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  • White 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATIC

    $18,994

    110,554 mi.
    Est. $324/mo

    Auto Buying Service

    3.8
    Fairfax, VA (17 mi)
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  • Selenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATIC

    $14,778

    133,685 mi.
    Est. $252/mo

    Dealer Network Trade

    4.5
    Springfield, VA (26 mi)
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  • Gray 2018 Mercedes-Benz GLS 450 Base 4MATICGray 2018 Mercedes-Benz GLS 450 Base 4MATICGray 2018 Mercedes-Benz GLS 450 Base 4MATICGray 2018 Mercedes-Benz GLS 450 Base 4MATICGray 2018 Mercedes-Benz GLS 450 Base 4MATICGray 2018 Mercedes-Benz GLS 450 Base 4MATIC

    $21,999

    52,088 mi.
    Est. $376/mo

    Zarvo Motors

    Camp Springs, MD (29 mi)
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  • White 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATIC

    $18,249

    $568
    102,940 mi.
    Est. $312/mo

    Capital Auto Sales

    3.8
    Chantilly, VA (18 mi)
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  • Blue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATIC

    $19,198

    91,398 mi.
    Est. $328/mo

    Sheehy Nissan of Manassas

    4.5
    Manassas, VA (27 mi)
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  • Polar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATIC

    $18,566

    101,821 mi.
    Est. $317/mo

    Global Auto Outlet

    3.6
    Temple Hills, MD (26 mi)
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  • Selenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATIC

    $17,966

    98,361 mi.
    Est. $307/mo

    Global Auto Outlet

    3.6
    Temple Hills, MD (26 mi)
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  • Polar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATICPolar White 2018 Mercedes-Benz GLS 450 4MATIC

    $17,765

    110,494 mi.
    Est. $303/mo

    Global Auto Outlet

    3.6
    Temple Hills, MD (26 mi)
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  • Selenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATIC

    $15,827

    129,790 mi.
    Est. $270/mo

    Auto Deal Makers

    1.9
    Chantilly, VA (19 mi)
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  • White 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATIC

    $16,850

    118,488 mi.
    Est. $288/mo

    Car Town Inc

    Manassas, VA (27 mi)
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  • Blue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATICBlue 2018 Mercedes-Benz GLS 450 4MATIC

    $21,500

    71,013 mi.
    Est. $367/mo

    Exotic Motors

    3.2
    $902 delivery from Rolling Meadows, IL (602 mi)
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  • Arctic White 2018 Mercedes-Benz GLS 450 4MATICArctic White 2018 Mercedes-Benz GLS 450 4MATICArctic White 2018 Mercedes-Benz GLS 450 4MATICArctic White 2018 Mercedes-Benz GLS 450 4MATICArctic White 2018 Mercedes-Benz GLS 450 4MATICArctic White 2018 Mercedes-Benz GLS 450 4MATIC

    $19,490

    90,429 mi.
    Est. $333/mo

    LF Autos

    Baltimore, MD (37 mi)
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  • White 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATICWhite 2018 Mercedes-Benz GLS 450 4MATIC

    $19,499

    79,807 mi.
    Est. $333/mo

    Car Quest Finance Center

    Brandywine, MD (36 mi)
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  • Selenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 450 4MATIC

    $20,799

    87,975 mi.
    Est. $355/mo

    Car Quest Finance Center

    Brandywine, MD (36 mi)
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Mercedes-Benz GLS 450 prices by year

Model year Average price Deals
2026 Mercedes-Benz GLS 450 $99,291 6 Good deals
2025 Mercedes-Benz GLS 450 $78,241 9 Good deals
2024 Mercedes-Benz GLS 450 $69,933 5 Good deals
2022 Mercedes-Benz GLS 450 $49,322 7 Good deals
2020 Mercedes-Benz GLS 450 $29,044 4 Good deals

About the 2018 Mercedes-Benz GLS 450

Basics

4MATIC shown (base trim).

Seating
7
Door count
4
Drivetrain
All-wheel drive
Combined MPG
19
Transmission
9-Speed A/T
Engine
362.0-hp, 3.0-liter, V6 Cylinder Engine (Gasoline Fuel)
Side view of the 2018 Mercedes-Benz GLS 450
FAQs

How much does the 2018 Mercedes-Benz GLS 450 cost?

The 2018 Mercedes-Benz GLS 450 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2018 GLS 450 is $19,988, with pricing starting at $12,528.

What is the MPG of the 2018 Mercedes-Benz GLS 450?

The 2018 Mercedes-Benz GLS 450 offers up to 17 MPG in city driving and 22 MPG on the highway for a combined rating of 19 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2018 Mercedes-Benz GLS 450?

The 2018 Mercedes-Benz GLS 450 compares to and/or competes against the following vehicles:


  • Volvo XC90
  • Mercedes-Benz GLS 580
  • Mercedes-Benz GLS 550
  • Lexus TX 500h
  • BMW X7
  • Audi Q7

Is the 2018 Mercedes-Benz GLS 450 reliable?

The 2018 Mercedes-Benz GLS 450 has an average reliability rating of 4.8 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2018 GLS 450 owners.

Is the 2018 Mercedes-Benz GLS 450 a good SUV?

Below are the Cars.com consumer ratings for the 2018 Mercedes-Benz GLS 450.

(13 reviews)
Rating breakdown (out of 5):
Comfort
4.8
Interior
4.8
Performance
4.8
Value
4.6
Exterior
4.6
Reliability
4.8
Ratings (13 reviews)

100% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.8
Interior
4.8
Performance
4.8
Value
4.6
Exterior
4.6
Reliability
4.8
Trims

GLS 450 (1 style)

Style
GLS 450 4MATIC SUV
Inventory price
Starting at $69,550
Combined MPG
19
Engine
362.0-hp, 3.0-liter, V6 Cylinder Engine (Gasoline Fuel)
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