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Mercedes-Benz — recall

Automotive · Japan · 2025-10-16

Mercedes-Benz EQC400 4MATIC high-voltage batteries have insufficient waterproofing, posing an electrical hazard

Country	Japan
Category	Automotive
Published	2025-10-16
Manufacturer	Mercedes-Benz Japan LLC
Models affected	EQC400 4MATIC
Units affected	34
Defect	In high-voltage batteries, due to improper manufacturing processes, some have insufficient waterproofing at the openings. As a result, prolonged use may lead to reduced airtightness, allowing moisture to penetrate the battery, causing insulation failure and starting problems. In the worst case, a short circuit may occur within the battery, potentially leading to a fire.
Recall number	外-4090
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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