# Service bulletin LI42.22\-P\-080281

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: 11029023
- Published by NHTSA: 2026\-02\-25
- Manufacturer's number: LI42.22\-P\-080281
- Manufacturer's date: 2026\-02\-24
- NHTSA component: SERVICE BRAKES; ELECTRICAL SYSTEM

## NHTSA's summary

Complaint Noise when the following conditions are met: • Pressing brake pedal or releasing accelerator pedal • High voltage battery state of charge \(SOC\) is \>80% • Recouperation settings active \(Intelligent, D\-, or D\) Cause The high voltage battery cannot achieve full recouperation from the electric motor due to the already high battery state of charge and is supported via the hydraulic portion of the brakes. The sound is from the hydraulic portion of the braking system. Remedy The noise is normal, no parts need to be replaced and no further action required.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029023-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029023-9999.pdf)

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

## Components

Brakes, Electrical system

## Vehicles listed

- 2023 to 2025 MERCEDES\-BENZ EQB 250\+
- 2022 to 2025 MERCEDES\-BENZ EQB 300 4MATIC
- 2022 to 2025 MERCEDES\-BENZ EQB 350 4MATIC

JSON: [/v1/bulletins/11029023](/v1/bulletins/11029023)

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