# Service bulletin LI82.20\-P\-080425

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: 11031198
- Published by NHTSA: 2026\-04\-08
- Manufacturer's number: LI82.20\-P\-080425
- Manufacturer's date: 2026\-04\-08
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

Complaint Optical irregularity in the light guide of the ambient lighting. Cause Exposure to external factors, e.g. cleaning or disinfecting agents, creams, mechanical stress, or impacts. Remedy The assessment of the complaint must be carried out from the normal seat position. Turn on ambient lighting and set to maximum brightness. The vehicle must be inside the workshop; the interior must not be exposed to any direct light \(e.g., sunlight or strong interior lighting\). If neither function nor lighting pattern of the ambient lighting is impaired, no warranty or goodwill claim is to be submitted.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031198-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11031198-9999.pdf)

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

## Components

Lighting

## Vehicles listed

- 2023 to 2024 MERCEDES\-BENZ AMG C43
- 2023 to 2026 MERCEDES\-BENZ AMG C43 4MATIC
- 2024 MERCEDES\-BENZ AMG C63 S E
- 2024 to 2025 MERCEDES\-BENZ AMG C63 S E 4MATIC\+
- 2026 MERCEDES\-BENZ AMG C63 S E PERFORMANCE 4MATIC\+
- 2022 to 2026 MERCEDES\-BENZ C 300
- 2022 to 2026 MERCEDES\-BENZ C 300 4MATIC

JSON: [/v1/bulletins/11031198](/v1/bulletins/11031198)

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