Image available on the official notice.
Passenger cars (Mercedes-Benz S500 4MATIC and 13 other models) - Repair
Official notice
4 Jul 2023
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger cars (Mercedes-Benz S500 4MATIC and 13 other models) - Repair. Defect in the electrical equipment (driver assistance system control unit). ■ Defective component (part name): Electrical equipment (driver assistance system control unit) ■ Description and cause of the defective structure, equipment or performance: The driver assistance system's control program causes the collision mitigation braking system to react too sensitively in certain situations, so the system may incorrectly identify structures on the road and similar objects as collision targets. Consequently, the collision mitigation brakes may activate unexpectedly along with a warning indicating an approaching obstacle. Published 2023-07-04.
What to do now
(Recall notification number) 改-668 ■ Improvement measures: On all vehicles, replace the driver assistance system control unit's control program with an improved program.
Units affected
11,713
Official notice
2023-07-04
The hazard
The hazard
Defect in the electrical equipment (driver assistance system control unit). ■ Defective component (part name): Electrical equipment (driver assistance system control unit) ■ Description and cause of the defective structure, equipment or performance: The driver assistance system's control program causes the collision mitigation braking system to react too sensitively in certain situations, so the system may incorrectly identify structures on the road and similar objects as collision targets. Consequently, the collision mitigation brakes may activate unexpectedly along with a warning indicating an approaching obstacle.
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
Units affected
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. Phone 0120-086-880.
Source & status
Source & status
Recall details
Recall details
Event id
Units affected
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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