The 2023 Mercedes-Benz GLB is associated with 12 official NHTSA owner defect complaints and 1 safety recall campaign in the federal safety database. The most frequently reported component area is Engine, accounting for 3 reports (25% of total complaints). EPA testing covers 3 certified vehicle configurations spanning 2l 4-cyl powertrain configurations. Gasoline and hybrid variants deliver 23 to 27 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year.

Key Data Findings
  • • NHTSA Owner Complaints: 12 reports
  • • Safety Recall Campaigns: 1 campaign
  • • Top Reported Defect Area: Engine (3 / 25%)
  • • NHTSA Overall Safety Rating: Not rated by NHTSA
  • • EPA Efficiency: 23–27 MPG (3 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
Fuel Economy
23–27MPG
3 EPA certified variants (2l 4-cyl powertrain configurations)
Reported Complaints
12
12 submitted owner reports
Safety Recalls
1
1 official NHTSA recall
NCAP Safety Rating
Not rated by NHTSA

What is the fuel economy and range of the 2023 Mercedes-Benz GLB?

Official EPA laboratory test ratings, electric driving range, and annual energy cost estimates by certified vehicle variant

Variant Engine Drivetrain Transmission City Highway Combined EV Range Est. Annual Fuel Cost
GLB250 2L 4-Cyl Front-Wheel Drive Automatic (AM8) 24 MPG 32 MPG 27 MPG — $2,800 / yr
GLB250 4matic 2L 4-Cyl All-Wheel Drive Automatic (AM8) 22 MPG 30 MPG 25 MPG — $3,050 / yr
AMG GLB35 4matic 2L 4-Cyl All-Wheel Drive Automatic (AM8) 21 MPG 27 MPG 23 MPG — $3,300 / yr
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.

What are the crash test safety ratings for the 2023 Mercedes-Benz GLB?

Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration

NHTSA 5-Star NCAP laboratory crash evaluations are not currently on file for the 2023 Mercedes-Benz GLB.

Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Not Specified and Lane Departure Warning (LDW) is documented as Not Specified in official NHTSA records for tested 2023 Mercedes-Benz GLB models.
View complete 2023 Mercedes-Benz GLB crash test & safety breakdown →

What defect complaints are reported for the 2023 Mercedes-Benz GLB?

Summary of 12 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)

Total Complaints
12
Crash Reports
0
Fire Reports
0
Complaints w/ Injury
0
Total Injuries
0

Top Reported Problem Categories

Ranked by total consumer complaint submissions recorded by NHTSA

Engine 3 complaints
CARRY HANDLE, SHELL, BASE,OTHER/I AM NOT SURE 1 complaint
Powertrain 1 complaint
POWER TRAIN,ENGINE,FUEL/PROPULSION SYSTEM 1 complaint
POWER TRAIN,SERVICE BRAKES 1 complaint

Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.

View all 2023 Mercedes-Benz GLB problems & component breakdown (9 categories) →

Are there open safety recalls on the 2023 Mercedes-Benz GLB?

Manufacturer safety recall campaigns monitored and recorded by NHTSA

NHTSA Campaign #26V481000 Active Recall
Affected Component: LATCHES/LOCKS/LINKAGES:DOORS:LOCK

Defect Summary: 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.

Free Manufacturer 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.
View all 2023 Mercedes-Benz GLB recalls & campaign history (1 campaigns) →
Official US Government Data Provenance

The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:

  • NHTSA Office of Defects Investigation (ODI): Consumer complaints and defect reports.
  • NHTSA New Car Assessment Program (NCAP): Frontal, side, and rollover 5-Star crash safety test ratings.
  • U.S. EPA / FuelEconomy.gov: Standardized multi-cycle dynamometer fuel economy, MPGe, and electric driving range ratings.

Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.