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2023 Mercedes-Benz GLS450 review

Research, photos, specs, and expertise

Mercedes-Benz GLS450 highlights

Customer rating

(not yet rated)

RepairPal reliability rating

Mileage (EPA estimate)

18 city, 24 highway, 20 combined

Pricing for current inventory

(no current inventory)

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All Mercedes-Benz GLS450 years

What is new for the 2023 Mercedes-Benz GLS450?

  • GLS450 trims have been upgraded with Seat Massagers, Panoramic Sunroof, Remote Start, and Auxiliary Audio Input as standard equipment this year.

2023 Mercedes-Benz GLS450 trims

Curious how Mercedes-Benz GLS450 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

Base:

  • 362-hp, 369-lb-ft of torque 3.0L
  • Panoramic Sunroof
  • Cruise Control
  • Third Row Seat
  • Power Folding Third Row
  • Seat Massagers
  • Power Mirrors
  • Rear Air Conditioning
  • Traction Control
  • View our Mercedes-Benz GLS450 inventory

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Ratings & reliability

Customer ratings

The 2023 Mercedes-Benz GLS450 is not yet rated. Help future customers learn about a car you've owned and write a review.

RepairPal reliability rating

3
1
2
Above Average

RepairPal gave the Mercedes-Benz GLS450 an overall reliability rating of 3.5 out of 5 stars, which RepairPal describes as Above Average. This rating ranks Mercedes-Benz GLS450 5th out of 20 among Luxury Fullsize SUVs.

View RepairPal's full rating of the Mercedes-Benz GLS450

Mercedes-Benz GLS450 features and specs

Curious how Mercedes-Benz GLS450 trims differ? Use our side-by-side vehicle comparison to see the differences and similarities

4D Sport Utility 4WD/AWD

Standard Features

  • Power Locks
  • Parking Sensors
  • Third Row Seat
  • Power Seat(s)
  • Seat Massagers
  • Power Mirrors
  • Smart Key
  • Cruise Control
  • Leatherette Seats
  • Power Windows
  • Power Folding Third Row
  • Traction Control
  • Overhead Airbags
  • Panoramic Sunroof
  • ABS Brakes
  • Air Conditioning
  • Rear Air Conditioning
  • Remote Start
  • Rear View Camera
  • Blind Spot Monitor
  • Front Seat Heaters
  • Rear Defroster
  • Side Airbags
  • A/C Seat(s)
  • Memory Seat(s)
  • Heated Mirrors
  • Alloy Wheels
  • 20 Inch Plus Wheels
  • Power Hatch/Deck Lid
  • Automatic Transmission
  • Turbo Charged Engine
  • 4WD/AWD
  • Apple CarPlay
  • Navigation System
  • Bluetooth Technology
  • AM/FM Stereo
  • Satellite Radio Ready
  • Auxiliary Audio Input
  • Burmester Audio
  • Android Auto

Optional Features

  • Heated Steering Wheel
  • Lane Departure Warning
  • Leather Seats
  • Automated Cruise Control
  • Head Up Display
  • Quad Seats
  • Rear Seat Heaters
  • Tow Hitch
  • Full Roof Rack
  • Running Boards

Drive Wheels

All Wheel Drive (4WD/AWD)

Engine size

3.0L

Horsepower

362

Torque (ft-lbs)

369

Engine type

Turbo Gas

Fuel capacity

23.8

Wheelbase

123.4"

Overall length

205"

Width

79.9"

Height

71.8"

Leg room

F 40.3"/M 41.9"/R 34.6"

Head room

F 39.4"/M 40.2"/R 38.9"

Front tires

P275/50HR20

Rear tires

P275/50HR20

Seating capacity

7

Transmission

Automatic

2023 Mercedes-Benz GLS450 FAQ

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* Price excludes taxes, title, registration, and fees. Applicable transfer fees are due in advance of vehicle delivery and are separate from sales transactions.

We hope you found this information helpful. This content is intended to inform and is not meant to indicate that a particular vehicle is currently available or recommended for you.​

Statements of fuel economy or EV range are based on EPA and other third-party estimates for vehicles when new. Fuel economy and EV range will degrade with time and vary based on age, driving conditions, vehicle history, and other conditions. See fueleconomy.gov for more info.

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