Database / Mercedes-Benz / GLS-Class
2026 Mercedes-Benz GLS-Class
HEVHybrid · Every trim below is EPA-rated. Starting price shown before destination.
Photo: Dinkun Chen / Wikimedia Commons (CC BY-SA 4.0) — source
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The short version
The 2026 Mercedes-Benz GLS-Class starts at $93,950, returns 21.0 mpg combined. Here's what the EPA numbers actually mean.
Pricing
Starts at $93,950 before destination, across 4 EPA-rated trims. We verify every price by hand against manufacturer and dealer sources — if we can't confirm a number, we leave it blank instead of guessing.
Range and efficiency
Rated at 21.0 mpg combined — the best figure across its 4 trims. Trims span 15.0–21.0 mpg. No plug, no charging routine, just a gas engine with electric help.
Charging and fuel cost
At $3.20 a gallon, 12,000 miles a year burns about $1,829 in gas. See how that stacks up against going electric in the fuel cost calculator.
All 4 EPA-rated trims
| Trim | Drive | Class | MPG comb. |
|---|---|---|---|
| AMG GLS63 4matic Plus | All-Wheel Drive | Standard Sport Utility Vehicle 4WD | 17.0 |
| GLS450 4matic | All-Wheel Drive | Standard Sport Utility Vehicle 4WD | 21.0 |
| GLS580 4matic | All-Wheel Drive | Standard Sport Utility Vehicle 4WD | 16.0 |
| GLS600 4matic Maybach | All-Wheel Drive | Standard Sport Utility Vehicle 4WD | 15.0 |
Similar hybrids
Common questions
What is the gas mileage of the 2026 Mercedes-Benz GLS-Class?
The 2026 Mercedes-Benz GLS-Class is EPA-rated at 21.0 mpg combined, the best figure across its 4 rated trims.
How much does the 2026 Mercedes-Benz GLS-Class cost?
The 2026 Mercedes-Benz GLS-Class starts at $93,950 MSRP before destination charges. Prices are verified from manufacturer and automotive sources.
Is the Mercedes-Benz GLS-Class fully electric?
The 2026 Mercedes-Benz GLS-Class is a hybrid — it pairs a gas engine with electric assist and never needs plugging in.
Specs: U.S. EPA via fueleconomy.gov (model years 2025–2027), updated October 2026. MPGe = miles per gallon equivalent (33.7 kWh = 1 gallon of gasoline energy).