Image available on the official notice.
Passenger cars (Mercedes-Benz Mercedes-AMG C63 and other models) - Repair
Official notice
1 Oct 2020
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger cars (Mercedes-Benz Mercedes-AMG C63 and other models) - Repair. On-board diagnostic system defect (engine control unit). Defective component: On-board diagnostic system (engine control unit). Condition of the structure, equipment or performance considered noncompliant with standards, and its cause: Inadequate management of the specifications to be installed in vehicles has resulted in the engine control unit being loaded with a control program whose specifications differ from the correct specifications. Consequently, the idle-up control used when the engine is cold does not operate correctly and, in the worst case, exhaust emissions may exceed the regulatory limits. Published 2020-10-01.
What to do now
(Recall) 外－３１００. Corrective measures: Reprogram the engine control unit with the correct control program on all vehicles.
Recall number
外-3100
Official notice
2020-10-01
The hazard
The hazard
On-board diagnostic system defect (engine control unit). Defective component: On-board diagnostic system (engine control unit). Condition of the structure, equipment or performance considered noncompliant with standards, and its cause: Inadequate management of the specifications to be installed in vehicles has resulted in the engine control unit being loaded with a control program whose specifications differ from the correct specifications. Consequently, the idle-up control used when the engine is cold does not operate correctly and, in the worst case, exhaust emissions may exceed the regulatory limits.
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.
Recall Numbers
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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. Phone 0120-086-880.
Source & status
Source & status
Recall details
Recall details
Recall number
Event id
Source tier
Documents, notices & source
See the official notice and source documents for full details.
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