: Replace PXL E1n11 or E2n11 control unit. Note: Headlamps must not be replaced for these complaints.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032701-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11032701-9999.pdf)

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

## Components

Electrical system, Lighting

## Trouble codes named

B1783, U118A

## 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/11032701](/v1/bulletins/11032701)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20LI82.10-P-080467&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11032701&vehicle=Service%20bulletin%20LI82.10-P-080467)