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346 campaigns match (all years, Mercedes-Benz)

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Matching campaigns by monthAug 2024 to Jul 2026

Aug 2024Feb 2025Aug 2025Feb 2026Jul

Peak month5September 2024

21V-789

Oct 11, 2021

Mercedes-Benz

Air bag control unit software may deactivate the occupant recognition control unit, resulting in a deactivated front passenger air bag

Airbags

1,311

Software update

21V-771

Oct 1, 2021

Mercedes-Benz

Air bag control unit software may be programmed incorrectly, which can cause the driver's air bag to deploy improperly

Airbags

Part replacement

21V-704

Sep 10, 2021

Mercedes-Benz

Suction jet pump in the fuel tank may have a loose or missing nozzle, which can cause the pump to fail and result in an engine stall

Fuel system

Part replacement

21V-639

Aug 13, 2021

Mercedes-Benz

In the event of a crash, the air bag control unit software may not activate the front seat belts and front passenger air bag properly

Airbags

Software update

21V-638

Aug 13, 2021

Mercedes-Benz

Incorrect front passenger air bag may have been installed during a prior repair

Airbags

205

Part replacement

21V-564

Jul 23, 2021

Mercedes-Benz

Fuel tank may not have been welded properly during manufacturing, which could result in a fuel leak

Fuel system

Part replacement

21V-527

Jul 12, 2021

Mercedes-Benz

Side crash sensor connectors may come loose, which could delay the activation of air bags and seatbelts during a side impact crash

Airbags

542

Part replacement

21V-526

Jul 12, 2021

Mercedes-Benz

Accessory power outlet for the second-row seating may have excessive voltage due to an incorrect voltage converter socket

Electrical system

1,690

Part replacement

21V-509

Jul 2, 2021

Mercedes-Benz

LED headlights may have been incorrectly adjusted during a vehicle repair

Lighting

1,467

Part replacement

21V-483

Jun 25, 2021

Mercedes-Benz

Rear seat belt automatic locking retractors may deactivate early, which can prevent the child restraint system from securing properly

Seat belts

4,917

Part replacement

Campaign 21V-789

Air bag control unit software may deactivate the occupant recognition control unit, resulting in a deactivated front passenger air bag

Manufacturer: Mercedes-Benz
Filed: October 11, 2021
Component: Airbags
Vehicles affected: 1,311
Remedy: Software update
Recall type: Vehicle

Defect summary

Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2021 S500, S580, and Maybach S580 vehicles. The air bag control unit software may deactivate the occupant recognition control unit, resulting in a deactivated front passenger air bag.

Consequence

A deactivated passenger air bag increases the risk of injury during a crash.

Remedy

Dealers will update the air bag control unit software, free of charge. Owner notification letters were mailed December 1, 2021. MBUSA's number for this recall is 2021100010. Owners may contact MBUSA customer service at 1-800-367-6372.

Affected models

Mercedes-Benz S 500 2021 Mercedes-Benz S 580 2021

View NHTSA filingOpen campaign page