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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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10244738
Published by NHTSA2023-11-02
Manufacturer's numberLI83.30-P-076965
Manufacturer's date2023-10-10
NHTSA componentVISIBILITY: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

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Glass, wipers and mirrors, Heating and air conditioning

Vehicles listed
MERCEDES-BENZ AMG S632021
MERCEDES-BENZ S 5002021
MERCEDES-BENZ S 5002023
MERCEDES-BENZ S 500 4MATIC2022
MERCEDES-BENZ S 500 4MATIC2024
MERCEDES-BENZ S 5602021
MERCEDES-BENZ S 5802021
MERCEDES-BENZ S 5802023
MERCEDES-BENZ S 580 4MATIC2022
MERCEDES-BENZ S 580 4MATIC2024
MERCEDES-BENZ S 580 E2023
MERCEDES-BENZ S 580 E 4MATIC2024
MERCEDES-MAYBACH S 5602021
MERCEDES-MAYBACH S 5802021
MERCEDES-MAYBACH S 580 4MATIC2022 to 2023
MERCEDES-MAYBACH S 6802023 to 2024
MERCEDES-MAYBACH S 680 4MATIC2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.