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Passenger car (Mercedes-Benz S400d 4MATIC) - Repair
Official notice
20 Sept 2022
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger car (Mercedes-Benz S400d 4MATIC) - Repair. Defect in the hands-on detection sensor installed inside the steering wheel. ■ Defective part details: Due to inappropriate steering wheel manufacturing instructions, the hands-on detection sensor installed inside the steering wheel may fail to detect that both hands are off the steering wheel. Consequently, the driver's hands-off state may go unrecognized, and no warning tone may sound even when both hands have been off the steering wheel for longer than a specified time. In the worst case, if the driver loses consciousness, the safety function that automatically decelerates, stops the vehicle, and makes an emergency call may fail to operate. Published 2022-09-20.
What to do now
(Notification number) 外-3456
Recall number
外-3456
Official notice
2022-09-20
The hazard
The hazard
Defect in the hands-on detection sensor installed inside the steering wheel. ■ Defective part details: Due to inappropriate steering wheel manufacturing instructions, the hands-on detection sensor installed inside the steering wheel may fail to detect that both hands are off the steering wheel. Consequently, the driver's hands-off state may go unrecognized, and no warning tone may sound even when both hands have been off the steering wheel for longer than a specified time. In the worst case, if the driver loses consciousness, the safety function that automatically decelerates, stops the vehicle, and makes an emergency call may fail to operate.
How to check if you're affected
How to check if you're affected
Compare the product name and identifiers below with the item you own. Check the official notice for the affected products and next steps.
Models
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Affected products
Product 1
Hazard
Where it was sold
Where it was sold
Retailer information is not currently available in RecallScope. Check the official notice for distribution details.
Location 1
Affected area 1
Company & contacts
Company & contacts
Brand: Mercedes-Benz. Contact: メルセデス・ベンツ日本株式会社.
Source & status
Source & status
Recall details
Recall details
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Event id
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Documents, notices & source
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