2025 Mercedes-Benz GLS Specifications Overview
The 2025 Mercedes-Benz GLS is certified across 4 configurations with 3L Gas-Electric Hybrid Engine, 4L Gas-Electric Hybrid Engine powertrain options. Available drivetrain layouts include All-Wheel Drive paired with Automatic 9-spd. EPA classified under the Standard Sport Utility Vehicle 4WD size category. Platform architecture belongs to the 3rd Generation (X167) vehicle family.
Certified Powertrain & Transmission Configurations (4)
Official laboratory certification specifications for each factory engine, transmission, and drivetrain permutation
| Configuration / Model | Engine & Displacement | Cylinders | Induction / Tech | Transmission | Drivetrain | Fuel System |
|---|---|---|---|---|---|---|
| GLS450 4matic Standard Sport Utility Vehicle 4WD | 3L Gas-Electric Hybrid Engine | 6 | Hybrid Electric Assist | Automatic 9-spd | All-Wheel Drive | Premium |
| GLS580 4matic Standard Sport Utility Vehicle 4WD | 4L Gas-Electric Hybrid Engine | 8 | Hybrid Electric Assist | Automatic 9-spd | All-Wheel Drive | Premium |
| AMG GLS63 4matic Plus Standard Sport Utility Vehicle 4WD | 4L Gas-Electric Hybrid Engine | 8 | Hybrid Electric Assist | Automatic 9-spd | All-Wheel Drive | Premium |
| GLS600 4matic Maybach Standard Sport Utility Vehicle 4WD | 4L Gas-Electric Hybrid Engine | 8 | Hybrid Electric Assist | Automatic 9-spd | All-Wheel Drive | Premium |
Regulatory Classification & Safety Architecture
Federal classification standards and standard active driver assistance system capabilities
EPA Regulatory Size Class
- Standard Sport Utility Vehicle 4WD
NHTSA NCAP Body Formats
Standard passenger body configuration
Active Safety Technology
Evaluated under federal safety compliance standards.
Powertrain, transmission, drivetrain, and regulatory classification specifications on this page are derived directly from the United States Environmental Protection Agency (EPA) and National Highway Traffic Safety Administration (NHTSA) official laboratory certification registries.
Local Production Store Compiled: August 2026 • Deterministic Audited Dataset • Zero Dynamic External API Runtime Latency.