HomeLI83.30-P-079196 · MERCEDES-BENZ, MERCEDES-MAYBACH
MERCEDES-BENZ, MERCEDES-MAYBACH

LI83.30-P-079196

Manufacturer communications

Publication date
2025-10-27
Received by NHTSA
2025-10-28
NHTSA record numbers
11024516

Manufacturer summary

Original wording in English

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).

NHTSA manufacturer communications ↗

Reported code forms

Check vehicle applicability

A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.

MakeModelModel year
Mercedes-BenzEQS 450+2023
Mercedes-BenzEQS 450+2022
Mercedes-BenzEQS 5802024
Mercedes-BenzEQS 5802023
Mercedes-BenzEQS 5802022
Mercedes-BenzEQS 580 4MATIC2023
Mercedes-BenzEQS 580 4MATIC2022
Mercedes-BenzEQS SUV 450 4MATIC2025
Mercedes-BenzEQS SUV 450 4MATIC2024
Mercedes-BenzEQS SUV 450 4MATIC2023
Mercedes-BenzEQS SUV 450+2025
Mercedes-BenzEQS SUV 450+2024
Mercedes-BenzEQS SUV 450+2023
Mercedes-BenzEQS SUV 580 4MATIC2025
Mercedes-BenzEQS SUV 580 4MATIC2024
Mercedes-BenzEQS SUV 580 4MATIC2023
Mercedes-BenzREDUNDANT EQE 3502024
Mercedes-BenzREDUNDANT EQE 350 4MATIC2023
Mercedes-BenzREDUNDANT EQS 4502024
Mercedes-BenzREDUNDANT EQS 4502023
Mercedes-MaybachEQS SUV 680 4MATIC2025
Mercedes-MaybachEQS SUV 680 4MATIC2024

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