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  • Polar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATIC

    $28,444

    83,900 mi.
    Est. $514/mo

    Auto Buying Service

    4.0
    Check Availability
    Fairfax, VA (12 mi)

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  • Gray 2020 Mercedes-Benz GLS 450 4MATICGray 2020 Mercedes-Benz GLS 450 4MATICGray 2020 Mercedes-Benz GLS 450 4MATICGray 2020 Mercedes-Benz GLS 450 4MATICGray 2020 Mercedes-Benz GLS 450 4MATICGray 2020 Mercedes-Benz GLS 450 4MATIC

    $36,997

    $1K
    64,900 mi.
    Est. $669/mo

    Fred's Executive Auto

    4.6
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    Woodbridge, VA (27 mi)
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  • Selenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATIC

    $33,400

    59,294 mi.
    Est. $604/mo

    Car Town Inc

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    Manassas, VA (26 mi)
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  • Polar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATIC

    $26,571

    106,213 mi.
    Est. $480/mo

    Merlex Auto Group

    3.8
    Check Availability
    Arlington, VA (8 mi)
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  • Diamond White 2020 Mercedes-Benz GLS 450 4MATICDiamond White 2020 Mercedes-Benz GLS 450 4MATICDiamond White 2020 Mercedes-Benz GLS 450 4MATICDiamond White 2020 Mercedes-Benz GLS 450 4MATICDiamond White 2020 Mercedes-Benz GLS 450 4MATICDiamond White 2020 Mercedes-Benz GLS 450 4MATIC

    $25,966

    113,128 mi.
    Est. $469/mo

    Global Auto Outlet

    3.5
    Check Availability
    Temple Hills, MD (14 mi)
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  • WHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATIC

    $35,997

    $10K
    48,000 mi.
    Est. $651/mo

    Fred's Executive Auto

    4.6
    Check Availability
    Woodbridge, VA (27 mi)
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  • Emerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATIC

    $31,966

    42,080 mi.
    Est. $578/mo

    Merlex Auto Group

    3.8
    Check Availability
    Arlington, VA (8 mi)
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  • Emerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATICEmerald Green 2020 Mercedes-Benz GLS 450 4MATIC

    $28,966

    93,532 mi.
    Est. $523/mo

    Merlex Auto Group

    3.8
    Check Availability
    Arlington, VA (8 mi)
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  • Black 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATIC

    $31,880

    86,747 mi.
    Est. $576/mo

    Mercedes-Benz of Alexandria

    3.5
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    Alexandria, VA (13 mi)
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  • Selenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATICSelenite Grey Metallic 2020 Mercedes-Benz GLS 450 4MATIC

    $29,571

    $9.4K
    80,420 mi.
    Est. $534/mo

    Global Auto Outlet

    3.5
    Check Availability
    Temple Hills, MD (14 mi)
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  • WHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATICWHITE 2020 Mercedes-Benz GLS 450 4MATIC

    $30,995

    95,134 mi.
    Est. $560/mo

    CarVault

    2.3
    Check Availability
    Waldorf, MD (26 mi)
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  • Iridium Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2020 Mercedes-Benz GLS 450 4MATIC

    $27,571

    92,929 mi.
    Est. $498/mo

    Merlex Auto Group

    3.8
    Check Availability
    Arlington, VA (8 mi)
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  • Polar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATIC

    $32,000

    73,103 mi.
    Est. $578/mo

    Ourisman Chevrolet Baltimore - Curbside pickup and home delivery available

    3.5
    Check Availability
    Baltimore, MD (30 mi)
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  • Brilliant Blue Metallic 2020 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2020 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2020 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2020 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2020 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2020 Mercedes-Benz GLS 450 4MATIC

    $32,465

    71,568 mi.
    Est. $587/mo

    Merlex Auto Group

    3.8
    Check Availability
    Arlington, VA (8 mi)
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  • Emerald Green Metallic 2020 Mercedes-Benz GLS 450 4MATICEmerald Green Metallic 2020 Mercedes-Benz GLS 450 4MATICEmerald Green Metallic 2020 Mercedes-Benz GLS 450 4MATICEmerald Green Metallic 2020 Mercedes-Benz GLS 450 4MATICEmerald Green Metallic 2020 Mercedes-Benz GLS 450 4MATICEmerald Green Metallic 2020 Mercedes-Benz GLS 450 4MATIC

    $33,150

    $2.8K
    91,887 mi.
    Est. $599/mo

    Car Town Inc

    Check Availability
    Manassas, VA (26 mi)
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  • $41,995

    46,238 mi.
    Est. $759/mo

    Mercedes-Benz of Arlington

    4.7
    Check Availability
    Arlington, VA (8 mi)
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  • Black 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATICBlack 2020 Mercedes-Benz GLS 450 4MATIC

    $31,983

    $1K
    83,500 mi.
    Est. $578/mo

    Bob Johnson Used

    4.0
    Check Availability
    $428 delivery from Rochester, NY (286 mi)
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  • Black 2020 Mercedes-Benz GLS 450Black 2020 Mercedes-Benz GLS 450Black 2020 Mercedes-Benz GLS 450Black 2020 Mercedes-Benz GLS 450Black 2020 Mercedes-Benz GLS 450Black 2020 Mercedes-Benz GLS 450

    $42,998

    36,811 mi.
    Est. $777/mo

    CarMax Orlando

    Check Availability
    $799 delivery to Gaithersburg, MD (12 mi)
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  • Polar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATIC

    $32,000

    $1K
    73,097 mi.
    Est. $578/mo

    Len Stoler Chrysler Dodge Jeep RAM

    4.5
    Check Availability
    Westminster, MD (41 mi)
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  • Polar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATICPolar White 2020 Mercedes-Benz GLS 450 4MATIC

    $26,999

    121,137 mi.
    Est. $488/mo

    Hertrich Infiniti of Newark

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    Newark, DE (87 mi)
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  • 2020 Mercedes-Benz GLS 450 4MATIC2020 Mercedes-Benz GLS 450 4MATIC2020 Mercedes-Benz GLS 450 4MATIC2020 Mercedes-Benz GLS 450 4MATIC2020 Mercedes-Benz GLS 450 4MATIC2020 Mercedes-Benz GLS 450 4MATIC

    $33,994

    66,546 mi.
    Est. $614/mo

    Grace Auto Group

    4.7
    Check Availability
    Morrisville, PA (148 mi)
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Mercedes-Benz GLS 450 prices by year

Model year Average price Deals
2026 Mercedes-Benz GLS 450 $100,977
2024 Mercedes-Benz GLS 450 $69,007 8 Good deals
2023 Mercedes-Benz GLS 450 $58,058 10 Good deals
2022 Mercedes-Benz GLS 450 $51,253 10 Good deals
2018 Mercedes-Benz GLS 450 $21,292 5 Great deals
2017 Mercedes-Benz GLS 450 $15,719 7 Good deals

About the 2020 Mercedes-Benz GLS 450

Basics

4MATIC shown (base trim).

Seating
6
Door count
4
Drivetrain
All-wheel drive
Combined MPG
21
Transmission
9-Speed A/T
Engine
362.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Gasoline/Mild Electric Hybrid)
Side view of the 2020 Mercedes-Benz GLS 450
FAQs

How much does the 2020 Mercedes-Benz GLS 450 cost?

The 2020 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 2020 GLS 450 is $33,963, with pricing starting at $25,966.

What is the MPG of the 2020 Mercedes-Benz GLS 450?

The 2020 Mercedes-Benz GLS 450 offers up to 19 MPG in city driving and 23 MPG on the highway for a combined rating of 21 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 2020 Mercedes-Benz GLS 450?

The 2020 Mercedes-Benz GLS 450 compares to and/or competes against the following vehicles:


Is the 2020 Mercedes-Benz GLS 450 reliable?

The 2020 Mercedes-Benz GLS 450 has an average reliability rating of 4 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2020 GLS 450 owners.

Is the 2020 Mercedes-Benz GLS 450 a good SUV?

Below are the Cars.com consumer ratings for the 2020 Mercedes-Benz GLS 450.

(21 reviews)
Rating breakdown (out of 5):
Comfort
4.7
Interior
4.6
Performance
4.5
Value
4.1
Exterior
4.7
Reliability
4.0
Ratings (21 reviews)

71% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.7
Interior
4.6
Performance
4.5
Value
4.1
Exterior
4.7
Reliability
4.0
Trims

GLS 450 (1 style)

Style
GLS 450 4MATIC SUV
Inventory price
Starting at $75,950
Combined MPG
21
Engine
362.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Gasoline/Mild Electric Hybrid)
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