GLB-Class (X247)
Data covers 2 NHTSA model names
Reliability Score
Complaints by Engine Code
M260
2.0L 4-cyl TurboView details
Complaint Breakdown
Show 1 additional engine variant with limited data
Mercedes-Benz GLB-Class Unidentified Engine
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Complaint Breakdown
Owner Complaints by System
Complaints owners filed with NHTSA about the Mercedes-Benz GLB-Class, counted across every engine. A complaint can name more than one system.
What to check on a used 2020-2025 Mercedes-Benz GLB-Class
On a used 2020-2025 Mercedes-Benz GLB-Class, the systems with the most NHTSA owner complaints are the body and structure (18), the engine (17) and the electrical system (16). Each one has an inspection step below, with counts as of 2026-10-12. A complaint is an owner report, not a confirmed defect, and counts rise with sales.
- Open and close every door, the hood and the trunk or hatch. Check the latches, the seals and the gaps between panels.Minor. NHTSA has 18 owner complaints on the 2020-2025 Mercedes-Benz GLB-Class about the body and structure.
- Start the engine cold and listen for the first 30 seconds, then again at idle once it is warm.Costly repair. NHTSA has 17 owner complaints on the 2020-2025 Mercedes-Benz GLB-Class about the engine.
- Switch on every electrical item in turn: lights, windows, locks, wipers, climate fan, screen and power outlets.Costly repair. NHTSA has 16 owner complaints on the 2020-2025 Mercedes-Benz GLB-Class about the electrical system.
- Switch the ignition on and watch the airbag light. On the drive, check the backup camera and any collision or lane warning.Safety. NHTSA has 14 owner complaints on the 2020-2025 Mercedes-Benz GLB-Class about the airbags and driver-assist systems.
- Drive over a speed bump and a rough patch at 15 to 20 mph with the radio off.Safety. NHTSA has 10 owner complaints on the 2020-2025 Mercedes-Benz GLB-Class about the suspension.
Recalls (8)
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2020-2021 CLA, 2019-2022 A-Class, 2022-2023 C-Class, 2024 CLE, 2020-2026 GLA/GLB, and 2023-2024 GLC vehicles. Please refer to MBUSA's recall report for specific model information. The micro-switch in the driver's door lock may corrode and fail to detect an open door, preventing the electronic parking brake or "Auto-Park" feature from engaging automatically. This may result in a vehicle rollaway.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2017-2022 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, AMG GT-Class, C-Class, E-Class, S-Class, SL-Class, GLC-Class, CLS-Class, GLB-Class, and G-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. An error in the communication module's SIM card software can cause a mobile network connection failure, disabling the emergency call (eCall) system.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2018-2021 CLA-Class, GLE/GLS-Class, A-Class, C-Class, E-Class, E-Class Coupe/Convertible, GLA/GLB-Class, GLC-Class, and CLS-Class vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The rearview camera may not display the rearview image due to a software error. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 111, "Rear Visibility."
Mercedes-Benz USA, LLC. (MBUSA) is recalling certain 2021 AMG GLB35, 2019-2020 A220, and 2020 GLB250 vehicles. The integral carrier that supports the front axle may corrode, causing it to fail.
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."
Show 3 older recalls
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2019-2021 CLA-Class, GLE/GLS-Class, A-Class, E-Class, E-Class Coupe and Convertible, GLA/GLB-Class, GLC-Class, CLS-Class, and AMG GT-Class 4-door Coupe vehicles. Please refer to MBUSA's recall report for specific vehicle model details. The MBUX multimedia system software may cause the display to remain black, or reboot after startup. This could result in the rearview camera image not displaying properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 111, "Rear Visibility."
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2021 GLB35 AMG, and 2020-2021 GLB250 vehicles. The side spoilers on the tailgate might not have been installed correctly, allowing them to detach.
Mercedes-Benz USA, LLC (MBUSA) is recalling certain 2016 - 2021 CLA-Class, GLA-Class, GLE-Class, GLS-Class, SLC-Class, A-Class, GT-Class, C-Class, E-Class, S-Class, CLS-Class, SL-Class, B-Class, GLB-Class, GLC-Class, and G-Class vehicles. Please refer to the Part 573 report for specific vehicle model details. The software design of the communication module may fail to communicate the correct vehicle location for the emergency call system (eCall) in the event of a crash.
NHTSA Safety Ratings About NHTSA ratings
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Frequently Asked Questions
What are the most common 2020-2025 Mercedes-Benz GLB-Class complaints?
Owners have filed 94 complaints with NHTSA about the 2020-2025 Mercedes-Benz GLB-Class. The systems they name most often are the body and trim, the engine and the electrical system.
Is the 2020-2025 Mercedes-Benz GLB-Class a good used car?
That depends on the model year, the mileage and the maintenance history of the car in front of you. Owners have filed 94 complaints with NHTSA about the 2020-2025 Mercedes-Benz GLB-Class. Check which systems they name most often and whether a recall is still open on that car.
How many NHTSA complaints does the 2020-2025 Mercedes-Benz GLB-Class have?
NHTSA has 94 owner complaints on file for the 2020-2025 Mercedes-Benz GLB-Class as of the latest data pull. A complaint is an owner's report, not a confirmed defect, and counts rise with sales.
What recalls affect the 2020-2025 Mercedes-Benz GLB-Class?
NHTSA lists 8 recalls covering some 2020-2025 Mercedes-Benz GLB-Class vehicles. Which ones apply depends on the VIN: enter it at nhtsa.gov/recalls to see the open campaigns on a specific car.
What should I check before buying a used Mercedes-Benz GLB-Class?
Run the VIN through NHTSA's recall lookup and confirm every open recall has been done. Look hardest at the body and trim, the engine and the electrical system, the systems owners complain about most. Ask for maintenance records, have an independent mechanic inspect the car and run a vehicle history report for prior accidents and title issues.
What are the NHTSA crash test ratings for the GLB-Class?
The 2023 Mercedes-Benz GLB-Class received an overall 5-star safety rating from NHTSA. Frontal crash: 4 stars. Side crash: 5 stars. Rollover: 4 stars (15.9% rollover probability). Electronic Stability Control: Standard. Forward Collision Warning: Standard. Lane Departure Warning: Standard. These ratings are based on standardized crash tests conducted by the National Highway Traffic Safety Administration.
Data from NHTSA federal complaints database. 94 complaints analyzed. Data confidence: moderate. Last updated: 2026-10-12.