Open official notice

Passenger cars (Mercedes-Benz Mercedes-AMG A35 4MATIC and 5 other models) - Repair

Official notice

30 Jul 2026

Last checked

27 Oct 2026

RecallScope risk estimate:HighCAA Japan

An official CAA Japan notice concerns Passenger cars (Mercedes-Benz Mercedes-AMG A35 4MATIC and 5 other models) - Repair. Power transmission system (transmission control unit) defect. ■ Defective component: Power transmission system (transmission control unit). ■ Structure, equipment or performance considered noncompliant with standards and its cause: Due to an inappropriate control program in the transmission control unit, the transmission may shift into neutral and remain there while driving in 4th gear. This may result in loss of drive power, leaving the vehicle unable to continue driving. Published 2026-07-30.

What to do now

(Recall notification number) 外-4220 ■ Corrective measures: On all vehicles, rewrite the transmission control unit control program with a corrected control program.

Units affected

4,414

Recall number

外-4220

Official notice

2026-07-30

The hazard

Power transmission system (transmission control unit) defect. ■ Defective component: Power transmission system (transmission control unit). ■ Structure, equipment or performance considered noncompliant with standards and its cause: Due to an inappropriate control program in the transmission control unit, the transmission may shift into neutral and remain there while driving in 4th gear. This may result in loss of drive power, leaving the vehicle unable to continue driving.

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

4AA-177151M, 4AA-118351M, 4AA-118651M, 4AA-247751M, 4AA-177051M, 4AA-247651M

Recall Numbers

外-4220

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Affected products

Product 1

メルセデス・ベンツ 「メルセデスAMG A35 4MATIC」 「メルセデスAMG A35 4MATIC セダン」 「メルセデスAMG CLA35 4MATIC」 「メルセデスAMG CLA35 4MATIC シューティングブレーク」 「メルセデスAMG GLA35 4MATIC」 「メルセデスAMG GLB35 4MATIC

Units affected

4,414

Hazard

Power transmission system (transmission control unit) defect. ■ Defective component: Power transmission system (transmission control unit). ■ Structure, equipment or performance considered noncompliant with standards and its cause: Due to an inappropriate control program in the transmission control unit, the transmission may shift into neutral and remain there while driving in 4th gear. This may result in loss of drive power, leaving the vehicle unable to continue driving.

Where it was sold

Retailer information is not currently available in RecallScope. Check the official notice for distribution details.

Location 1

JP · Japan

Affected area 1

JP · Japan

Company & contacts

Manufacturer

メルセデス・ベンツ日本合同会社

Phone

0120-086-880

Brand: Mercedes-Benz. Contact: メルセデス・ベンツ日本合同会社. Phone 0120-086-880.

Source & status

Source

Tier

official

Category

VEHICLES

Official classification

消費者庁 — 修理

Recall details

Recall number

外-4220

Event id

CAA-00000035626

Units affected

4,414

Source tier

official

Documents, notices & source

See the official notice and source documents for full details.

View full official notice
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