# Service bulletin LI83.30\-P\-076965

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: 10244738
- Published by NHTSA: 2023\-11\-02
- Manufacturer's number: LI83.30\-P\-076965
- Manufacturer's date: 2023\-10\-10
- NHTSA component: VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM; VISIBILITY

## NHTSA's summary

Following a software update of the head unit to FUP3 variant 316.5 or higher, the "Residual heat" button is no longer displayed in the air conditioning system operating menu. A26/17 head unit MBUX software There is currently no remedy available. Replacing the hardware will not remedy the problem. A software update is intended with the FUP4 software E444.x \(planned release for Q4/23\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244738-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2023/MC-10244738-9999.pdf)

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

## Components

Glass, wipers and mirrors, Heating and air conditioning

## Vehicles listed

- 2021 MERCEDES\-BENZ AMG S63
- 2021 MERCEDES\-BENZ S 500
- 2023 MERCEDES\-BENZ S 500
- 2022 MERCEDES\-BENZ S 500 4MATIC
- 2024 MERCEDES\-BENZ S 500 4MATIC
- 2021 MERCEDES\-BENZ S 560
- 2021 MERCEDES\-BENZ S 580
- 2023 MERCEDES\-BENZ S 580
- 2022 MERCEDES\-BENZ S 580 4MATIC
- 2024 MERCEDES\-BENZ S 580 4MATIC
- 2023 MERCEDES\-BENZ S 580 E
- 2024 MERCEDES\-BENZ S 580 E 4MATIC
- 2021 MERCEDES\-MAYBACH S 560
- 2021 MERCEDES\-MAYBACH S 580
- 2022 to 2023 MERCEDES\-MAYBACH S 580 4MATIC
- 2023 to 2024 MERCEDES\-MAYBACH S 680
- 2022 MERCEDES\-MAYBACH S 680 4MATIC

JSON: [/v1/bulletins/10244738](/v1/bulletins/10244738)

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