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Mercedes-Benz Korea EQC 400 4MATIC — recall

Automotive · South Korea · 2025-08-29

Mercedes-Benz EQC 400 4MATIC high-voltage battery housing manufactured out of specification

Country	South Korea
Category	Automotive
Published	2025-08-29
Manufacturer	Mercedes-Benz Korea
Models affected	EQC 400 4MATIC
Units affected	174
Defect	Due to an error in the development process, the high-voltage battery housing may have been manufactured out of specification. This could lead to a gradual decrease in the sealing effect of the housing, allowing moisture to penetrate the battery. Such penetration could cause battery insulation failure, preventing the vehicle from starting after being parked and restarted, and the risk of fire cannot be completely ruled out. This recall is initiated based on these findings.
Component	Fuel system, other
Remedy	Rework of high-voltage battery sealing
Recall number	K5821
Official notice	View source ↗

What this means for sellers

Likely platform / channel actions	OEMs/dealers will run the remedy (repair, replace or refund); component suppliers in the chain may face traceback.
Self-check for comparable products	Check your comparable products' design, materials and QC records against the defect described here.
Rules & standards likely involved	the destination market's product-safety rules and mandatory standards

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