# Service bulletin LI54.10\-P\-071832

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: 10217159
- Published by NHTSA: 2022\-08\-04
- Manufacturer's number: LI54.10\-P\-071832
- Manufacturer's date: 2022\-07\-20
- NHTSA component: ENGINE AND ENGINE COOLING; EQUIPMENT; ELECTRICAL SYSTEM

## NHTSA's summary

Complaint \- Vehicle cannot be unlocked/ vehicle does not start \- Display message in instrument cluster "Battery \- Start Engine \- see Operator's Manual Cause Root cause is a bus keepawake in either the Headlight control unit or in one of the following: ALC, IC, SAM, PTCU, ESP. Additionally, the quick test will show U116000 \&\#34;A bus keepawake control unit has been detected\&\#34; in the electronic ignition switch \(EZS\) control unit for this root cause. Remedy Eliminate bus keep awake issue flash new software where available:

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10217159-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10217159-9999.pdf)

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

## Components

Electrical system, Engine, Equipment and accessories

## Vehicles listed

- 2019 to 2022 MERCEDES\-BENZ A 220
- 2020 to 2021 MERCEDES\-BENZ AMG A35
- 2020 MERCEDES\-BENZ AMG A45
- 2020 to 2022 MERCEDES\-BENZ AMG CLA35
- 2019 to 2022 MERCEDES\-BENZ AMG CLA45
- 2021 to 2022 MERCEDES\-BENZ AMG GLA35
- 2020 to 2022 MERCEDES\-BENZ AMG GLA45
- 2021 MERCEDES\-BENZ AMG GLA45 S
- 2020 to 2022 MERCEDES\-BENZ AMG GLB35
- 2022 MERCEDES\-BENZ CLA
- 2019 to 2021 MERCEDES\-BENZ CLA 250
- 2020 to 2022 MERCEDES\-BENZ GLA 250
- 2020 MERCEDES\-BENZ GLB 200
- 2020 to 2022 MERCEDES\-BENZ GLB 250

JSON: [/v1/bulletins/10217159](/v1/bulletins/10217159)

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