# Service bulletin LI32.50\-P\-079304

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: 11018296
- Published by NHTSA: 2025\-05\-14
- Manufacturer's number: LI32.50\-P\-079304
- Manufacturer's date: 2025\-05\-13
- NHTSA component: ELECTRICAL SYSTEM; SUSPENSION

## NHTSA's summary

Complaint Harsh shift feeling followed immediately by "Suspension Malfunction" on instrument cluster and accompanied by either: P0AFB00 in A79/8 OR U013287 B210A00 in M67/X Cause Software timing with 48V and suspension systems. Remedy Update the Integrated Starter Alternator control unit \(A79/8\) software. Note that A79/8 has two listed software numbers on the quick test, updating the control unit should update the pair to the following combinations \(example attached for software number locations\): • A7259026400 and A7259030801 • A7259026700 and A7259031401 • A7259026800 and A7259031601

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018296-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11018296-9999.pdf)

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

## Components

Electrical system, Suspension

## Trouble codes named

P0AFB

## Vehicles listed

- 2021 MERCEDES\-BENZ S 500
- 2023 MERCEDES\-BENZ S 500
- 2022 to 2023 MERCEDES\-BENZ S 500 4MATIC
- 2021 MERCEDES\-BENZ S 580
- 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
- 2021 MERCEDES\-MAYBACH S 580
- 2022 to 2023 MERCEDES\-MAYBACH S 580 4MATIC
- 2023 MERCEDES\-MAYBACH S 680
- 2022 to 2023 MERCEDES\-MAYBACH S 680 4MATIC

JSON: [/v1/bulletins/11018296](/v1/bulletins/11018296)

[Report an error on this page](https://github.com/wenmar-pro/wenmar-open/issues/new?template=data_correction.yml&title=Data%20correction%3A%20Service%20bulletin%20LI32.50-P-079304&page=https%3A%2F%2Fopen.wenmarpro.com%2Fbulletins%2F11018296&vehicle=Service%20bulletin%20LI32.50-P-079304)