Image available on the official notice.
Passenger cars (Mercedes-Benz Mercedes-AMG GT S and others) - Repair
Official notice
27 Aug 2020
Last checked
27 Oct 2026
An official CAA Japan notice concerns Passenger cars (Mercedes-Benz Mercedes-AMG GT S and others) - Repair. Defect in the onboard diagnostic system (engine control unit). ■ Defective part (component name): Onboard diagnostic system (engine control unit). ■ Condition of the structure, equipment or performance deemed noncompliant with standards and its cause: Inadequate management of the specifications of the control program installed in vehicles' engine control units resulted in installation of programs with specifications differing from the correct specifications. Consequently, the idle speed increase control used when the engine is cold does not operate correctly, and in the worst case, exhaust emissions may exceed the standard limits. Published 2020-08-27.
What to do now
(Recall) 外-3077 ■ Corrective measures: Reprogram the engine control unit in all vehicles with the correct control program.
Recall number
外-3077
Official notice
2020-08-27
The hazard
The hazard
Defect in the onboard diagnostic system (engine control unit). ■ Defective part (component name): Onboard diagnostic system (engine control unit). ■ Condition of the structure, equipment or performance deemed noncompliant with standards and its cause: Inadequate management of the specifications of the control program installed in vehicles' engine control units resulted in installation of programs with specifications differing from the correct specifications. Consequently, the idle speed increase control used when the engine is cold does not operate correctly, and in the worst case, exhaust emissions may exceed the standard 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 0120086880.
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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