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2024 Mercedes-Benz GLS450 review

Research, photos, specs, and expertise

Mercedes-Benz GLS450 highlights

Customer rating

(not yet rated)

RepairPal reliability rating

Pros

  • Spacious third-row seating
  • Smooth, zippy acceleration
  • Wireless device charging in the front

Cons

  • Size makes it difficult to maneuver
  • Small text on driver controls
  • Limited rear cargo space (17 cu-ft) with third-row seats upright

Mileage (EPA estimate)

18 city, 23 highway, 20 combined

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All Mercedes-Benz GLS450 years

What is new for the 2024 Mercedes-Benz GLS450?

  • GLS450 trims have been upgraded with Automated Cruise Control, Adjustable Suspension, and Lane Departure Warning as standard equipment this year.
  • Seat Massagers and Rear Sunshade features are now available as options on select trims.

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Ratings & reliability

Customer ratings

The 2024 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
  • Power Windows
  • Panoramic Sunroof
  • Air Conditioning
  • Rear Air Conditioning
  • Rear Defroster
  • Automated Cruise Control
  • ABS Brakes
  • Third Row Seat
  • Power Seat(s)
  • Power Folding Third Row
  • Power Mirrors
  • Adjustable Suspension
  • Traction Control
  • Leatherette Seats
  • Side Airbags
  • Overhead Airbags
  • Rear View Camera
  • Parking Sensors
  • Blind Spot Monitor
  • Lane Departure Warning
  • Smart Key
  • Memory Seat(s)
  • Front Seat Heaters
  • A/C Seat(s)
  • Heated Mirrors
  • Power Hatch/Deck Lid
  • 20 Inch Plus Wheels
  • Alloy Wheels
  • 4WD/AWD
  • Automatic Transmission
  • Turbo Charged Engine
  • Satellite Radio Ready
  • Navigation System
  • Burmester Audio
  • Bluetooth Technology
  • Auxiliary Audio Input
  • Apple CarPlay
  • Android Auto
  • AM/FM Stereo

Optional Features

  • Heated Steering Wheel
  • Seat Massagers
  • Head Up Display
  • Rear Seat Heaters
  • Rear Sunshade
  • Leather Seats
  • Quad Seats
  • Full Roof Rack
  • Tow Hitch
  • Running Boards

Drive Wheels

All Wheel Drive (4WD/AWD)

Engine size

3.0L

Horsepower

375

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

P275/45HR21

Rear tires

P315/40HR21

Seating capacity

7

Transmission

Automatic

2024 Mercedes-Benz GLS450 FAQ

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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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