# Service bulletin LI82.90\-P\-074451

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: 10208750
- Published by NHTSA: 2022\-03\-04
- Manufacturer's number: LI82.90\-P\-074451
- Manufacturer's date: 2022\-02\-24
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

Complaint Customer may state that at interior temperatures greater than 40°C/105°F the ASCM control unit \(A74/2\) display flickers Cause A delay with display initialization during start\-up Remedy Perform a software update of the ASCM control unit \(A74/2\)

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208750-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2022/MC-10208750-9999.pdf)

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

## Components

Electrical system

## Vehicles listed

- 2021 to 2022 MERCEDES\-BENZ AMG E53
- 2021 MERCEDES\-BENZ AMG E53 S
- 2021 to 2022 MERCEDES\-BENZ AMG E63
- 2021 to 2022 MERCEDES\-BENZ AMG E63S

JSON: [/v1/bulletins/10208750](/v1/bulletins/10208750)

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