# Service bulletin LI46.35\-P\-079901

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: 11029084
- Published by NHTSA: 2026\-02\-28
- Manufacturer's number: LI46.35\-P\-079901
- Manufacturer's date: 2026\-02\-26
- NHTSA component: LANE DEPARTURE: ASSIST; STEERING

## NHTSA's summary

Complaint Steering force assistance unavailable after vehicle start along with several yellow warning messages and warning lamps for various driver assistance systems. Examples include but are not limited to: • Active Brake Assist • Active Lane Keeping Assist • Active Parking Assist Cause Software timing at startup. Remedy Conduct a seamless software update on the vehicle to at least MB.OS 1.3.0. Afterwards perform vehicle bus sleep \(vehicle locked for at least 10 minutes and key out of range\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029084-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11029084-9999.pdf)

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

## Components

Driver assistance, Steering, Lane departure and lane keeping

## Vehicles listed

- 2026 MERCEDES\-BENZ CLA 250\+ \(EV\)
- 2026 MERCEDES\-BENZ CLA 350 4MATIC \(EV\)

JSON: [/v1/bulletins/11029084](/v1/bulletins/11029084)

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