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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 (17 mi)

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  • Mojave Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2020 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2020 Mercedes-Benz GLS 450 4MATIC

    $29,411

    94,247 mi.
    Est. $532/mo

    DARCARS Lexus Of Silver Spring

    4.7
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    Silver Spring, MD (17 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 (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

    $29,571

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

    Global Auto Outlet

    3.6
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    Temple Hills, MD (26 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

    $5.9K
    93,532 mi.
    Est. $523/mo

    Merlex Auto Group

    3.8
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    Arlington, VA (18 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

    $31,966

    $499
    71,568 mi.
    Est. $578/mo

    Merlex Auto Group

    3.8
    Check Availability
    Arlington, VA (18 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 (18 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 (18 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

    3.6
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    Temple Hills, MD (26 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

    $30,995

    77,904 mi.
    Est. $560/mo

    Auto Buying Service

    4.0
    Check Availability
    Fairfax, VA (17 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 (23 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

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    Manassas, VA (27 mi)
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  • Polar White 2020 Mercedes-Benz GLS 450 Base 4MATICPolar White 2020 Mercedes-Benz GLS 450 Base 4MATICPolar White 2020 Mercedes-Benz GLS 450 Base 4MATICPolar White 2020 Mercedes-Benz GLS 450 Base 4MATICPolar White 2020 Mercedes-Benz GLS 450 Base 4MATICPolar White 2020 Mercedes-Benz GLS 450 Base 4MATIC

    $28,123

    $1.7K
    94,555 mi.
    Est. $508/mo

    NJ Auto Haus LLC

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    $799 delivery from Elizabeth, NJ (193 mi)
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  • Silver 2020 Mercedes-Benz GLS 450 4MATICSilver 2020 Mercedes-Benz GLS 450 4MATICSilver 2020 Mercedes-Benz GLS 450 4MATICSilver 2020 Mercedes-Benz GLS 450 4MATICSilver 2020 Mercedes-Benz GLS 450 4MATICSilver 2020 Mercedes-Benz GLS 450 4MATIC

    $30,850

    95,334 mi.
    Est. $558/mo

    Fishers Imports NW

    4.7
    Check Availability
    $482 delivery from Indianapolis, IN (483 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
    Check Availability
    Woodbridge, VA (33 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

    $32,800

    73,103 mi.
    Est. $593/mo

    Ourisman Chevrolet Baltimore - Curbside pickup and home delivery available

    3.5
    Check Availability
    Baltimore, MD (31 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 (33 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

    $29,995

    $1K
    95,134 mi.
    Est. $542/mo

    CarVault

    2.3
    Check Availability
    Waldorf, MD (39 mi)
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  • $31,450

    $2.5K
    85,407 mi.
    Est. $568/mo

    Nationwide Nissan

    Check Availability
    Timonium, MD (41 mi)
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Mercedes-Benz GLS 450 prices by year

Model year Average price Deals
2026 Mercedes-Benz GLS 450 $100,708 2 Good deals
2025 Mercedes-Benz GLS 450 $78,843 8 Good deals
2024 Mercedes-Benz GLS 450 $69,917 10 Good deals
2022 Mercedes-Benz GLS 450 $51,398 6 Great deals
2017 Mercedes-Benz GLS 450 $15,259 3 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
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 $33,639, with pricing starting at $25,855.

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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