# Service bulletin LI82.85\-P\-074392

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: 11009121
- Published by NHTSA: 2024\-10\-25
- Manufacturer's number: LI82.85\-P\-074392
- Manufacturer's date: 2024\-10\-22
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Complaint Following the software update of the MBUX, the tablet can no longer be connected with the rear seat unit. The tablet cannot be used as usual. Cause The Android software of the tablet is not up to date and cannot communicate with the latest software of the MBUX. Remedy Remedy for Gen1 and Gen2: Update the Android software of the tablet \(see instructions in attachment\) and head unit A26/17 to the latest version. If the complaint continues to occur after this, please create a TIPS case. Note: Information for Gen1: The tablet's Android software update can be started via the device's system settings \(see instructions in attachment\). Information for Gen2: To access the device's system settings, the device must be removed from the vehicle and connected to an external Wi\-Fi network. \(See instructions in attachment\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-11009121-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-11009121-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2022 to 2024 MERCEDES\-BENZ AMG EQS
- 2022 to 2024 MERCEDES\-BENZ EQS 450\+
- 2022 to 2024 MERCEDES\-BENZ EQS 580
- 2021 MERCEDES\-BENZ S 500
- 2023 MERCEDES\-BENZ S 500
- 2022 MERCEDES\-BENZ S 500 4MATIC
- 2024 MERCEDES\-BENZ S 500 4MATIC
- 2023 MERCEDES\-BENZ S 580 E
- 2024 MERCEDES\-BENZ S 580 E 4MATIC
- 2023 to 2024 MERCEDES\-BENZ redundant EQS 450
- 2021 MERCEDES\-MAYBACH S 580
- 2022 to 2024 MERCEDES\-MAYBACH S 580 4MATIC
- 2023 to 2024 MERCEDES\-MAYBACH S 680
- 2022 MERCEDES\-MAYBACH S 680 4MATIC

JSON: [/v1/bulletins/11009121](/v1/bulletins/11009121)

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