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2026 Mercedes-Benz GLS: Hybrid MPG, Price & Specifications

— NHTSA, EPA, AAA, RepairPal

The 2026 Mercedes-Benz GLS falls below average for fuel cost among luxury SUVs. NHTSA has no recall campaigns on file for this vehicle.

Starting MSRP
$90,250 - $151,050
EPA Combined MPG
21 MPG
Est. Annual Fuel Cost
$3,300 per year
EPA GHG Score
4 / 10
Recalls on File
No recalls on file
EPA: vs Avg Vehicle
$6,000 more over 5 yrs
Est. Monthly Cost (with fuel)
$1,137 per month
Est. Cost per Mile (with fuel)
$0.91
Brand Origin
Germany
SafetyNot yet crash-tested
FFuel CostMost expensive to fuel among hybrid SUVs
2.5/5ReliabilityRepairPal rating
CleanRecallsNo recalls since 2026

How we collect and verify data

The 2026 Mercedes-Benz GLS is a SUV priced from $90,250 to $151,050 across 3 trims. In this price range, depreciation and insurance are often larger factors than fuel cost. The data below covers all of it.

Data Summary

2026 Mercedes-Benz GLS at a Glance

Published crash-test coverage is incomplete for the 2026 Mercedes-Benz GLS, and the currently available data does not surface a clear advantage over similar SUVs. The main caution is that reliability is a weak spot.

Auto-generated from published safety, fuel-cost, reliability, recall, and cost data. It is informational only and not personal advice or a recommendation. How this works

Key signals
  • maintenance cost

Strengths in the data

  • AAA estimates $1,491 per year in maintenance for the Compact SUV (Hybrid) class.

Cautions in the data

Similar vehicles to compare

NHTSA and IIHS run separate crash test programs with different configurations. Checking both gives you a fuller read on how the 2026 Mercedes-Benz GLS handles real-world collisions.

NHTSA and IIHS evaluate the design. Recalls evaluate the execution. A look at both tells you whether the 2026 Mercedes-Benz GLS performs as intended under real-world conditions.

Does the 2026 Mercedes-Benz GLS Have Any Recalls?

No recalls are on file with NHTSA for the 2026 Mercedes-Benz GLS. Among SUVs, the average recall count is 1.7. Recalls may be issued at any time. Source: NHTSA.

No recalls on file with NHTSA

What Do 2026 Mercedes-Benz GLS Owners Report to NHTSA?

NHTSA complaint data is not available for the 2026 Mercedes-Benz GLS. This does not mean there are no complaints. The model may not yet be tracked in the NHTSA database.

Source: NHTSA Vehicle Complaints Database. Data last refreshed 2026-04-16.

In this price range, fuel economy is rarely the deciding factor, but the annual cost difference between trims can still be significant. The EPA data below quantifies it.

What Is the 2026 Mercedes-Benz GLS Fuel Economy?

The 2026 Mercedes-Benz GLS achieves up to 21 combined MPG according to EPA testing, with an estimated annual fuel cost of $3,300. That is $601 more per year than the $2,699 average for luxury SUVs. EPA estimates are based on standardized laboratory tests. Source: EPA (fueleconomy.gov).

TrimCombinedCityHighwayAnnual Fuel Cost
GLS 450 4MATIC21 MPG1924$3,300 per year
GLS 580 4MATIC21 MPG1924$3,300 per year
AMG GLS 6321 MPG1924$3,300 per year

Estimated 5-year fuel cost is $16,500 based on EPA data.

The most efficient trim ranks in the top 14% for fuel cost within its EPA vehicle class.

Luxury vehicles depreciate faster than average and cost more to insure. AAA's ownership estimates below show what those costs look like for the Compact SUV (Hybrid) class.

What Does the 2026 Mercedes-Benz GLS Cost to Own?

Estimated 5-year total ownership cost for the 2026 Mercedes-Benz GLS ranges from $155,700 to $203,685 depending on trim, based on AAA's Your Driving Costs study for the Compact SUV (Hybrid) class. This includes insurance, maintenance, depreciation, registration, and financing. These are class averages, not specific to this model. Source: AAA.

Maintenance$1,491 per year
Insurance$1,771 per year
Depreciation$3,865 per year
Registration & Taxes$779 per year
Financing$1,086 per year
Total (excluding fuel)$10,340 per year

In this price range, the base trim typically includes features that other brands charge extra for. The question is which upgrades justify the step up in MSRP and the depreciation that comes with it.

How Do the 2026 Mercedes-Benz GLS Trims Compare?

3 trims are available for the 2026 Mercedes-Benz GLS, spanning $90,250 to $151,050. All trims use a Hybrid powertrain. Compare specifications and estimated costs in the table below. Prices are MSRP before destination and fees.

GLS 450 4MATIC

Base MSRP$90,250
Combined MPG21 MPG
Est. Annual Fuel Cost$3,300 per year
Drive TypeAll-Wheel Drive
Horsepower375 hp
Est. 5-Year Cost$155,700

GLS 580 4MATIC

Base MSRP$116,150
Combined MPG21 MPG
Est. Annual Fuel Cost$3,300 per year
Drive TypeAll-Wheel Drive
Horsepower510 hp
Est. 5-Year Cost$185,850

AMG GLS 63

Base MSRP$151,050
Combined MPG21 MPG
Est. Annual Fuel Cost$3,300 per year
Drive TypeAll-Wheel Drive
Horsepower603 hp
Est. 5-Year Cost$203,685

Compare Trim Costs

Select two trims and adjust your driving and financing to see how monthly costs compare. Only costs we can compute from EPA data and your inputs are shown. No estimates, no guesses.

vs
Your driving & financing

Price and fuel economy are knowable before purchase. Reliability is the variable that matters most after. The RepairPal score below gives you a data point on what to expect.

How Reliable Is the 2026 Mercedes-Benz GLS?

RepairPal rates the 2026 Mercedes-Benz GLS at 2.5 out of 5.0 for reliability, below average for luxury SUVs. This may mean higher repair frequency or more costly repairs over time. Source: RepairPal.

2.5/5.0RepairPal Rating

A warranty does not make a vehicle more reliable, but it does limit your financial exposure if something fails. Here is what Mercedes-Benz includes.

What Warranty Does the 2026 Mercedes-Benz GLS Come With?

Mercedes-Benz provides the following warranty coverage for the 2026 GLS. Coverage periods start from the original purchase date and vary by component. Source: manufacturer-published warranty terms.

Basic Warranty4yr/50k
Powertrain Warranty4yr/50k
Corrosion Warranty4yr/50k
Roadside Assistance4yr/50k

What Are the 2026 Mercedes-Benz GLS Specs?

Core specifications for the 2026 Mercedes-Benz GLS as reported by the manufacturer. Figures may vary by trim, option packages, and production date. Source: manufacturer data.

EPA vehicle class: Full-size SUV

Engine3L I6, 4L V8
Horsepower375 - 603 hp
Power-to-Weight135.8 - 197.1 hp per ton
Price per HP$228 - $251
Torque369 - 627 lb-ft
Transmission9-speed shiftable automatic
Drive TypeAll-Wheel Drive
Fuel Typepremium unleaded (required)
Fuel Tank23.8 gal
Est. Range per Tank500 miles per tank (EPA combined)
Length205.0 - 206.4 in
Width79.9 in
Height70.2 - 71.8 in
Wheelbase123.4 in
Curb Weight5,523 - 6,118 lbs

That is the complete data picture for the 2026 Mercedes-Benz GLS. In this price range, the depreciation and insurance estimates above often carry more weight than fuel cost. Data is refreshed periodically.

Data coverage & source links

The following data categories are not yet available for the 2026 Mercedes-Benz GLS: NHTSA has not yet published crash test results for this vehicle. IIHS has not yet tested this vehicle for crashworthiness. Learn how we collect, verify, and present vehicle data.

Verify this data

2026 Mercedes-Benz GLS FAQ

Answers generated from published EPA, NHTSA, IIHS, AAA, and RepairPal data. Not personal advice.

Which 2026 Mercedes-Benz GLS trim has the lowest ownership cost?

Among 3 available trims, the GLS 450 4MATIC has the lowest estimated five-year ownership cost at $155,700, starting at $90,250 MSRP. The most expensive trim to own is about $203,685. See the full trim comparison table above for a side-by-side breakdown.

What vehicles compete with the 2026 Mercedes-Benz GLS?

Vehicles similar to the 2026 Mercedes-Benz GLS in price and segment include 2026 Audi Q8, 2026 BMW X5, and 2026 Jeep Grand Wagoneer L. The Audi Q8 is the closest in price (starting at $75,600, 5-star NHTSA, 19 MPG). Each has its own fact sheet with EPA, NHTSA, IIHS, and cost data for comparison. Browse all 2026 SUVs.

How much does a 2026 Mercedes-Benz GLS cost per month to own?

Excluding your car payment, estimated monthly costs for the 2026 Mercedes-Benz GLS include about $862 for insurance, maintenance, depreciation, and fees, plus roughly $275 for fuel. That puts non-payment running costs around $1,137 per month. These are estimates based on AAA class averages and EPA fuel data. Actual costs depend on your driving, location, and coverage.

Is the 2026 Mercedes-Benz GLS a hybrid?

Yes, the entire 2026 Mercedes-Benz GLS lineup uses a hybrid powertrain across all 3 trims. The most efficient trim has an estimated annual fuel cost of $3,300. Hybrid powertrains combine a gas engine with an electric motor for improved fuel efficiency. See our Hybrid SUVs 2026 list.

Where is Mercedes-Benz based?

Mercedes-Benz's headquarters are in Germany. Assembly location varies by model and sometimes by trim. The "Brand Origin" label on this site refers to corporate headquarters, not the factory where your specific vehicle was built. See our Germany-brand cars 2026 list.

What other Mercedes-Benz models are available for 2026?

Each 2026 Mercedes-Benz model on this site has its own fact sheet covering available safety, fuel, reliability, cost, and recall data. Visit our Mercedes-Benz models page for the full lineup.

How much does the 2026 Mercedes-Benz GLS depreciate?

AAA estimates total annual ownership costs of $10,340 for the Compact SUV (Hybrid) class, with depreciation typically being the largest component. See the ownership cost section above for the full breakdown.