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 | 11024516 |
| Published by NHTSA | 2025-10-28 |
| Manufacturer's number | LI83.30-P-079196 |
| Manufacturer's date | 2025-10-27 |
| NHTSA component | ENGINE |
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 defective components with part number A 297 830 8903 and an expansion valve 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
The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.
Components
Engine
Trouble codes named
B3A00
| MERCEDES-BENZ AMG EQE | 2023 to 2024 |
|---|---|
| MERCEDES-BENZ AMG EQE SUV 4MATIC | 2024 to 2025 |
| MERCEDES-BENZ AMG EQS | 2022 to 2024 |
| MERCEDES-BENZ EQE 350 4MATIC | 2023 to 2025 |
| MERCEDES-BENZ EQE 350+ | 2023 to 2025 |
| MERCEDES-BENZ EQE 500 | 2023 to 2024 |
| MERCEDES-BENZ EQE 500 4MATIC | 2023 to 2024 |
| MERCEDES-BENZ EQE SUV 350 4MATIC | 2023 to 2025 |
| MERCEDES-BENZ EQE SUV 350+ | 2023 to 2025 |
| MERCEDES-BENZ EQE SUV 500 4MATIC | 2023 to 2025 |
| MERCEDES-BENZ EQS 450 | 2022 |
| MERCEDES-BENZ EQS 450 4MATIC | 2023 to 2024 |
| MERCEDES-BENZ EQS 450+ | 2022 to 2024 |
| MERCEDES-BENZ EQS 580 | 2022 to 2024 |
| MERCEDES-BENZ EQS 580 4MATIC | 2022 to 2023 |
| MERCEDES-BENZ EQS SUV 450 4MATIC | 2023 to 2025 |
| MERCEDES-BENZ EQS SUV 450+ | 2023 to 2025 |
| MERCEDES-BENZ EQS SUV 580 4MATIC | 2023 to 2025 |
| MERCEDES-BENZ redundant EQE 350 | 2024 |
| MERCEDES-BENZ redundant EQE 350 4MATIC | 2023 |
| MERCEDES-BENZ redundant EQS 450 | 2023 to 2024 |
| MERCEDES-MAYBACH EQS SUV 680 4MATIC | 2024 to 2025 |
Listing a model year does not mean every vehicle of it is concerned: the document says which.