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Mercedes-Benz GLB Window Air Bag Mounted Incorrectly

NHTSA campaign 21V860000 · Reported Nov 5, 2021 · Mercedes-Benz USA, LLC

high How serious is it? About this label

If the window air bag isn't mounted correctly, it may not work properly in a crash, increasing the risk of injury. The notice does not tell owners to stop driving.

Key facts

NHTSA campaign number	21V860000
Reported to NHTSA	Nov 5, 2021
Manufacturer	Mercedes-Benz USA, LLC
Part affected	AIR Bags:side/window
Vehicles covered	1 model/year combination, model years 2021
Do-not-drive advisory	No
Park-outside advisory	No
Repair	Free at any franchised dealer

What's wrong, in plain English

Mercedes-Benz is recalling certain GLB 250 and AMG GLB 35 vehicles because the driver-side window air bag may not be mounted correctly to the lower part of the A-pillar. Because of this, the vehicles do not meet a federal safety standard for ejection mitigation. Dealers will inspect the mounting of the driver-side window air bag and repair it as necessary, free of charge.

What you should do

1. Check your VIN at nhtsa.gov/recalls to see if your vehicle is included.
2. Contact a Mercedes-Benz dealer, or call MBUSA customer service at 1-800-367-6372.
3. The inspection and any needed repair will be done free of charge.

Where do I find my VIN, and what do I tell the dealer?

Your VIN is the 17-character code on the lower left of the windshield, on your registration and usually on your insurance card. Enter it at nhtsa.gov/recalls to see whether this recall is still open on your car. When you call the dealer, say you have an open safety recall and give them NHTSA campaign number 21V860000. More in how recalls work.

Affected vehicles (1)

2021 Mercedes-Benz AMG GLB35

Who to contact

Mercedes-Benz — official Mercedes-Benz recall lookup

Customer service: 1-800-367-6372

Any franchised dealer for the brand can do the repair. Phone numbers are taken from manufacturer sites and recent NHTSA notices; if one has changed, the number in your own recall letter is the one to use.

The bigger picture

Mercedes-Benz Air Bag Recalls Involve Status Displays and Deployment Problems · all 5 Mercedes-Benz recalls in this area

Other Mercedes-Benz AMG GLB35 recalls

Jul 24, 2026Mercedes-Benz Door Lock Defect May Cause Rollawayhigh
May 20, 2022Mercedes-Benz vehicles may lose automatic emergency call systemmedium
Apr 8, 2022Mercedes-Benz Rearview Camera May Not Displaymedium
Dec 17, 2021Mercedes GLB35 Front Axle Carrier May Corrodehigh
May 14, 2021Mercedes-Benz AMG Models Rearview Camera Software Failuremedium
Apr 1, 2021Mercedes-Benz GLB tailgate spoilers may come offmedium

All 8 AMG GLB35 recalls

Official notice

Component: AIR BAGS:SIDE/WINDOW
Summary: Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB 250 and AMG GLB 35 vehicles. The driver-side window air bag may not have been mounted correctly to the lower area of the A-pillar. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 226, "Ejection Mitigation."
Safety risk: The driver-side window air bag may not function properly during a crash, increasing the risk of injury.
Remedy: Dealers will inspect the mounting of the driver-side window air bag and repair it as necessary, free of charge. Owner notification letters were mailed December 2021. Owners may contact MBUSA customer service at 1-800-367-6372.

Verify your specific vehicle by VIN at nhtsa.gov. Recall repairs are free of charge by law.