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Mercedes-Benz GLS 580 4MATIC Recall 21V771: Driver's Air Bag May Not Deploy Properly in a Crash

NHTSA campaign 21V771, reported October 1, 2021, 3 vehicles potentially affected.

What this recall means for you

The air bag control unit software in certain 2020 GLS 580 vehicles may have been programmed incorrectly. This can cause the driver's front air bag to deploy improperly.

An air bag that does not deploy properly during a crash can increase the risk of injury. Owners should have this recall addressed promptly. Dealers will replace the air bag control unit free of charge. Owner notification letters were mailed on October 29, 2021, and owners may also contact Mercedes-Benz USA customer service at 1-800-367-6372. You can also check your vehicle identification number (VIN) for any open recalls.

Check whether this recall is open on your vehicle

The repair is normally free at an authorized dealer.

Official recall notice

Safety recall 21V771Mercedes-Benz USA, LLC
Component
AIR BAGS: AIR BAG/RESTRAINT CONTROL MODULE; AIR BAGS:FRONTAL
Problem
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020 GLS 580 vehicles. The air bag control unit software may be programmed incorrectly, which can cause the driver's air bag to deploy improperly.
Risk
An air bag that does not deploy properly during a crash can increase the risk of injury.
Remedy
Dealers will replace the air bag control unit, free of charge. Owner notification letters were mailed on October 29, 2021. Owners may contact MBUSA customer service at 1-800-367-6372.
Notes
Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.

Affected vehicles

Mercedes-Benz GLS 580 4MATIC2020