The 2025 Mercedes-Benz GLS has zero owner defect complaints and zero safety recall campaigns recorded in the current AutoUtility NHTSA dataset. EPA testing covers 4 certified vehicle configurations spanning 3L 6-Cyl hybrid and 4L 8-Cyl hybrid configurations. Gasoline and hybrid variants deliver 15 to 21 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year. The 2025 Mercedes-Benz GLS belongs to the 3rd generation (X167) GLS platform spanning model years 2020–2026.
- • NHTSA Owner Complaints: 0 reports
- • Safety Recall Campaigns: 0 campaigns
- • NHTSA Overall Safety Rating: Not rated by NHTSA
- • EPA Efficiency: 15–21 MPG (4 variants)
What is the fuel economy and range of the 2025 Mercedes-Benz GLS?
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 |
|---|---|---|---|---|---|---|---|---|
| GLS450 4matic Hybrid | 3L 6-Cyl | All-Wheel Drive | Automatic 9-spd | 19 MPG | 24 MPG | 21 MPG | — | $3,600 / yr |
| GLS580 4matic Hybrid | 4L 8-Cyl | All-Wheel Drive | Automatic 9-spd | 14 MPG | 19 MPG | 16 MPG | — | $4,750 / yr |
| AMG GLS63 4matic Plus Hybrid | 4L 8-Cyl | All-Wheel Drive | Automatic 9-spd | 14 MPG | 18 MPG | 15 MPG | — | $5,050 / yr |
| GLS600 4matic Maybach Hybrid | 4L 8-Cyl | All-Wheel Drive | Automatic 9-spd | 13 MPG | 18 MPG | 15 MPG | — | $5,050 / yr |
What are the crash test safety ratings for the 2025 Mercedes-Benz GLS?
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 2025 Mercedes-Benz GLS.
Not Specified and Lane Departure Warning (LDW) is documented as Not Specified in official NHTSA records for tested 2025 Mercedes-Benz GLS models.
What defect complaints are reported for the 2025 Mercedes-Benz GLS?
Summary of 0 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)
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 2025 Mercedes-Benz GLS problems & component breakdown (0 categories) →Are there open safety recalls on the 2025 Mercedes-Benz GLS?
Manufacturer safety recall campaigns monitored and recorded by NHTSA
No open safety recall campaigns are currently on file with NHTSA for the 2025 Mercedes-Benz GLS.
View all 2025 Mercedes-Benz GLS recalls & campaign history (0 campaigns) →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.