# Service bulletin LI32.50\-P\-074278

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: 10207194
- Published by NHTSA: 2022\-02\-04
- Manufacturer's number: LI32.50\-P\-074278
- Manufacturer's date: 2022\-01\-27
- NHTSA component: SUSPENSION

## NHTSA's summary

Complaint Warning display message for eSuspension. Cause Various causes are possible. Remedy A general replacement of eABC components \- MPE/EHSE \(motor pump unit/electrohydraulic high\-pressure pump\) or suspension struts is not useful. First check and update AFW control unit N51/8 and the four EHSE pump units M67, M67/1, M67/2 and M67/3 with new software. If this does not resolve the issue, then create a PTSS case and attach the following: \- Logs for control units N51/8, M67, M67/1, M67/2 and M67/3 with fault freeze frame data. \- Actual values for the pressures of the four hydraulic high\-pressure pumps at standstill at room temperature.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10207194-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10207194-9999.pdf)

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

## Components

Suspension

## Vehicles listed

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

JSON: [/v1/bulletins/10207194](/v1/bulletins/10207194)

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