2026 Mercedes-Benz GLS

Crossover 7 seats 3 trims Luxury SUVs Over $80,000

Starting MSRP

$90,250

to $151,050

About the 2026 Mercedes-Benz GLS

The 2026 Mercedes-Benz GLS reigns as the pinnacle of three-row luxury SUVs, blending imposing stature with astonishing agility. Power delivery is immediate, thanks to the mandatory mild-hybrid system underpinning the range, kicking off with the GLS 450's 375 horsepower. Commanding the road, this nearly 17-foot-long Crossover—measuring 205.0 inches in length—manages its considerable presence with sophisticated all-wheel-drive grip and a swift 9-speed shiftable automatic transmission. Inside, second-row passengers benefit from generous 41.9 inches of legroom, confirming that spirited performance never comes at the expense of opulent comfort in the 2026 Mercedes-Benz GLS.

Key Highlights

Robust Mild-Hybrid Power

Every 2026 Mercedes-Benz GLS utilizes a mild-hybrid powertrain, ensuring the standard 375 hp unit delivers instant torque for immediate responsiveness when merging onto highways.

Spacious Interior Dimensions

With 41.9 inches of rear legroom, the second row provides exceptional comfort, making long road trips enjoyable for adult passengers.

Premium Fuel Efficiency

Despite its substantial size and power, the GLS achieves a respectable 21 MPG combined, requiring premium unleaded fuel for optimal performance.

Performance Range Options

Buyers can choose from three distinct trims, including the range-topping AMG GLS 63 variant, offering escalating levels of twin-turbo V8 muscle.

Best For

Executive Families - The 2026 Mercedes-Benz GLS accommodates seven passengers while offering powerful engine options and a price point starting above $90,000 for top-tier refinement.
Luxury Adventurers - Its standard all-wheel drive and capable architecture allow owners to tackle varied conditions while maintaining a composed ride throughout its 205.0-inch frame.
Performance Enthusiasts - Those who refuse to compromise on excitement will appreciate the available AMG GLS 63 trim and the smooth, quick action of the 9-speed automatic transmission.

Available Trims

Trim MSRP Drivetrain Horsepower MPG
AMG GLS 63 4dr SUV AWD (4.0L 8cyl Turbo gas/electric mild hybrid 9A)
$151,050 all wheel drive 603 hp 17 mpg
GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
$90,250 all wheel drive 375 hp 21 mpg
GLS 580 4MATIC 4dr SUV AWD (4.0L 8cyl Turbo gas/electric mild hybrid 9A)
$116,150 all wheel drive 510 hp 16 mpg
Specifications comparison table for 2026 Mercedes-Benz GLS, 2026 Mercedes-Benz GLS, 2026 Mercedes-Benz GLS. Data includes dimensions, performance, fuel economy, and interior specifications. Green highlighting indicates best values, red indicates worst values.

Specifications Comparison

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Features Comparison

Feature
AMG GLS 63 4dr SUV AWD (4.0L 8cyl Turbo gas/electric mild hybrid 9A)
GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
GLS 580 4MATIC 4dr SUV AWD (4.0L 8cyl Turbo gas/electric mild hybrid 9A)
FeatureAMG GLS 63 4dr SUV AWD (4.0L 8cyl Turbo gas/electric mild hybrid 9A)GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)GLS 580 4MATIC 4dr SUV AWD (4.0L 8cyl Turbo gas/electric mild hybrid 9A)
Safety (38 features)
Adaptive Headlights
Anti-Theft Alarm System (Remote)
Anti-lock Brakes (ABS)4-Wheel4-Wheel4-Wheel
Automatic Headlights
Blind Spot Monitor
Brake Assist
Brake Drying
Brake Preparation System
Cornering Lights
Daytime Running Lights
Driver Attention Alert
Dual Front Side-Mounted Airbags
Electronic Stability Control
Engine Immobilizer
Front Cross Traffic Alert
Front Head Airbags
Front Headrests222
Front Power Adjustable Headrests
Front Ventilated Disc Brakes
Headlight Delay-Off
Integrated Turn Signal Mirrors
LATCH System
LED Headlights
Lane Departure Warning
Lane Keeping Assist System
Passenger Airbag Occupant Sensing Deactivation
Post-Collision Safety System
Pre-Collision Safety System
Rear Center 3-Point Seatbelt
Rear Cross Traffic Alert
Rear Door Child Safety Locks
Rear Head Airbags
Rear Headrests333
Rear Height Adjustable Headrests
Rear Ventilated Disc Brakes
Third Row Head Airbags
Tire Pressure Monitoring System
Traction Control System
Engine (10 features)
Base Engine Displacement4.0 L3.0 L4.0 L
Base Engine Typemild hybridmild hybridmild hybrid
Camshaft TypeDouble overhead cam (DOHC)Double overhead cam (DOHC)Double overhead cam (DOHC)
Cylinder Deactivation
Fuel Injection Type
Horsepower603 hp @ 5750 rpm375 hp @ 5800 rpm510 hp @ 5500 rpm
Number of CylindersV8inline 6V8
Number of Valves322432
Torque627 lb-ft @ 2500 rpm369 lb-ft @ 1800 rpm538 lb-ft @ 2000 rpm
Variable Valve TimingVariableVariableVariable
Drive Train (6 features)
Center Differential TypeLimited SlipLimited Slip
Drivetrain Typeall wheel driveall wheel driveall wheel drive
Hill Descent Control
Transmission Type9-speed shiftable automatic9-speed shiftable automatic9-speed shiftable automatic
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Fuel (5 features)
EPA Driving Range (City/Highway)357.0/476.0 mi.452.2/571.2 mi.333.2/476.0 mi.
EPA Fuel Economy (City/Highway)15/20 MPG19/24 MPG14/20 MPG
EPA Fuel Economy (Combined)17 MPG21 MPG16 MPG
Fuel Tank Capacity23.8 gal.23.8 gal.23.8 gal.
Fuel Typepremium unleaded (required)premium unleaded (required)premium unleaded (required)
Warranty (5 features)
Basic Warranty4 yr./ 50000 mi.4 yr./ 50000 mi.4 yr./ 50000 mi.
Corrosion/Rust Warranty4 yr./ 50000 mi.4 yr./ 50000 mi.4 yr./ 50000 mi.
Drivetrain Warranty4 yr./ 50000 mi.4 yr./ 50000 mi.4 yr./ 50000 mi.
Hybrid Component Warranty6 yr./ 62000 mi.6 yr./ 62000 mi.6 yr./ 62000 mi.
Roadside Assistance4 yr./ 50000 mi.4 yr./ 50000 mi.4 yr./ 50000 mi.
Comfort & Convenience (32 features)
3rd Row Cupholders
Adaptive Cruise Control
Audio Controls on Steering Wheel
Auto-Dimming Rearview Mirror
Automatic Parking Assist
Climate Control Zones55
Cruise Control on Steering Wheel
Dual Vanity Mirrors
Electric Power Steering
Four Zone Climate Control
Front Cupholders
Front Door Pockets
Front Parking Sensors
Front Seatback Storage
Front View Camera
Heated Steering Wheel
Interior Air Filtration
Leather Steering Wheel
Overhead Console with Storage
Power Rear Seat Easy Entry
Power Tilt and Telescopic Steering Wheel
Push Button Start
Rear Cupholders
Rear Door Pockets
Rear Parking Sensors
Rear Ventilation Ducts with Fan Control
Rear View Camera
Side View Camera
Transmission Controls on Steering Wheel
Turn Signal Indicators in Mirrors
Universal Remote Transmitter
Wireless Charging Pad
In Car Entertainment (14 features)
AM/FM Stereo
Android Auto (Wireless)
Apple CarPlay (Wireless)
Infotainment Display12.3 in12.3 in12.3 in
Premium Speaker BrandBurmesterBurmesterBurmester
Satellite Radio
Satellite Radio Trial Period6 months6 months6 months
Speaker System131313
Speed Sensitive Volume Control
Stereo Power590W590W590W
Subwoofer Count222
Surround AudioDiscreteDiscreteDiscrete
USB Port
USB Port with External Media Control
Power Feature (5 features)
Heated Mirrors
Keyless Entry
Moonroof Type1st Row Power Glass Extended1st Row Power Glass Extended1st Row Power Glass Extended
One-Touch Power Windows444
Reverse Tilt Passenger Mirror
Frontseats (23 features)
Driver Seat HeatingMulti-levelMulti-levelMulti-level
Driver Seat Height Adjustment
Driver Seat Lumbar SupportPowerPowerPower
Driver Seat Memory Settings333
Driver Seat Power Adjustments10-way10-way10-way
Driver Seat Thigh Extension
Driver Seat Ventilation
Front Head Room39.4 in.39.4 in.39.4 in.
Front Hip Room60.8 in.60.8 in.60.8 in.
Front Leg Room40.3 in.40.3 in.40.3 in.
Front Seat Type: Bucket
Front Shoulder Room59.3 in.59.3 in.59.3 in.
Passenger Seat HeatingMulti-levelMulti-levelMulti-level
Passenger Seat Height Adjustment
Passenger Seat Lumbar SupportPowerPowerPower
Passenger Seat Memory Settings333
Passenger Seat Power Adjustments10-way10-way10-way
Passenger Seat Thigh Extension
Passenger Seat Ventilation
Seat Massage Function
Seat Material: Leather
Seat Material: Leatherette
Seat Material: Premium Leather
Rearseats (9 features)
Folding Center Armrest
Heated Rear Seats (Multi-Level)
Power Folding Third Row Seat
Rear Head Room40.2 in.40.2 in.40.2 in.
Rear Hip Room60.0 in.60.0 in.60.0 in.
Rear Leg Room41.9 in.41.9 in.41.9 in.
Rear Shoulder Room58.5 in.58.5 in.58.5 in.
Reclining Rear Seats
Split-Folding Rear Seatback
Tires and Wheels (7 features)
Spare Tire LocationInside MountedInside MountedInside Mounted
Spare Tire TypeTemporaryTemporaryTemporary
Tire Size315/45R21315/40R21325/40R22
Tire TypePerformanceAll SeasonPerformance
Wheel FinishPainted Alloy
Wheel MaterialAlloyAlloy
Wheel Size21 x 11.5 in.21 x 11.0 in.22 x 11.5 in.
Suspension (3 features)
Four-Wheel Independent Suspension
Front Stabilizer Bar
Rear Stabilizer Bar
Instrumentation (5 features)
Clock
Compass
External Temperature Display
Tachometer
Trip Computer
Measurements (13 features)
0-60 mph Acceleration Time4.1 seconds5.8 seconds4.7 seconds
Cargo Capacity (Seats Up)17.4 cu.ft.17.4 cu.ft.17.4 cu.ft.
Country of Final AssemblyUnited StatesUnited StatesUnited States
Curb Weight6118 lbs.5523 lbs.5842 lbs.
Ground Clearance7.9 in.7.9 in.
Height70.2 in.71.8 in.71.8 in.
Length206.4 in.205.0 in.205.2 in.
Maximum Cargo Capacity84.7 cu.ft.84.7 cu.ft.84.7 cu.ft.
Maximum Towing Capacity7700 lbs.7700 lbs.7700 lbs.
Turning Circle39.4 ft.39.4 ft.
Wheelbase123.4 in.123.4 in.123.4 in.
Width (With Mirrors)84.9 in.84.9 in.84.9 in.
Width (Without Mirrors)79.9 in.79.9 in.79.9 in.
Telematics (8 features)
Airbag Deployment Notification
Concierge Service
Destination Download
Emergency Service
Roadside Assistance
Stolen Vehicle Tracking
Turn-by-Turn Navigation
Vehicle Alarm Notification

Frequently Asked Questions

What is the standard fuel economy for the 2026 Mercedes-Benz GLS?

The baseline GLS 450 4MATIC achieves a combined 21 MPG. Specifically, drivers can anticipate 19 MPG in city driving and 24 MPG during highway runs.

How much cargo space is available behind the third row of the 2026 GLS?

When all seven seats are in use, the 2026 Mercedes-Benz GLS provides 17.4 cubic feet of dedicated cargo space, ideal for daily necessities.

What defines the power difference between the base and top-tier 2026 GLS trims?

The entry GLS 450 produces 375 horsepower and 369 lb-ft of torque from its mild hybrid 6-cylinder, while the AMG GLS 63 features a significantly more potent 8-cylinder setup.

Is the 2026 Mercedes-Benz GLS available with a non-AWD configuration?

No, all three available trims—the GLS 450, GLS 580, and AMG GLS 63—come standard with 4MATIC all-wheel drive.

What is the price range for the three trims of the 2026 Mercedes-Benz GLS?

The three trims span a significant luxury spectrum, beginning at $90,250 for the entry model and extending up to $151,050 for the highest specification.

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