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8 recalls covering model years 2021. To check whether your vehicle is affected, look up your 17-character VIN at nhtsa.gov/recalls — a recall may apply only to some vehicles of a given year.
A small switch inside the driver's door lock can corrode over time and stop sensing when the door is opened. That switch is what tells the car to set the electronic parking brake, or Auto-Park, automatically when you get out. If the switch fails, the parking brake may never come on, and the vehicle can roll away by itself after you step out. The dealer replaces the driver's door lock free of charge.
These Mercedes vehicles have a built-in emergency call system that connects the people inside to an emergency call center. A software fault on the SIM card in the car's communication unit can stop the car from connecting to the mobile network, and that shuts the emergency call feature down. You would not know until you needed it, and help could be delayed. The car otherwise drives normally. The fix is a software update, sent to the car over the air or done by a dealer.
A software error can keep the backup camera from showing its picture on the dashboard screen when you shift into reverse. Instead of the view behind the vehicle, the screen may show nothing at all. Because of this, these Mercedes-Benz vehicles do not meet the federal rear visibility requirement. Dealers will update the rearview camera software free of charge. It is a software fix, so no new parts are needed and the visit should be short.
The part that holds the front axle in place can rust badly enough to break. If it breaks, you can lose the ability to steer the car. This affects certain 2021 AMG GLB35, 2019-2020 A220 and 2020 GLB250 models. Your dealer will inspect the part and put in a new one if it is corroded, at no cost to you. Mercedes-Benz mailed owner letters on July 29, 2022.
The airbag that drops down along the driver's side windows may not have been bolted properly to the bottom of the front pillar, the post beside the windshield. If it is loose, it may not open or hold in place the way it should in a crash, so it may not protect the driver or keep people from being thrown out of a window. A dealer will check how the airbag is mounted and fix it if needed, free.
Certain Mercedes-Benz and Mercedes-AMG models have a software problem in the MBUX multimedia system. The center display can stay black or restart itself after you start the car. When that happens, the backup camera picture may not appear correctly when you shift into reverse, so you cannot see what is behind you on the screen. Because of this, the vehicles do not meet the federal rear visibility rule. A software update fixes it at no charge.
The small side spoilers on the tailgate of these Mercedes-Benz GLB models may not have been attached correctly at the factory. A spoiler that works loose can fall off while you are driving and land in the road, where it becomes a hazard for the cars behind you. A dealer will inspect both spoilers and replace them if needed, free of charge. If you notice a loose or missing trim piece at the back, mention it.
These Mercedes-Benz vehicles have a built-in system that automatically calls for help after a crash. Because of a software flaw in the car's communication unit, that call may send the wrong location. Emergency crews could then be sent to the wrong place, delaying help for you or your passengers. The car itself drives normally; only the emergency call feature is affected. The fix is updated software, installed by a dealer or sent to your car over the air.
Complaints owners have filed with NHTSA about the Mercedes-Benz AMG GLB35. These are unverified reports; better-selling years collect more.
| Model year | Complaints | Crashes | Fires | Injuries |
|---|---|---|---|---|
| 2021 | 5 | 0 | 0 | 0 |
Recalls and complaint record for one model year at a time: