Archived model-year dossier
2025 Mercedes-Benz GLS-Class
The 2025 Mercedes-Benz GLS-Class's FuelEconomy.gov record holds 4 EPA certification records across 4 model/option labels (AMG GLS63 4matic Plus, GLS450 4matic, +2 more), spanning All-Wheel Drive drivetrain and Premium fuel type across 2 engines (3L 6-cyl SIDI; Mild Hybrid, 4L 8-cyl SIDI; Mild Hybrid). EPA classifies it under Standard Sport Utility Vehicle 4WD vehicle class, built on Hybrid powertrain technology. Across those configurations, expect combined efficiency of 15–21 MPG/MPGe, an estimated annual fuel cost of $3,700–$5,150/yr. The site covers 4 model years of the Mercedes-Benz GLS-Class, 2022 through 2027, and this is the 2025. Every figure on this page belongs to the 2025 model year alone.
Configurations4
Model/option labels4
Combined efficiency15–21 MPG/MPGe
Electric rangeNot listed
Decision answers5
Trim-by-trim specifications
The 2025 Mercedes-Benz GLS-Class: 2 trims compared.
Kelley Blue Book specifications, one row per trim.
| Trim | Engine | Transmission | Drive | Horsepower | Torque (lb-ft) | 0–60 mph | Top speed | EPA city / hwy / comb | Seats | Basic warranty |
|---|---|---|---|---|---|---|---|---|---|---|
| GLS 450 4MATIC | 3.0-liter 6-cylinder (Turbo) | Automatic, 9-Spd 9G-Tronic | AWD | 375 | 369 | 5.8 s | 130 mph | 19 / 24 / 21 mpg | 7 | 4 yr / 50,000 mi |
| GLS 580 4MATIC | 4.0-liter V8 (Twin Turbo) | Automatic, 9-Spd 9G-Tronic | AWD | 510 | 538 | 4.7 s | 130 mph | 14 / 19 / 16 mpg | 7 | 4 yr / 50,000 mi |
| Trim | Curb weight | Length | Height | Wheelbase | Turning circle | Fuel tank | Front headroom | Front legroom | Towing | Tires |
|---|---|---|---|---|---|---|---|---|---|---|
| GLS 450 4MATIC | 5,545 lb | 205 in | 71.8 in | 123.4 in | 41 ft | 23.8 gal | 39.4 in | 40.3 in | 7,700 lb | P275/45R21 |
| GLS 580 4MATIC | 5,875 lb | 205.2 in | 71.8 in | 123.4 in | 41 ft | 23.8 gal | 39.4 in | 40.3 in | 7,700 lb | P285/45R22 |
Equipment by trim
Which 2025 Mercedes-Benz GLS-Class trim has what.
Std is standard, Opt is optional, a dash means Kelley Blue Book lists it as not available.
| Equipment | GLS 450 4MATIC | GLS 580 4MATIC |
|---|---|---|
| Safety | ||
| Adaptive headlights | Std | Std |
| Anti-theft alarm | Std | Std |
| Blind-spot alert | Std | Std |
| Child door locks | Std | Std |
| Child-seat anchors | Std | Std |
| Forward collision warning | Std | Std |
| Driver-attention monitor | Std | Std |
| Hill-start assist | Std | Std |
| Rearview camera | Std | Std |
| Surround-view camera | Std | Std |
| Rear parking sensors | Std | Std |
| Electronic stability control | Std | Std |
| Traction control | Std | Std |
| Technology | ||
| Bluetooth audio streaming | Std | Std |
| Bluetooth | Std | Std |
| Hands-free calling | Std | Std |
| Navigation system | Std | Std |
| Premium audio system | Std | Std |
| Satellite radio | Std | Std |
| Apple CarPlay or Android Auto | Std | Std |
| Steering-wheel audio controls | Std | Std |
| Touchscreen | Std | Std |
| Voice recognition | Std | Std |
| Comfort | ||
| Heated front seats | Std | Std |
| Heated rear seats | Opt | Std |
| Heated steering wheel | Opt | Std |
| Heated mirrors | Std | Std |
| Power front seats for driver and passenger | Std | Std |
| Power driver's seat | Std | Std |
| Leather seats | Opt | Std |
| Leather interior trim | Opt | Opt |
| Leather-wrapped steering wheel | Std | Opt |
| Front and rear climate zones | Std | Std |
| Panoramic moonroof | Std | Std |
| Tilt steering wheel | Std | Std |
| Tilt-and-telescoping steering wheel | Std | Std |
| Cup holders | Std | Std |
| Third-row seat | Std | Std |
| Power-folding third-row seat | Std | Std |
| Folding rear seat | Std | Std |
| Exterior and convenience | ||
| Alloy wheels | Std | Std |
| Privacy glass | Std | Std |
| Rear spoiler | Opt | Opt |
| Roof rails | Std | Std |
| Power-folding mirrors | Std | Std |
| Power liftgate or trunk | Std | Std |
| Remote liftgate or trunk release | Std | Std |
| 12-volt power outlet | Std | Std |
| Power windows | Std | Std |
| Remote keyless entry | Std | Std |
| Remote engine start | Std | Std |
| Proximity keyless entry | Std | Std |
| Push-button start | Std | Std |
| Cruise control | Std | Std |
| Integrated garage-door opener | Std | Std |
| Rain-sensing wipers | Std | Std |
Complete certification table
4 configuration records.
| EPA ID / label | Engine / technology | Drive / transmission | Fuel | City | Hwy | Combined | Range |
|---|---|---|---|---|---|---|---|
| 48136AMG GLS63 4matic Plus | 4L 8-cyl SIDI; Mild HybridHybrid | All-Wheel DriveAutomatic 9-spd | Premium | 14 | 18 | 15 | N/A |
| 48142GLS450 4matic | 3L 6-cyl SIDI; Mild HybridHybrid | All-Wheel DriveAutomatic 9-spd | Premium | 19 | 24 | 21 | N/A |
| 48139GLS580 4matic | 4L 8-cyl SIDI; Mild HybridHybrid | All-Wheel DriveAutomatic 9-spd | Premium | 14 | 19 | 16 | N/A |
| 48137GLS600 4matic Maybach | 4L 8-cyl SIDI; Mild HybridHybrid | All-Wheel DriveAutomatic 9-spd | Premium | 13 | 18 | 15 | N/A |
Model-specific answer center
5 answers for this exact family-year.
Q01What changed on the 2025 Mercedes-Benz GLS-Class versus the 2024 Mercedes-Benz GLS-Class?
Model year
Against the 2024 Mercedes-Benz GLS-Class: Midpoint combined efficiency moved from 18.5 to 18.0 MPG/MPGe.
Source: FuelEconomy.gov certification records for both model years
Q02What size wheels does the 2025 Mercedes-Benz GLS-Class have?
Wheels and tires
The 2025 Mercedes-Benz GLS-Class's wheel diameter is 21 inches on the GLS 450 4MATIC and 22 inches on the GLS 580 4MATIC. Source: Kelley Blue Book specifications.
Source: Kelley Blue Book vehicle specifications
Q03How do the 2025 Mercedes-Benz GLS-Class trims differ from one another?
Trims
The GLS 580 4MATIC has 510 hp against 375 and heated rear seats, a heated steering wheel and leather seats as standard equipment over the GLS 450 4MATIC.
Source: Kelley Blue Book vehicle specifications
Q04How quickly does the 2025 Mercedes-Benz GLS-Class accelerate from 0 to 60 mph?
Performance
The 2025 Mercedes-Benz GLS-Class's 0-60 mph time is 4.7 seconds on the GLS 580 4MATIC and 5.8 seconds on the GLS 450 4MATIC. Source: Kelley Blue Book specifications. The 2024 model year has the same figure.
Source: Kelley Blue Book vehicle specifications
Q05What is the 2025 Mercedes-Benz GLS-Class's top speed?
Performance
The 2025 Mercedes-Benz GLS-Class's top speed is 130 mph on every trim. Source: Kelley Blue Book specifications. The 2024 model year has the same figure.
Source: Kelley Blue Book vehicle specifications
Live NHTSA evidence
Current federal safety records for 2025 Mercedes-Benz GLS-Class.
Exact-vehicle evidence desk
Check the exact vehicle, not just the model name.
Recalls, build data and service applicability are determined at VIN level, not by model name.
01 · NHTSASafety ratings, recalls, complaints and manufacturer communicationsExact model-year search → (opens in a new tab)02 · NHTSACheck open safety recalls by 17-character VINOfficial VIN remedy status → (opens in a new tab)03 · vPICDecode manufacturer-submitted vehicle attributesInternal VIN tool →04 · EPAQuery another year, make, model and option1984–current browser →
FuelEconomy.gov data source (opens in a new tab) · Methodology
Other model years
Compare the Mercedes-Benz GLS-Class across model years.
See every Mercedes-Benz GLS-Class model year and research hub
Ownership desk
Problems and maintenance decisions worth checking next.
Engine and coolingBlue, white or black exhaust smoke: what it suggestsSoon →Transmission and drivetrainClicking from the front axle while turningSoon →Brakes, tires and steeringVehicle drifts or pulls to one sideSoon →Climate and electricalOne power window does not workRoutine →Maintenance and fluidsWhen should spark plugs be replaced?Routine →Hybrid and electric vehiclesHybrid-system or high-voltage battery warningDepends →