# Service bulletin LI83.30\-P\-079196

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: 11030093
- Published by NHTSA: 2026\-03\-17
- Manufacturer's number: LI83.30\-P\-079196
- Manufacturer's date: 2026\-03\-12
- NHTSA component: POWER TRAIN; VISIBILITY/WIPER

## NHTSA's summary

Complaint Yellow instrument cluster message: "Cooling system fault, operating energy input reduced, service required" Cause Fault code "B3A0077 \- The regulation valve in the refrigerant circuit for the battery cooling gets stuck open. The ordered position cannot be achieved" stored. Faulty expansion valve component part Y140/1 Remedy Check the part number of Y140/1. If the vehicle has A 297 830 79 03 or older, replace Y140/1 with A 297 830 89 03 or newer. Do not replace Y140/1 if the installed component has part number A 297 830 8903 and a production date after February 1, 2025\! Please create TIPS case, attach the current quick test and attach picture of the evaporator assembly component part label and a picture of the production date of the EXV Y140/1 \(see exampled attached\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030093-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11030093-9999.pdf)

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

## Components

Glass, wipers and mirrors, Transmission and driveline, Wipers and washers

## Trouble codes named

B3A00

## Vehicles listed

- 2023 to 2025 MERCEDES\-BENZ AMG EQE
- 2023 to 2025 MERCEDES\-BENZ AMG EQE 4MATIC\+
- 2024 to 2025 MERCEDES\-BENZ AMG EQE SUV 4MATIC
- 2022 to 2024 MERCEDES\-BENZ AMG EQS
- 2023 to 2025 MERCEDES\-BENZ AMG EQS 4MATIC\+
- 2023 to 2025 MERCEDES\-BENZ EQE 350 4MATIC
- 2023 to 2025 MERCEDES\-BENZ EQE 350\+
- 2023 to 2025 MERCEDES\-BENZ EQE 500
- 2023 to 2025 MERCEDES\-BENZ EQE 500 4MATIC
- 2023 to 2025 MERCEDES\-BENZ EQE SUV 350 4MATIC
- 2023 to 2025 MERCEDES\-BENZ EQE SUV 350\+
- 2023 to 2025 MERCEDES\-BENZ EQE SUV 500 4MATIC
- 2022 MERCEDES\-BENZ EQS 450
- 2023 to 2025 MERCEDES\-BENZ EQS 450 4MATIC
- 2022 to 2025 MERCEDES\-BENZ EQS 450\+
- 2022 to 2024 MERCEDES\-BENZ EQS 580
- 2022 to 2025 MERCEDES\-BENZ EQS 580 4MATIC
- 2023 to 2025 MERCEDES\-BENZ EQS SUV 450 4MATIC
- 2023 to 2025 MERCEDES\-BENZ EQS SUV 450\+
- 2023 to 2025 MERCEDES\-BENZ EQS SUV 580 4MATIC
- 2024 to 2025 MERCEDES\-MAYBACH EQS SUV 680 4MATIC

JSON: [/v1/bulletins/11030093](/v1/bulletins/11030093)

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