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

    $39,688

    39,346 mi.
    Est. $721/mo

    Quality Auto Center of Springfield

    4.8
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    Springfield Township, NJ (23 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

    $33,699

    $200
    63,910 mi.
    Est. $613/mo

    Kia of Riverdale

    4.3
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    Riverdale, NJ (13 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

    $43,995

    35,675 mi.
    Est. $800/mo

    Rallye Lexus

    4.8
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    Glen Cove, NY (25 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

    $33,988

    $900
    80,393 mi.
    Est. $618/mo

    Land Rover Parsippany

    4.4
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    Parsippany, NJ (16 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

    $34,304

    84,514 mi.
    Est. $624/mo

    Ideal Automotive Sales of New Jersey

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    Kearny, NJ (14 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

    $37,995

    59,337 mi.
    Est. $691/mo

    Crazy Cars

    3.8
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    Hillside, NJ (20 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

    $32,794

    $2K
    81,814 mi.
    Est. $596/mo

    Car Revolution of Avenel

    3.2
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    Avenel, NJ (29 mi)
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  • Black 2021 Mercedes-Benz GLS 450Black 2021 Mercedes-Benz GLS 450Black 2021 Mercedes-Benz GLS 450Black 2021 Mercedes-Benz GLS 450Black 2021 Mercedes-Benz GLS 450Black 2021 Mercedes-Benz GLS 450

    $40,998

    47,149 mi.
    Est. $745/mo

    CarMax Columbus Easton

    3.9
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    $749 delivery to Wayne, NJ (11 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. $840/mo

    Mercedes-Benz of Buckhead

    4.5
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    $1,122 delivery from Atlanta, GA (749 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

    $40,995

    43,886 mi.
    Est. $745/mo

    Premier Auto Group

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    Turnersville, NJ (98 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. $672/mo

    Terryville Chevrolet

    4.4
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    Terryville, CT (75 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

    $44,586

    27,914 mi.
    Est. $811/mo

    North Bay Imports

    4.5
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    East Windsor, CT (101 mi)
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Mercedes-Benz GLS 450 prices by year

Model year Average price Deals
2026 Mercedes-Benz GLS 450 $98,709 9 Great deals
2024 Mercedes-Benz GLS 450 $67,410 7 Great deals
2023 Mercedes-Benz GLS 450 $60,400 11 Great deals
2022 Mercedes-Benz GLS 450 $46,851 7 Great deals
2020 Mercedes-Benz GLS 450 $34,658 2 Good deals
2017 Mercedes-Benz GLS 450 $15,934 6 Good 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 $38,913, 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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