What is the fuel consumption of the 2026 Mercedes-Benz GLS 580 4MATIC SUV?
According to Natural Resources Canada, the most efficient configuration (GLS 580 4MATIC SUV) uses 14.3 L/100 km combined (16.6 city, 11.5 highway).
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2026 Mercedes-Benz GLS 580 4MATIC SUV – Price in Canada, Specs & Trims
PriceMSRP not checked yetOfficial NRCan ratings below
- Combined
- 14.3 L/100 km
- City 16.6 · Hwy 11.5
The 2026 Mercedes-Benz GLS 580 4MATIC SUV is in the Natural Resources Canada fuel-consumption ratings for new light-duty vehicles sold in Canada. 1 configuration are listed, with official L/100 km or electric range. MSRP is shown only when a separate published Canadian price has been checked.
Updated Sources: Natural Resources Canada (fuel consumption ratings)
Mercedes-Benz GLS 580 4MATIC SUV: quick answers
Sources: NRCan, Transport Canada, checked MSRPIs the 2026 Mercedes-Benz GLS 580 4MATIC SUV available with all-wheel drive?
Drivetrain information has not been verified for all configurations.
Are there any recalls on the 2026 Mercedes-Benz GLS 580 4MATIC SUV?
Yes. Transport Canada has published 2 safety recalls covering the 2026 or newer Mercedes-Benz GLS 580 4MATIC SUV. The list, with what to do, is in the Recalls section of this page.
Is the Mercedes-Benz GLS 580 4MATIC SUV fuel efficient?
Its Vehonix efficiency score is 1.7/10. It ranks #261 of 283 SUV models for fuel use.
What are the main rivals of the Mercedes-Benz GLS 580 4MATIC SUV?
The closest matches by body style and price are the Audi SQ7, Nissan Armada PRO-4X, Audi SQ8 quattro and Land Rover Defender 110 OCTA P635. The Rivals section compares price, fuel use and power.
Canadian buyer checklist
NRCan 2026 dataDrivetrain for winter
Not verified
Drivetrain information has not been verified for all configurations.
Combined fuel use (NRCan)
14.3 L/100 km
Federal Green Levy
Up to $2,000
Federal excise tax on fuel-inefficient vehicles (weighted 55% city / 45% highway rating of 13 L/100 km or more), paid by the manufacturer or importer and passed on in the price. Pickups are exempt.
Source: Natural Resources Canada 2026 Fuel Consumption Guide open data, for every rated configuration.
Quick Specifications
City fuel economy16.6 L/100 km
Highway fuel economy11.5 L/100 km
Combined fuel economy14.3 L/100 km
Vehonix efficiency score1.7/10
Dimensions, capacity and EnerGuide
Metric unitsDimensions, capacity and EnerGuide label figures have not been verified for this model yet.
Compare 2026 trims
Tap a trim for full details and province pricing| Trim | GLS 580 4MATIC SUV |
|---|---|
| Powertrain | Gasoline |
| Transmission | Automatic (A9) |
| Drivetrain | — |
| City (NRCan) | 16.6 L/100 km |
| Highway (NRCan) | 11.5 L/100 km |
| Combined (NRCan) | 14.3 L/100 km |
| CO2 | 335 g/km |
| MSRP | Not published |
Prices shown are verified MSRP. Learn how we verify prices.
Canadian price and payments
Sales tax by province| MSRP | — |
|---|---|
| Freight and PDI | $0 |
| Dealer fees | $0 |
| Before tax | — |
| HST (13 %) | — |
| Estimated total, Ontario | — |
Enter an MSRP to see the total: it is not published in our source data for this trim.
General sales tax rates. Some provinces use different rates for vehicles (for example higher BC PST tiers above $55,000). This is not a dealer quote.
Estimated monthly payment
—
Enter a price to calculate.
Estimate only. The 6.99% rate is an example; use your lender’s rate. Leases assume tax on each payment and exclude acquisition, excess-kilometre and end-of-lease fees. This is not a credit offer.
Features and driver assistance
No checked equipment list has been added yet. The ratings above come from the NRCan file.
What will fuel cost?
Based on your kilometres and pricesCheapest to run: GLS 580 4MATIC SUV, $4,435/yr · $22,173 over 5 years
Estimate from NRCan city and highway ratings, your split and your prices. Plug-in hybrids are calculated on gasoline unless comparison is on. Real-world use varies, especially in winter.
Mercedes-Benz warranty in Canada
Years / km, whichever comes first- Basic (bumper to bumper)
- Not verified
- Powertrain
- Not verified
- Corrosion perforation
- Not verified
- Roadside assistance
- Not verified
The manufacturer’s Canadian warranty has not been verified for this model yet. Terms apply to whichever comes first, years or km.
Safety and recalls
Transport Canada · updated 2026-10-192 safety recalls on file for the 2026 Mercedes-Benz GLS 580 4MATIC SUV.
Seats And RestraintsOn a small number of vehicles, the bolts that attach the rear passenger seat belt may not have been properly tightened.
Issue
On a small number of vehicles, the bolts that attach the rear passenger seat belt may not have been properly tightened. As a result, the seat belts could loosen or detach in a crash.
Safety Risk
A seat belt that detaches in a crash could increase the risk of injury.
Corrective Actions
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to inspect and, if necessary, tighten the rear seat belt attachment bolts.
Filed under GLS Class · Official Transport Canada notice ↗
AirbagThe wrong fabric may have been used for the passenger-front airbag cushion.
Issue
On certain vehicles, the wrong fabric may have been used for the passenger-front airbag cushion. As a result, the passenger-front airbag may not inflate properly in a crash.
Safety Risk
An airbag that does not inflate properly could increase the risk of injury in a crash.
Corrective Actions
To reduce the safety risk, Mercedes-Benz recommends that you shouldn't transport a passenger in the front passenger seat until the recall repairs have been completed.
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealer to replace the passenger-front airbag.
Filed under GLS Class · Official Transport Canada notice ↗
Earlier model years · 2024: 2
ElectricalThe bolt for the 48 V ground connection under the passenger seat may not have been tightened properly.
Issue
On certain vehicles, the bolt for the 48 V ground connection under the passenger seat may not have been tightened properly. As a result, the wiring could overheat and melt.
Safety Risk
Wiring that overheats and melts can create the risk of a fire.
Corrective Actions
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to inspect and, if necessary, tighten the ground connection.
Filed under GLS Class · Official Transport Canada notice ↗
Fuel SystemThe fuel delivery module could fail.
Issue
On certain vehicles, the fuel delivery module could fail. If this happens, the engine may run rough or may not start. This could also result in a sudden loss of engine power while driving.
Note: This is an expansion of Transport Canada recall 2023-353.
Safety Risk
A sudden loss of engine power could increase the risk of a crash.
Corrective Actions
Mercedes-Benz will notify owners by mail and advise you to take your vehicle to a dealership to replace the fuel delivery module.
Filed under GLS Class · Official Transport Canada notice ↗
Recalls Transport Canada has filed under this model name. A recall may cover only some versions or build dates, so check your VIN with the manufacturer or a dealer. Transport Canada says manufacturers almost always make these repairs free of charge. How to check your vehicle →
Owner and visitor ratings
Fuel economy, performance, comfort and safetyNo ratings for the Mercedes-Benz GLS 580 4MATIC SUV yet. Be the first!
Ratings from Vehonix visitors, not a road test.
Rate the Mercedes-Benz GLS 580 4MATIC SUV
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Performance
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Safety
Against the competition
GLS 580 4MATIC SUV vs rivals
The Mercedes-Benz GLS 580 4MATIC SUV leads in 0 of 2 categories against 4 direct rivals.
- Combined fuel useSQ8 quattro14.2 L/100 kmGLS 580 4MATIC SUV: #3 of 5
- Vehonix efficiency scoreSQ8 quattro1.8/10GLS 580 4MATIC SUV: #3 of 5
Audi · 2026
SQ7
MSRP not checked yet
- Combined
- 14.3 L
- Power
- —
- Vx score
- 1.7/10
Where it beats the GLS 580 4MATIC SUV
- Fewer 2026 recalls (1 vs 2)
Nissan · 2026
Armada PRO-4X
MSRP not checked yet
- Combined
- 14.4 L
- Power
- —
- Vx score
- 1.6/10
Where it beats the GLS 580 4MATIC SUV
- 4x4 available
Audi · 2026
SQ8 quattro
MSRP not checked yet
- Combined
- 14.2 L−0.1 vs the GLS 580 4MATIC SUV
- Power
- —
- Vx score
- 1.8/10+0.1 vs the GLS 580 4MATIC SUV
Where it beats the GLS 580 4MATIC SUV
- Fewer 2026 recalls (1 vs 2)
Land Rover · 2026
Defender 110 OCTA P635
MSRP not checked yet
- Combined
- 14.2 L−0.1 vs the GLS 580 4MATIC SUV
- Power
- —
- Vx score
- 1.8/10+0.1 vs the GLS 580 4MATIC SUV
Where the GLS 580 4MATIC SUV wins
- Fewer 2026 recalls (2 vs 3)
| Spec | Mercedes-BenzGLS 580 4MATIC SUVThis car | AudiSQ7 | NissanArmada PRO-4X | AudiSQ8 quattro | Land RoverDefender 110 OCTA P635 |
|---|---|---|---|---|---|
| Combined fuel use | 14.3 L/100 km | 14.3 L/100 km | 14.4 L/100 km | 14.2 L/100 km | 14.2 L/100 km |
| City / highway (L/100 km) | 16.6 / 11.5 | 16.3 / 11.9 | 15.7 / 12.9 | 16.1 / 11.9 | 15.8 / 12.1 |
| Vehonix efficiency score | 1.7/10 | 1.7/10 | 1.6/10 | 1.8/10 | 1.8/10 |
| Fuel type | Gasoline | Gasoline | Gasoline | Gasoline | Gasoline |
| Drivetrain | No | No | 4x4 available | No | No |
| Drivetrains | — | — | 4WD | — | — |
| Rated configurations | 1 | 1 | 1 | 1 | 1 |
| Recalls this model year | 2 | 1 | 2 | 1 | 3 |
| Compare | Head-to-head → | Head-to-head → | Head-to-head → | Head-to-head → |
Compare the GLS 580 4MATIC SUV with 3 rivals side by side →
Rivals matched automatically: same body style, other brands, closest starting price (or fuel use when the price is missing). Fuel and ratings: NRCan 2026. Prices: manufacturer MSRP before freight and tax. “Best” only reflects the figures shown.
Same body style
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