# Service bulletin CL \- 2023120012

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: 10253709
- Published by NHTSA: 2024\-05\-01
- Manufacturer's number: CL \- 2023120012
- Manufacturer's date: 2024\-04\-24
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

A Communication Module software update is available for your vehicle that allows for future remote software updates on additional control units. An authorized Mercedes\-Benz dealer can update the Communication Module software on your vehicle, free of charge. We are dedicated to delivering the best\-in\-class customer experience, and respect for your time is a top priority. While this software update may take up to 1 hour, your dealer can provide you with a better estimate of the overall time for this visit.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2024/MC-10253709-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2024/MC-10253709-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2021 MERCEDES\-BENZ S 500
- 2021 MERCEDES\-BENZ S 580
- 2021 MERCEDES\-MAYBACH S 580

JSON: [/v1/bulletins/10253709](/v1/bulletins/10253709)

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