2026 Mercedes-Benz GLS
The 2026 Mercedes-Benz GLS is a SUV priced from $90,250 to $151,050 with 3 available trims. This page brings together safety ratings from NHTSA and IIHS, fuel economy data from the EPA, reliability scores from RepairPal, ownership cost estimates from AAA, and manufacturer specifications. Every number below is sourced from its original publisher and can be independently verified.
The 2026 Mercedes-Benz GLS earns a F for fuel cost among luxury SUVs. NHTSA has no recall campaigns on file for this vehicle.
What the published data indicates
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.
- maintenance cost
Strongest published signals
- AAA estimates $1,491/yr in maintenance for the Compact SUV (Hybrid) class, below the $1,786 average for conventional vehicles.
Limits and cautions
- Crash-test coverage is incomplete: NHTSA and IIHS data is not available for this model yet.
- Reliability is weak by current standards: RepairPal 2.5/5. Most reliable SUVs 2026 →
- Fuel cost is a real drawback here: Most expensive to fuel among hybrid SUVs. Cheapest SUVs to fuel 2026 →
Comparable models
- Starting MSRP
- $90,250 - $151,050
- EPA Combined MPG
- 16-21 MPG
- Est. Annual Fuel Cost
- $2,750 - $3,600/yr
- Recalls on File
- No recalls on file
- EPA: vs Avg Vehicle
- $6,000 more over 5 yrs
- Brand Origin
- Germany
While NHTSA uses a star rating system, IIHS rates individual crash types. The two together offer a fuller view of how this vehicle performs in different crash scenarios.
Test scores tell part of the safety story. The recall record adds another dimension: real-world defects identified after production.
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 1.8. Recalls may be issued at any time. Source: NHTSA.
No recalls on file with NHTSA
Owner-Reported Problems
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 2026-03-07.
From safety to cost. How much fuel this vehicle uses directly affects what you pay month to month.
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 $2,750. That is $304 more per year than the $2,446 average for luxury SUVs. EPA estimates are based on standardized laboratory tests. Source: EPA (fueleconomy.gov).
Ranges from 16 to 21 combined MPG depending on trim and drivetrain.
| Trim | Combined | City | Highway | Annual Fuel Cost |
|---|---|---|---|---|
| GLS 450 4MATIC | 21 MPG | 19 | 24 | $2,750/yr |
| GLS 580 4MATIC | 16 MPG | 14 | 20 | $3,600/yr |
| AMG GLS 63 | 17 MPG | 15 | 20 | $3,400/yr |
Beyond fuel, the full ownership picture includes insurance, routine maintenance, depreciation, and financing. AAA publishes annual estimates for each vehicle 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/yr |
|---|---|
| Insurance | $1,771/yr |
| Depreciation | $3,865/yr |
| Registration & Taxes | $779/yr |
| Financing | $1,086/yr |
| Total (excluding fuel) | $10,340/yr |
Which trim offers the best balance of cost and equipment? The breakdown below compares all 3 options side by side.
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 MPG | 21 MPG |
| Est. Annual Fuel Cost | $2,750/yr |
| Drive Type | All-Wheel Drive |
| Horsepower | 375 hp |
| Est. 5-Year Cost | $155,700 |
GLS 580 4MATIC
| Base MSRP | $116,150 |
|---|---|
| Combined MPG | 16 MPG |
| Est. Annual Fuel Cost | $3,600/yr |
| Drive Type | All-Wheel Drive |
| Horsepower | 510 hp |
| Est. 5-Year Cost | $185,850 |
AMG GLS 63
| Base MSRP | $151,050 |
|---|---|
| Combined MPG | 17 MPG |
| Est. Annual Fuel Cost | $3,400/yr |
| Drive Type | All-Wheel Drive |
| Horsepower | 603 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.
Your driving & financing
After narrowing down a trim, it helps to check the broader reliability picture. The section below summarizes the third-party reliability rating we have on file.
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.
Warranty coverage sets the floor for what the manufacturer will repair at no cost. Here are Mercedes-Benz's published terms.
What Warranty Does the 2026 Mercedes-Benz GLS Come With?
Mercedes-Benz provides the following warranty coverage for the 2026 GLS. Warranty terms are published by the manufacturer and apply to all trims. Coverage begins from the date of original purchase. Warranty terms shown here reflect the most recently published manufacturer data.
| Basic Warranty | 4yr/50k |
|---|---|
| Powertrain Warranty | 4yr/50k |
| Corrosion Warranty | 4yr/50k |
| Roadside Assistance | 4yr/50k |
What Are the 2026 Mercedes-Benz GLS Specs?
Detailed specifications for the 2026 Mercedes-Benz GLS as reported by the manufacturer. Specifications may vary by trim, market, and production date. Source: manufacturer-reported data.
| Engine | 3L I6, 4L V8 |
|---|---|
| Horsepower | 375 - 603 hp |
| Torque | 369 - 627 lb-ft |
| Transmission | 9-speed shiftable automatic |
| Drive Type | All-Wheel Drive |
| Fuel Type | premium unleaded (required) |
| Fuel Tank | 23.8 gal |
| Length | 205.0 - 206.4 in |
|---|---|
| Width | 79.9 in |
| Height | 70.2 - 71.8 in |
| Wheelbase | 123.4 in |
| Curb Weight | 5,523 - 6,118 lbs |
Data Coverage
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.
That is the complete data picture for the 2026 Mercedes-Benz GLS based on published data from EPA, NHTSA, IIHS, AAA, manufacturers, and selected third-party references as of the dates shown above. If any of these agencies publishes updated data, this page will reflect those changes automatically. For questions about how this data is collected and verified, see our methodology page.
Verify this data
2026 Mercedes-Benz GLS FAQ
How does the 2026 Mercedes-Benz GLS compare to other suvs?
Based on published data, the 2026 Mercedes-Benz GLS has a fuel cost grade of F, a RepairPal reliability score of 2.5/5, and zero recalls on file. These grades compare it against similar suvs in its price range. No single metric tells the whole story, so we recommend reviewing each section on this page. See our Safest SUVs 2026 list.
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.
How much does 2026 Mercedes-Benz GLS insurance cost?
AAA estimates the annual insurance cost for the Compact SUV (Hybrid) class at $1,771 per year, or about $148 per month. This is a class-level average, not specific to the 2026 Mercedes-Benz GLS. Your actual premium will depend on your driving history, location, and coverage choices. Source: AAA Your Driving Costs study.
How much does 2026 Mercedes-Benz GLS maintenance cost per year?
AAA estimates average annual maintenance for the Compact SUV (Hybrid) class at $1,491 per year. This covers routine services, wear items, and unscheduled repairs. Combined with insurance ($1,771/yr) and depreciation ($3,865/yr), total non-fuel ownership costs run about $10,340 per year. These are class averages from the AAA Your Driving Costs study.
How fast does a 2026 Mercedes-Benz GLS depreciate?
AAA estimates the Compact SUV (Hybrid) class depreciates about $3,865 per year, or roughly $19,325 over five years. On a base MSRP of $90,250, that represents about 21% of the purchase price. These are class averages and actual depreciation varies by trim, condition, mileage, and market demand. Source: AAA.
How much will I spend on gas with a 2026 Mercedes-Benz GLS?
The most efficient 2026 Mercedes-Benz GLS trim costs an estimated $2,750 per year in fuel, or about $229 per month, based on EPA ratings and national average fuel prices. That is about $304 more than the average for similar suvs. See our Cheapest SUVs to fuel 2026 list.
What vehicles compete with the 2026 Mercedes-Benz GLS?
Based on price range, body type, and segment positioning, the closest competitors to the 2026 Mercedes-Benz GLS include 2026 Audi Q8, 2026 BMW X5, and 2026 Jeep Grand Wagoneer L. Each of those pages includes the same safety, fuel cost, reliability, and recall data so you can compare directly. 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 $229 for fuel. That puts non-payment running costs around $1,091 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 $2,750. Hybrid powertrains combine a gas engine with an electric motor for improved fuel efficiency. See our Hybrid SUVs 2026 list.
Has the 2026 Mercedes-Benz GLS been recalled?
No. As of this writing, NHTSA has zero recall campaigns on file for the 2026 Mercedes-Benz GLS. Recalls can be issued at any time, so this status may change. You can check for updates on the NHTSA website. See our Zero-recall cars 2026 list.
Compare to Similar Vehicles
Related Comparisons
Data on this page is compiled from government agencies and independent research organizations. It is provided for informational purposes only and does not constitute financial, purchasing, or safety advice. Verify all data with the original source before making decisions.