Sport Utility Vehicle (SUV) • 3l 6-cyl, 4.7l 8-cyl, and 5.5l 8-cyl configurations • • NHTSA & EPA Certified Data
The 2015 Mercedes-Benz GL-Class has 34 official NHTSA owner defect complaints and zero open safety recall campaigns recorded in the federal database.
The most frequently reported component area is Engine, accounting for 8 reports (24% of total complaints). EPA testing covers 3 certified vehicle configurations spanning 3l 6-cyl, 4.7l 8-cyl, and 5.5l 8-cyl configurations. Gasoline and hybrid variants deliver 14 to 19 MPG combined. Detailed NHTSA crash-test ratings are not available in the current AutoUtility dataset for this model year.
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 |
|---|---|---|---|---|---|---|---|---|
| GL450 4matic | 3L 6-Cyl | 4-Wheel Drive | Automatic 7-spd | 17 MPG | 21 MPG | 19 MPG | — | $4,000 / yr |
| GL550 4matic | 4.7L 8-Cyl | 4-Wheel Drive | Automatic 7-spd | 13 MPG | 18 MPG | 15 MPG | — | $5,050 / yr |
| GL63 AMG | 5.5L 8-Cyl | 4-Wheel Drive | Automatic 7-spd | 13 MPG | 17 MPG | 14 MPG | — | $5,450 / yr |
Official 5-Star Safety Ratings evaluated by the National Highway Traffic Safety Administration
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
|---|---|---|---|---|---|
| SUV 4WD | Not Rated | Not Rated | Not Rated | Not Rated | — |
Optional and Lane Departure Warning (LDW) is documented as Optional in official NHTSA records for tested 2015 Mercedes-Benz GL-Class models.
Summary of 34 verified consumer defect submissions filed with the NHTSA Office of Defects Investigation (ODI)
Ranked by total consumer complaint submissions recorded by NHTSA
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 2015 Mercedes-Benz GL-Class problems & component breakdown (16 categories) →Manufacturer safety recall campaigns monitored and recorded by NHTSA
No open safety recall campaigns are currently on file with NHTSA for the 2015 Mercedes-Benz GL-Class.
View all 2015 Mercedes-Benz GL-Class recalls & campaign history (0 campaigns) →Direct, deterministic answers synthesized from verified United States government databases for the 2015 Mercedes-Benz GL-Class
AutoUtility's current federal dataset records zero official NHTSA safety recall campaigns for the 2015 Mercedes-Benz GL-Class.
Recall records can change as manufacturers and NHTSA publish or update campaign notices.
NHTSA records list 34 consumer defect complaints for the 2015 Mercedes-Benz GL-Class. The most frequently referenced vehicle system is Engine, appearing in 8 filings (24% of submissions).
Consumer complaints represent unverified owner submissions filed under federal reporting guidelines and describe reported component behavior rather than audited failure rates.
An official NHTSA 5-Star NCAP crash test rating is not available for the 2015 Mercedes-Benz GL-Class in AutoUtility's current federal dataset.
NHTSA publishes crash safety evaluations for a selected sample of passenger vehicles each model year. Consult NHTSA.gov for active safety equipment records and vehicle safety bulletins.
Official EPA laboratory estimates for the 2015 Mercedes-Benz GL-Class range from 14 to 19 MPG combined (55% city / 45% highway weighted) depending on engine, transmission, and drivetrain configuration.
Using AutoUtility's standardized operating cost model (15,000 miles/year, $3.50/gal gas, $0.16/kWh electricity), annual energy expenditures range across certified configurations based on official EPA laboratory test baselines.
The specifications, safety ratings, defect reports, and recall campaigns published on this page are retrieved directly from official United States Government agency databases:
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.