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  • Selenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $15,995

    $2K
    128,238 mi.
    Est. $287/mo

    Auto Buying Service

    3.8
    Check Availability
    Fairfax, VA (25 mi)

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  • Brilliant Blue Metallic 2018 Mercedes-Benz GLS 550 GLS 550 4MATIC SUVBrilliant Blue Metallic 2018 Mercedes-Benz GLS 550 GLS 550 4MATIC SUVBrilliant Blue Metallic 2018 Mercedes-Benz GLS 550 GLS 550 4MATIC SUVBrilliant Blue Metallic 2018 Mercedes-Benz GLS 550 GLS 550 4MATIC SUVBrilliant Blue Metallic 2018 Mercedes-Benz GLS 550 GLS 550 4MATIC SUVBrilliant Blue Metallic 2018 Mercedes-Benz GLS 550 GLS 550 4MATIC SUV

    $27,990

    $1K
    68,556 mi.
    Est. $502/mo

    Auto Trademark

    4.7
    Check Availability
    Manassas, VA (21 mi)
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  • GRRAY 2018 Mercedes-Benz GLS 550 Base 4MATICGRRAY 2018 Mercedes-Benz GLS 550 Base 4MATICGRRAY 2018 Mercedes-Benz GLS 550 Base 4MATICGRRAY 2018 Mercedes-Benz GLS 550 Base 4MATICGRRAY 2018 Mercedes-Benz GLS 550 Base 4MATICGRRAY 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $20,486

    118,192 mi.
    Est. $368/mo

    Autogroup Inc

    4.7
    Check Availability
    Manassas, VA (19 mi)
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  • Selenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $22,966

    $2.3K
    95,652 mi.
    Est. $412/mo

    Merlex Auto Group

    3.8
    Check Availability
    Arlington, VA (27 mi)
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  • Black 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $21,786

    111,408 mi.
    Est. $391/mo

    Autogroup Inc

    4.7
    Check Availability
    Manassas, VA (19 mi)
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  • Diamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $26,571

    58,993 mi.
    Est. $477/mo

    Global Auto Outlet

    3.5
    Check Availability
    Temple Hills, MD (29 mi)
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  • Obsidian Black Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICObsidian Black Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICObsidian Black Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICObsidian Black Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICObsidian Black Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICObsidian Black Metallic 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $31,765

    45,460 mi.
    Est. $570/mo

    Global Auto Outlet

    3.5
    Check Availability
    Temple Hills, MD (29 mi)
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  • Black 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $25,966

    $499
    78,312 mi.
    Est. $466/mo

    Global Auto Outlet

    3.5
    Check Availability
    Temple Hills, MD (29 mi)
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  • Selenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $22,571

    90,670 mi.
    Est. $405/mo

    Merlex Auto Group

    3.8
    Check Availability
    Arlington, VA (27 mi)
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  • Diamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATICDiamond White 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $19,966

    $2.4K
    120,617 mi.
    Est. $358/mo

    Merlex Auto Group

    3.8
    Check Availability
    Arlington, VA (27 mi)
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  • Cavansite Blue Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICCavansite Blue Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICCavansite Blue Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICCavansite Blue Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICCavansite Blue Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICCavansite Blue Metallic 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $26,665

    94,272 mi.
    Est. $479/mo

    Global Auto Outlet

    3.5
    Check Availability
    Temple Hills, MD (29 mi)
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  • White 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $21,990

    $1.5K
    90,439 mi.
    Est. $395/mo

    Excel Auto Lounge

    4.5
    Check Availability
    $599 delivery from Hightstown, NJ (190 mi)
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  • Black 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATICBlack 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $24,995

    $2.4K
    62,624 mi.
    Est. $449/mo

    G-Motors of Old Bridge

    4.4
    Check Availability
    Old Bridge, NJ (208 mi)
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  • White 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $29,595

    63,352 mi.
    Est. $531/mo

    Crazy Cars

    3.8
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    Hillside, NJ (221 mi)
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  • Selenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $28,497

    81,445 mi.
    Est. $512/mo

    East Coast Auto Group of Linden

    3.0
    Check Availability
    Linden, NJ (218 mi)
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  • Not Specified 2018 Mercedes-Benz GLS 550 Base 4MATICNot Specified 2018 Mercedes-Benz GLS 550 Base 4MATICNot Specified 2018 Mercedes-Benz GLS 550 Base 4MATICNot Specified 2018 Mercedes-Benz GLS 550 Base 4MATICNot Specified 2018 Mercedes-Benz GLS 550 Base 4MATICNot Specified 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $26,995

    $3K
    78,462 mi.
    Est. $485/mo

    C & K Auto Imports, Inc.

    4.5
    Check Availability
    Hasbrouck Heights, NJ (235 mi)
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  • designo Diamond White Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICdesigno Diamond White Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICdesigno Diamond White Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICdesigno Diamond White Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICdesigno Diamond White Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICdesigno Diamond White Metallic 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $19,000

    $500
    107,050 mi.
    Est. $341/mo

    Driven Imports

    Check Availability
    Cornwells Heights, PA (166 mi)
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  • White 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATICWhite 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $28,950

    $1K
    87,247 mi.
    Est. $520/mo

    Beverly Hills Auto Group

    Check Availability
    Elmont, NY (245 mi)
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  • Selenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATICSelenite Grey Metallic 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $34,999

    30,351 mi.
    Est. $628/mo

    Autopia Motorcars Inc

    4.3
    Check Availability
    Union, NJ (220 mi)
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  • WHITE 2018 Mercedes-Benz GLS 550 Base 4MATICWHITE 2018 Mercedes-Benz GLS 550 Base 4MATICWHITE 2018 Mercedes-Benz GLS 550 Base 4MATICWHITE 2018 Mercedes-Benz GLS 550 Base 4MATICWHITE 2018 Mercedes-Benz GLS 550 Base 4MATICWHITE 2018 Mercedes-Benz GLS 550 Base 4MATIC

    $20,949

    117,820 mi.
    Est. $376/mo

    Auto Market Street

    2.1
    Check Availability
    Patterson, NJ (235 mi)
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  • $21,720

    121,000 mi.
    Est. $390/mo

    VINS MD

    4.0
    Check Availability
    Baltimore, MD (66 mi)
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About the 2018 Mercedes-Benz GLS 550

Basics

4MATIC shown (base trim).

Seating
7
Door count
4
Drivetrain
All-wheel drive
Combined MPG
16
Transmission
9-Speed A/T
Engine
449.0-hp, 4.7-liter, 8 Cylinder Engine (Gasoline Fuel)
Side view of the 2018 Mercedes-Benz GLS 550
FAQs

How much does the 2018 Mercedes-Benz GLS 550 cost?

The 2018 Mercedes-Benz GLS 550 price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2018 GLS 550 is $25,920, with pricing starting at $15,995.

What is the MPG of the 2018 Mercedes-Benz GLS 550?

The 2018 Mercedes-Benz GLS 550 offers up to 14 MPG in city driving and 19 MPG on the highway for a combined rating of 16 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.

Is the 2018 Mercedes-Benz GLS 550 reliable?

The 2018 Mercedes-Benz GLS 550 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 550 owners.

Is the 2018 Mercedes-Benz GLS 550 a good SUV?

Below are the Cars.com consumer ratings for the 2018 Mercedes-Benz GLS 550.

(6 reviews)
Rating breakdown (out of 5):
Comfort
4.7
Interior
5.0
Performance
5.0
Value
4.7
Exterior
4.7
Reliability
4.8
Ratings (6 reviews)

83% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.7
Interior
5.0
Performance
5.0
Value
4.7
Exterior
4.7
Reliability
4.8
Trims

GLS 550 (1 style)

Style
GLS 550 4MATIC SUV
Inventory price
Starting at $94,950
Combined MPG
16
Engine
449.0-hp, 4.7-liter, 8 Cylinder Engine (Gasoline Fuel)
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