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  • Selenite Gray Metallic 2021 Mercedes-Benz GLS 450 4MATICSelenite Gray Metallic 2021 Mercedes-Benz GLS 450 4MATICSelenite Gray Metallic 2021 Mercedes-Benz GLS 450 4MATICSelenite Gray Metallic 2021 Mercedes-Benz GLS 450 4MATICSelenite Gray Metallic 2021 Mercedes-Benz GLS 450 4MATICSelenite Gray Metallic 2021 Mercedes-Benz GLS 450 4MATIC

    $37,081

    $1.6K
    54,886 mi.
    Est. $697/mo

    Chrysler Dodge Jeep Ram of Tampa Bay

    4.5
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    Tampa, FL (1,000 mi)

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  • Silver 2021 Mercedes-Benz GLS 450 4MATICSilver 2021 Mercedes-Benz GLS 450 4MATICSilver 2021 Mercedes-Benz GLS 450 4MATICSilver 2021 Mercedes-Benz GLS 450 4MATICSilver 2021 Mercedes-Benz GLS 450 4MATICSilver 2021 Mercedes-Benz GLS 450 4MATIC

    $39,254

    $2K
    60,499 mi.
    Est. $738/mo

    Clay Cooley Volkswagen of Richardson

    4.5
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    Richardson, TX (793 mi)

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  • White 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATIC

    $36,446

    71,516 mi.
    Est. $685/mo

    Ken Garff West Valley Ford

    4.4
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    West Valley City, UT (1,263 mi)
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  • Iridium Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICIridium Silver Metallic 2021 Mercedes-Benz GLS 450 4MATIC

    $39,279

    67,546 mi.
    Est. $738/mo

    Mercedes-Benz of Columbia

    4.8
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    Columbia, MO (320 mi)
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  • Mojave Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2021 Mercedes-Benz GLS 450 4MATICMojave Silver Metallic 2021 Mercedes-Benz GLS 450 4MATIC

    $32,440

    $1.3K
    94,738 mi.
    Est. $610/mo

    Mercedes-Benz Of Oklahoma City

    4.7
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    Oklahoma City, OK (685 mi)
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  • Black 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATIC

    $36,985

    77,879 mi.
    Est. $695/mo

    Peterson Auto Group

    4.3
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    Boise, ID (1,452 mi)
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  • Polar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATIC

    $42,889

    54,839 mi.
    Est. $806/mo

    Porsche Orlando

    4.6
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    Maitland, FL (981 mi)
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  • Polar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATIC

    $40,085

    57,613 mi.
    Est. $753/mo

    Toyota Vallejo

    4.8
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    Vallejo, CA (1,836 mi)

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  • Black 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATIC

    $31,355

    $100
    88,151 mi.
    Est. $589/mo

    Brewer Airport Toyota

    4.9
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    Moon Twp, PA (397 mi)
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  • Gray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATIC

    $36,989

    $3K
    59,237 mi.
    Est. $695/mo

    Terryville Chevrolet

    4.4
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    Terryville, CT (753 mi)
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  • Polar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATIC

    $44,170

    35,675 mi.
    Est. $830/mo

    Rallye Lexus

    4.8
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    Glen Cove, NY (730 mi)
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  • White 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATIC

    $38,995

    61,688 mi.
    Est. $733/mo

    Sterling Heights Chrysler Dodge Jeep RAM

    4.2
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    Sterling Heights, MI (241 mi)
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  • designo Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATIC

    $46,182

    36,779 mi.
    Est. $868/mo

    Mercedes-Benz of Buckhead

    4.5
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    Atlanta, GA (585 mi)
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  • Black 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATICBlack 2021 Mercedes-Benz GLS 450 4MATIC

    $37,985

    68,916 mi.
    Est. $714/mo

    Crest INFINITI

    4.8
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    Frisco, TX (789 mi)
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  • 2021 Mercedes-Benz GLS 450 4MATIC2021 Mercedes-Benz GLS 450 4MATIC2021 Mercedes-Benz GLS 450 4MATIC2021 Mercedes-Benz GLS 450 4MATIC2021 Mercedes-Benz GLS 450 4MATIC2021 Mercedes-Benz GLS 450 4MATIC

    $29,002

    $2K
    100,498 mi.
    Est. $545/mo

    Westside Lexus

    4.8
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    Houston, TX (947 mi)
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  • Diamond White Metallic 2021 Mercedes-Benz GLS 450 4MATICDiamond White Metallic 2021 Mercedes-Benz GLS 450 4MATICDiamond White Metallic 2021 Mercedes-Benz GLS 450 4MATICDiamond White Metallic 2021 Mercedes-Benz GLS 450 4MATICDiamond White Metallic 2021 Mercedes-Benz GLS 450 4MATICDiamond White Metallic 2021 Mercedes-Benz GLS 450 4MATIC

    $41,798

    41,725 mi.
    Est. $786/mo

    Courtesy Hyundai Tampa

    4.4
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    Tampa, FL (1,002 mi)
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  • Lunar Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICLunar Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICLunar Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICLunar Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICLunar Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICLunar Blue Metallic 2021 Mercedes-Benz GLS 450 4MATIC

    $48,769

    41,107 mi.
    Est. $917/mo

    Mercedes-Benz Of Henderson

    4.6
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    Henderson, NV (1,519 mi)
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  • Brilliant Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2021 Mercedes-Benz GLS 450 4MATICBrilliant Blue Metallic 2021 Mercedes-Benz GLS 450 4MATIC

    $38,895

    69,147 mi.
    Est. $731/mo

    National City Auto Center

    4.9
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    National City, CA (1,730 mi)
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  • Gray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATICGray 2021 Mercedes-Benz GLS 450 4MATIC

    $44,179

    $340
    36,886 mi.
    Est. $830/mo

    Woodhouse Cadillac of Omaha

    4.5
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    Omaha, NE (439 mi)
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  • designo Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATICdesigno Diamond White Bright 2021 Mercedes-Benz GLS 450 4MATIC

    $38,401

    $100
    59,373 mi.
    Est. $722/mo

    AutoNation CDJR North Columbus

    4.4
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    Columbus, GA (662 mi)
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  • Polar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATIC

    $42,339

    66,245 mi.
    Est. $796/mo

    Motorcars Louisiana

    4.6
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    Baton Rouge, LA (817 mi)
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  • Polar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATIC

    $44,494

    46,044 mi.
    Est. $836/mo

    Mercedes-Benz of Milwaukee North

    4.7
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    Glendale, WI (87 mi)
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  • White 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATICWhite 2021 Mercedes-Benz GLS 450 4MATIC

    $35,295

    $700
    71,504 mi.
    Est. $663/mo

    Texas Car Club

    5.0
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    Houston, TX (947 mi)
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  • Polar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATICPolar White 2021 Mercedes-Benz GLS 450 4MATIC

    $35,375

    83,590 mi.
    Est. $665/mo

    Mercedes-Benz & Chevrolet in San Luis Obispo

    4.1
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    San Luis Obispo, CA (1,831 mi)
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Mercedes-Benz GLS 450 prices by year

Model year Average price Deals
2026 Mercedes-Benz GLS 450 $99,011 85 Great deals
2025 Mercedes-Benz GLS 450 $78,973 98 Great deals
2024 Mercedes-Benz GLS 450 $68,850 83 Great deals
2023 Mercedes-Benz GLS 450 $58,589 71 Great deals
2022 Mercedes-Benz GLS 450 $48,671 88 Great deals
2020 Mercedes-Benz GLS 450 $33,271 36 Great deals
2019 Mercedes-Benz GLS 450 $24,247 35 Great deals
2018 Mercedes-Benz GLS 450 $20,322 31 Great deals
2017 Mercedes-Benz GLS 450 $17,936 45 Great deals

About the 2021 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 2021 Mercedes-Benz GLS 450
FAQs

How much does the 2021 Mercedes-Benz GLS 450 cost?

The 2021 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 2021 GLS 450 is $38,768, with pricing starting at $26,000.

What is the MPG of the 2021 Mercedes-Benz GLS 450?

The 2021 Mercedes-Benz GLS 450 offers up to 20 MPG in city driving and 24 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 2021 Mercedes-Benz GLS 450?

The 2021 Mercedes-Benz GLS 450 compares to and/or competes against the following vehicles:


Is the 2021 Mercedes-Benz GLS 450 reliable?

The 2021 Mercedes-Benz GLS 450 has an average reliability rating of 3.5 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 GLS 450 owners.

Is the 2021 Mercedes-Benz GLS 450 a good SUV?

Below are the Cars.com consumer ratings for the 2021 Mercedes-Benz GLS 450.

(8 reviews)
Rating breakdown (out of 5):
Comfort
5.0
Interior
4.9
Performance
3.8
Value
3.1
Exterior
4.9
Reliability
3.5
Ratings (8 reviews)

62% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
5.0
Interior
4.9
Performance
3.8
Value
3.1
Exterior
4.9
Reliability
3.5
Trims

GLS 450 (1 style)

Style
GLS 450 4MATIC SUV
Inventory price
Starting at $76,000
Combined MPG
21
Engine
362.0-hp, 3.0-liter, Straight 6 Cylinder Engine (Gasoline/Mild Electric Hybrid)
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