2023 Mercedes-Benz GLB 250 Problems, Recalls & Reliability
Verdict
GoodComplaint Index
40/100
#4 most-complained of 6 GLB 250 years
The 2023 Mercedes-Benz GLB 250 has 11 NHTSA complaints, a complaint index of 40, and 1 recall, ranking 4th worst out of 6 model years with a 'Good' verdict relative to other GLB 250 years. Engine issues are the top problem area at 36% of complaints.
- Complaints
- 11
- Recalls
- 1
- Crashes / fires
- 0 / 0
- Injuries / deaths
- 0 / 0
- NHTSA overall rating
- Not rated
- EPA combined MPG
- 26
- 23 city / 31 hwy
Top 2023 Mercedes-Benz GLB 250 problems
NHTSA owner complaints by component group. Groups with 15+ complaints have their own page.
- Engine4 (36%)
- Other3 (27%)
- Transmission & Powertrain2 (18%)
- Visibility & Wipers2 (18%)
- Brakes1 (9%)
- Fuel System1 (9%)
- Structure & Body1 (9%)
What owners report
- Some owners report the transmission losing motive power while driving, with the warning light illuminated and abnormal shuddering, at a median mileage of 18,000 miles.
- The windshield washer stopped dispensing water, leaving owners unable to clean the windshield.
- One owner reported the panoramic sunroof shattering suddenly while driving on the highway.
- Multiple owners describe engine misfires tied to a cylinder head defect, with fault codes pointing to irregular fuel mixture in a cylinder.
- One owner reported a complete engine rebuild after repeated engine problems within under two years of ownership.
- An owner reported the vehicle failing to accelerate on demand, creating a near-collision situation.
2023 Mercedes-Benz GLB 250 recalls
1 NHTSA recall campaign list this model year.
- NHTSA 26V481000Jul 24, 2026Structure & Body310,667 vehicles
Latches/locks/linkages:doors:lock
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.
Risk: A vehicle rollaway increases the risk of a crash or injury.
Remedy: Dealers will replace the driver's door lock, free of charge. Owner notification letters are expected to be mailed September 18, 2026. Owners may contact MBUSA customer service at 1-800-367-6372. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning July 31, 2026.
2023 Mercedes-Benz GLB 250 fuel economy and fuel cost
- City
- 23 MPG
- Highway
- 31 MPG
- Combined
- 26 MPG
- Annual fuel cost (EPA)
- $3,075
- 15,000 mi/yr
- Fuel
- Premium
- Current regular gas
- $4.32/gal
- national avg.
EPA figures; median across configurations of this model year. Estimate your own cost with the fuel cost calculator.
2023 compared with other GLB 250 years
Frequently asked questions
- Is the 2023 Mercedes-Benz GLB 250 reliable?
- Compared to other GLB 250 model years, the 2023 has a 'Good' verdict, with 11 NHTSA complaints and a complaint index of 40, which is lower than the 2020, 2021, and 2022 model years.
- What problems does the 2023 GLB 250 have?
- NHTSA complaints show Engine as the top problem area, making up 36% of complaints, followed by Transmission & Powertrain and Visibility & Wipers, each at 18%.
- Does the 2023 GLB 250 have any recalls?
- NHTSA lists 1 recall for the 2023 GLB 250, covering a driver's door lock micro-switch that can corrode and prevent the electronic parking brake from engaging automatically.
- How does the 2023 GLB 250 compare to other years?
- The 2023 GLB 250 ranks 4th worst out of 6 model years with data, with a complaint index of 40, well below the 2020 model year's index of 100.