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386 listings
    • 58,823 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 20 City / 24 Hwy MPG
    • Mercedes-Benz of Harlingen (28 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Harlingen, TX / 28 miles away from McAllen, TX

    Iridium Silver Metallic 2021 Mercedes-Benz GLS GLS 450 4MATIC 4MATIC 9-Speed Automatic V6 20" ALLOYS, **ADAPTIVE CRUISE**, AM/FM/HD RADIO, ANDROID AUT...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE8MA430305
    Stock: MX1536
    Certified Pre-Owned: No
    Listed since: 05-23-2025

    • 33,109 miles
    • No accidents, 3 owners, personal use
    • 7 Seats, 16 City / 22 Hwy MPG
    • Hi-Line Motors (479 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Plano, TX / 479 miles away from McAllen, TX

    Now available is a truly exceptional 2019 Mercedes-Benz GLS 450 4MATIC SUV, boasting under 34,000 original miles and a spotless CARFAX history with no...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 4JGDF6EE8KB219976
    Stock: 219976
    Certified Pre-Owned: No
    Listed since: 05-21-2025

  • New Listing
    • 30,150 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from VA to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Fredericksburg, VA / 1,464 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE6MA329988
    Stock: 26958072
    Certified Pre-Owned: No

    • 31,157 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from NJ to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Green Brook Township, NJ / 1,682 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE9MA471770
    Stock: 26389611
    Certified Pre-Owned: No

  • New Listing
    • 33,209 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from NC to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Charlotte, NC / 1,207 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE7MA570071
    Stock: 26518430
    Certified Pre-Owned: No

    • 40,818 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 18 City / 24 Hwy MPG
    • AutoNation Honda Lewisville (477 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Lewisville, TX / 477 miles away from McAllen, TX

    Panoramic RoofNavigation System3rd Row SeatKeyless StartRear SpoilerCooled Front Seat(S)This vehicle includes a Money-Back Guarantee* and pass...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    20 Combined MPG (18 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE3PA952960
    Stock: PA952960
    Certified Pre-Owned: No
    Listed since: 02-21-2025

  • Price Drop
    • 36,145 miles
    • No accidents, 2 owners, personal use
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from FL to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Fort Myers, FL / 1,014 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE3MA433726
    Stock: 27495895
    Certified Pre-Owned: No

  • Price Drop
    • 36,532 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from CA to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Inglewood, CA / 1,315 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE8MA492612
    Stock: 27372480
    Certified Pre-Owned: No

  • Price Drop
    • 38,403 miles
    • No accidents, 2 owners, personal use
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from TN to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Bristol, TN / 1,182 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE7MA432420
    Stock: 27343483
    Certified Pre-Owned: No

    • 45,958 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from NE to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Omaha, NE / 1,047 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE4MA538405
    Stock: 27247426
    Certified Pre-Owned: No

  • New Listing
    • 46,801 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 16 City / 21 Hwy MPG
    • Driveway (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Van Nuys, CA / 1,323 miles away from McAllen, TX

    Rare Find,3rd Row Seat,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Hands-Free Liftgate,Heated Seats,Keyless Start,Leather S...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/21 Highway)

    Listing Information:

    VIN: 4JGFF8GE7MA396285
    Stock: MA396285P
    Certified Pre-Owned: No

    • 49,866 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 20 City / 24 Hwy MPG
    • One Legacy Motors (475 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Carrollton, TX / 475 miles away from McAllen, TX

    Iridium Silver Metallic 2021 Mercedes-Benz GLS GLS 450 4MATIC 4MATIC 9-Speed Automatic V6WELCOME TO ONE LEGACY MOTORS OUR LEGACY STARTS WITH YOU At On...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE0MA429889
    Stock: 429889L
    Certified Pre-Owned: No
    Listed since: 04-11-2025

  • New Listing
    • 51,530 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from CA to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Bakersfield, CA / 1,382 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: Yes

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE4MA531230
    Stock: 27288764
    Certified Pre-Owned: No

    • 57,727 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from AZ to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Scottsdale, AZ / 965 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE9MA529392
    Stock: 26855025
    Certified Pre-Owned: No

    • 57,996 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from VA to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Richmond, VA / 1,441 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE6MA407508
    Stock: 27408070
    Certified Pre-Owned: No

    • 57,409 miles
    • No accidents, 2 owners, personal use
    • 7 Seats, 20 City / 24 Hwy MPG
    • Palomino Motors (464 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Dallas, TX / 464 miles away from McAllen, TX

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE4MA404705
    Stock: 22518
    Certified Pre-Owned: No
    Listed since: 05-01-2025

  • New Listing
    • 58,313 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 20 City / 24 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from KY to TX*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Lexington, KY / 1,144 miles away from McAllen, TX

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE4MA438854
    Stock: 26978849
    Certified Pre-Owned: No

  • Stock photo**
    $45,900
    fair price
    $577 above market
    • 53,509 miles
    • 1 accident, 2 owners, personal use
    • 7 Seats, 20 City / 24 Hwy MPG
    • Southern Chevrolet (494 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Alexandria, LA / 494 miles away from McAllen, TX

    Black 2021 Mercedes-Benz GLS GLS 450 4MATIC 4MATIC 9-Speed Automatic V6Go Southern and Save! Recent Arrival! Odometer is 1422 miles below market ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE0MA317349
    Stock: 25249A
    Certified Pre-Owned: No
    Listed since: 05-24-2025

  • New Listing
    Stock photo**
    • 72,519 miles
    • No accidents, 2 owners, personal use
    • 7 Seats, 16 City / 22 Hwy MPG
    • Mercedes-Benz of San Antonio (230 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in San Antonio, TX / 230 miles away from McAllen, TX

    2019 Mercedes-Benz GLS GLS 450 4MATIC® White19" 5-Spoke Wheels, 3.27 Axle Ratio, 3rd row seats: split-bench, 4-Way Driver Lumbar Support, 4-Wheel Disc...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/22 Highway)

    Listing Information:

    VIN: 4JGDF6EEXKB224449
    Stock: 444298A
    Certified Pre-Owned: No
    Listed since: 06-06-2025

    • 16,057 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 19 City / 24 Hwy MPG
    • Planet Lincoln Dallas Love Field (467 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Dallas, TX / 467 miles away from McAllen, TX

    Odometer is 629 miles below market average! CARFAX One-Owner. Clean CARFAX.Visit us at https://www.planetlincolndallaslovefield.com/ Vehicle pricin...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (19 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE5RB144994
    Stock: S0023A
    Certified Pre-Owned: No
    Listed since: 05-21-2025

  • Stock photo**
    • 32,589 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 20 City / 24 Hwy MPG
    • Star Motor Cars (300 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Houston, TX / 300 miles away from McAllen, TX

    Recent Arrival! 6-Seat Configuration, Active Blind Spot Assist, Active Brake Assist w/Cross-Traffic Function, Active Distance Assist DISTRONIC, Active...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    21 Combined MPG (20 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE2MA323539
    Stock: 57114
    Certified Pre-Owned: Yes
    Listed since: 05-22-2025

Showing 85 - 105 out of 386 listings

Consumer Reviews for the Mercedes-Benz GLS-Class

Read recent reviews for the Mercedes-Benz GLS-Class
Overall Consumer Rating
3.8 out of 5 stars32 Reviews
Write a vehicle reviewSee all 32 reviews
  • 5 star
    (53%)
  • 4 star
    (9%)
  • 3 star
    (9%)
  • 2 star
    (16%)
  • 1 star
    (13%)
2 out of 5 stars

Beautiful combined with no QC

John Gamble, 12/22/2020
2020 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A)
The ride is absolutely stunning and the interior is downright beautiful. We love the tech and features... kids can’t get enough of the ambient lighting options. But there’s a catch. The build quality just plain sucks. We’re had the car for 2ish months, and it’s already spent 9 days in the shop. First, the high fan made a crazy loud noise. Then the rain sensing wipers didn’t sense rain. … Now we have a window that sounds like it is going to fail when we roll it down. Also there appears to be a subtle fit issue on the rear bumper. These cars are built in the US, and I get the sense that they have no idea how to put them together. There is so much tech, and so many points of failure. I feel like we are going to have a very close relationship with the dealer over the life of this car. At least it’s pretty and drives well. Update on 1/4/2020 - Two more issues after getting the car back last week... a check engine light and a warning that the collision avoidance system is disabled because the sensor is dirty (the sensor does not appear to be dirty). A word to the wise... think long and hard before buying this car.
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Used 2021 Mercedes-Benz GLS-Class in McAllen, TX Values

Estimated values
2021 Mercedes-Benz GLS-Class GLS 450 4MATIC 4dr SUV AWD (3.0L 6cyl Turbo gas/electric mild hybrid 9A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$40,480$43,484$46,491
Clean$39,847$42,793$45,741
Average$38,794$41,642$44,491
Rough$37,424$40,147$42,865

The average list price of a used 2021 Mercedes-Benz GLS-Class in McAllen, Texas is $50,688. The average mileage on a used Mercedes-Benz GLS-Class 2021 for sale in McAllen, Texas is 44,696. Based on the average mileage of 44,696 for used 2021 Mercedes-Benz GLS-Class for sale in McAllen, TX and using an average vehicle condition rating, which means the vehicle may have a few mechanical and/or cosmetic problems and may require a considerable amount of reconditioning, we appraise the average trade-in value of a used Mercedes-Benz GLS-Class 2021 in McAllen, Texas to be $38,794.

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