# Service bulletin LI82.20\-P\-079313

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: 11018613
- Published by NHTSA: 2025\-05\-28
- Manufacturer's number: LI82.20\-P\-079313
- Manufacturer's date: 2025\-05\-22
- NHTSA component: EXTERIOR LIGHTING

## NHTSA's summary

Complaint The adaptive rear compartment lighting is sporadically inoperative. In one or all rear interior lamps, one of the following specified fault codes \(DTC\) is stored. • E48/3 \(Adaptive rear interior lamp, roof, left\) / DTC B17D149 \- The "Adaptive interior lighting" control unit for the rear left roof has malfunctioned. There is an internal electrical fault. • E48/4 \(Adaptive rear interior lamp, roof, center\) / DTC B17D349 \- The "Adaptive interior lighting" control unit for the rear center roof has malfunctioned. There is an internal electrical fault. • E48/5 \(Adaptive rear interior lamp, roof, right\) / DTC B17D249 \- The "Adaptive interior lighting" control unit for the rear right roof has malfunctioned. There is an internal electrical fault. Cause Software in the control units E48/3\-5. Remedy Update the software of control units E48/3\-5.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018613-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018613-9999.pdf)

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

## Components

Lighting

## Trouble codes named

B17D1, B17D2, B17D3

## Vehicles listed

- 2022 to 2023 MERCEDES\-BENZ AMG EQS
- 2023 MERCEDES\-BENZ AMG S 63 E 4MATIC\+
- 2022 MERCEDES\-BENZ EQS 450
- 2023 MERCEDES\-BENZ EQS 450 4MATIC
- 2022 to 2023 MERCEDES\-BENZ EQS 450\+
- 2022 to 2023 MERCEDES\-BENZ EQS 580
- 2023 MERCEDES\-BENZ EQS 580 4MATIC
- 2023 MERCEDES\-BENZ EQS SUV 450 4MATIC
- 2023 MERCEDES\-BENZ EQS SUV 450\+
- 2023 MERCEDES\-BENZ EQS SUV 580 4MATIC
- 2023 MERCEDES\-BENZ S 500
- 2022 to 2023 MERCEDES\-BENZ S 500 4MATIC
- 2023 MERCEDES\-BENZ S 580
- 2022 to 2023 MERCEDES\-BENZ S 580 4MATIC
- 2023 MERCEDES\-BENZ S 580 E
- 2023 MERCEDES\-BENZ S 580 E 4MATIC
- 2023 MERCEDES\-BENZ redundant EQS 450
- 2022 to 2023 MERCEDES\-MAYBACH S 580 4MATIC
- 2023 MERCEDES\-MAYBACH S 680
- 2022 to 2023 MERCEDES\-MAYBACH S 680 4MATIC

JSON: [/v1/bulletins/11018613](/v1/bulletins/11018613)

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