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  • Price Drop
    $25,990
    good price
    $1,308 below market
    • 56,430 miles
    • 1 accident, 2 owners, personal use only
    • 7 Seats, 17 City / 22 Hwy MPG
    • Georgia Auto World (146 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Marietta, GA / 146 miles away from Greer, SC

    ***NEW ARRIVAL***EXCELLENT CONDITION***LOW MILES***GOOD TIRES***GOOD BRAKES***POWER LEATHER SEATS***HEATED SEATS***3TH ROW SEAT***NAVIGATION SYSTEM***...

    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:

    19 Combined MPG (17 City/22 Highway)

    Listing Information:

    VIN: 4JGDF6EE7JB032355
    Stock: 032355
    Certified Pre-Owned: No

  • $21,999
    fair price
    $689 above market
    • 96,749 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 17 City / 22 Hwy MPG
    • United Wholesale Motors (148 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Marietta, GA / 148 miles away from Greer, SC

    2018 MERCEDES-BENZ GLS 4D SUV GLS 450 4MATIC Another Great Deal From UWM. ONE OWNER NO ACCIDENTS WITH REULAR Service Records. Drives Strong. Loaded. A...

    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:

    19 Combined MPG (17 City/22 Highway)

    Listing Information:

    VIN: 4JGDF6EE3JB087837
    Stock: 087837
    Certified Pre-Owned: No
    Listed since: 03-09-2024

  • $43,353
    fair price
    $216 below market
    • 45,503 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 19 City / 23 Hwy MPG
    • Acura of Athens (98 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Athens, GA / 98 miles away from Greer, SC

    Recent Arrival! 2020 Mercedes-Benz GLS GLS 450 V6 9-Speed Automatic 4MATIC Selenite Gray Metallic Backup Camera, Bluetooth, Leather Seats, Remote Star...

    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/23 Highway)

    Listing Information:

    VIN: 4JGFF5KE6LA115419
    Stock: 25P083
    Certified Pre-Owned: No
    Listed since: 05-08-2025

  • $23,900
    fair price
    $624 above market
    • 77,908 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 17 City / 22 Hwy MPG
    • Autonomous Auto Group (146 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    Close

    Located in Marietta, GA / 146 miles away from Greer, SC

    We have multiple satellite locations where inventory is stored... please call us to set an appointment so we can ensure you have the correct location ...

    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:

    19 Combined MPG (17 City/22 Highway)

    Listing Information:

    VIN: 4JGDF6EE8JB181468
    Stock: JB181468M
    Certified Pre-Owned: No
    Listed since: 05-01-2025

  • New Listing
    • 91,600 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 17 City / 22 Hwy MPG
    • Motors America (91 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Mooresville, NC / 91 miles away from Greer, SC

    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:

    19 Combined MPG (17 City/22 Highway)

    Listing Information:

    VIN: 4JGDF6EE4JB173108
    Stock: 173108
    Certified Pre-Owned: No

  • New Listing
    $43,216
    fair price
    $137 below market
    • 47,651 miles
    • No accidents, 2 owners, personal use
    • 7 Seats, 19 City / 23 Hwy MPG
    • Bill Black Cadillac (159 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Greensboro, NC / 159 miles away from Greer, SC

    Recent Arrival! CLEAN CARFAX...NO ACCIDENTS, NO ADDED ACCESSORIES OR UNKNOWN CHARGES!!!, 4-Way Driver Lumbar Support, 8-Way Power Front Seats, Adaptiv...

    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/23 Highway)

    Listing Information:

    VIN: 4JGFF5KEXLA111826
    Stock: V2611A
    Certified Pre-Owned: No
    Listed since: 06-20-2025

    • 51,611 miles
    • 1 accident, 2 owners, corporate fleet vehicle
    • 7 Seats, 19 City / 23 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from TX to SC*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Katy, TX / 864 miles away from Greer, SC

    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: No

    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: No

    Features and Specs:

    21 Combined MPG (19 City/23 Highway)

    Listing Information:

    VIN: 4JGFF5KE1LA222409
    Stock: 25987637
    Certified Pre-Owned: No

    • 44,038 miles
    • No accidents, 1 owner, personal use
    • 6 Seats, 18 City / 24 Hwy MPG
    • Mercedes-Benz of Marietta (147 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Marietta, GA / 147 miles away from Greer, SC

    Amg ® Line ExteriorDriver Assistance Package PlusManufaktur Diamond White BrightWheels: 22" Amg ® Multi-SpokePanorama Sliding SunroofIllu...

    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: 4JGFF5KE0NA680851
    Stock: NA680851
    Certified Pre-Owned: Yes
    Listed since: 05-19-2025

  • New Listing
    $23,996
    fair price
    $779 below market
    • 76,827 miles
    • 1 accident, 2 owners, personal use only
    • 7 Seats, 17 City / 22 Hwy MPG
    • Mountain View Ford Lincoln (173 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Chattanooga, TN / 173 miles away from Greer, SC

    Certification Program Details: Type your description here (Must finance with Ford Motor Credit to receive online pricing - see dealer for details.) Pr...

    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:

    19 Combined MPG (17 City/22 Highway)

    Listing Information:

    VIN: 4JGDF6EE1JB133682
    Stock: 64638A
    Certified Pre-Owned: No
    Listed since: 06-24-2025

  • $53,420
    fair price
    $451 above market
    • 46,190 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 18 City / 24 Hwy MPG
    • ALM Roswell (135 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Roswell, GA / 135 miles away from Greer, SC

    NAVIGATION..BLIND SPOT MONITOR..HEATED SEATS..COOLED SEATS..MEMORY SEATS..MASSAGING SEAT..PREMIUM AUDIO..LANE KEEP ASSIST..LANE DEPARTURE WARNING..20"...

    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: 4JGFF5KE7NA652769
    Stock: NA652769
    Certified Pre-Owned: No
    Listed since: 03-18-2025

  • Price Drop
    $35,495
    fair price
    $222 above market
    • 83,211 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 19 City / 23 Hwy MPG
    • Durrance Layne Chevrolet Buick GMC (195 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Claxton, GA / 195 miles away from Greer, SC

    NAVIGATION**, **3RD ROW SEATS**, **BACKUP CAMERA**, **CRUISE CONTROL**, **HEATED SEATS**, **KEYLESS ENTRY**, **SUNROOF**, PREMIUM AUDIO, STEERING WHEE...

    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/23 Highway)

    Listing Information:

    VIN: 4JGFF5KE1LA093393
    Stock: G4174A
    Certified Pre-Owned: No
    Listed since: 05-09-2025

  • New Listing
    $43,998
    fair price
    $538 above market
    • 58,254 miles
    • 1 accident, 2 owners, personal use
    • 7 Seats, 19 City / 23 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from NC to SC*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Raleigh, NC / 218 miles away from Greer, SC

    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: 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 (19 City/23 Highway)

    Listing Information:

    VIN: 4JGFF5KE0LA215967
    Stock: 27009840
    Certified Pre-Owned: No

  • Price Drop
    $49,998
    fair price
    $210 below market
    • 59,391 miles
    • 1 accident, 1 owner, corporate fleet vehicle
    • 7 Seats, 18 City / 24 Hwy MPG
    • CarMax Knoxville (125 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Knoxville, TN / 125 miles away from Greer, SC

    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: No

    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: No

    Features and Specs:

    20 Combined MPG (18 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE1NA609528
    Stock: 27141090
    Certified Pre-Owned: No

  • Price Drop
    Stock photo**
    $59,876
    fair price
    $1,704 above market
    • 33,237 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 18 City / 24 Hwy MPG
    • Audi Charlotte (88 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Matthews, NC / 88 miles away from Greer, SC

    This *2022 Mercedes-Benz GLS GLS 450 * has a BLACK exterior and an interior color. 33237 miles. stock number A20348A. You can connect with us by calli...

    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: 4JGFF5KE3NA601172
    Stock: A20348A
    Certified Pre-Owned: No
    Listed since: 06-20-2025

  • New Listing
    $22,597
    fair price
    $156 above market
    • 90,662 miles
    • 1 accident, 1 owner, personal use only
    • 7 Seats, 17 City / 22 Hwy MPG
    • Hyundai of Cumming (123 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Cumming, GA / 123 miles away from Greer, SC

    Priced below KBB Fair Purchase Price!2018 Mercedes-Benz GLS 450 4MATIC 4MATIC 9-Speed Automatic V6 19 x 8.5J Twin 5-Spoke Wheels, 3.27 Axle Ratio,...

    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:

    19 Combined MPG (17 City/22 Highway)

    Listing Information:

    VIN: 4JGDF6EE4JB033396
    Stock: HC027385A
    Certified Pre-Owned: No
    Listed since: 06-04-2025

  • $40,998
    fair price
    $933 above market
    • 62,841 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 19 City / 23 Hwy MPG
    • Triad INEOS Grenadier (144 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in High Point, NC / 144 miles away from Greer, SC

    This 2020 Mercedes-Benz GLS GLS 450, has a POLAR WHITE exterior and an interior color. 62 miles. This vehicle is offered by Classic Toyota Henderson a...

    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/23 Highway)

    Listing Information:

    VIN: 4JGFF5KE9LA148009
    Stock: T463A
    Certified Pre-Owned: No
    Listed since: 06-18-2025

  • $53,920
    fair price
    $707 below market
    • 47,980 miles
    • 1 accident, 1 owner, rental vehicle
    • 7 Seats, 18 City / 24 Hwy MPG
    • Alm Mall Of Georgia (117 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Buford, GA / 117 miles away from Greer, SC

    $79K ORIGINAL MSRP !!!...WHEELS 20" 8 SPOKE..PANORAMA SLIDING SUNROOF..PREMIUM AUDIO..PARKING SENSORS ASSIST..MEMORY SEATS..BLIND SPOT MONITOR..LANE D...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    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: No

    Features and Specs:

    20 Combined MPG (18 City/24 Highway)

    Listing Information:

    VIN: 4JGFF5KE9NA700434
    Stock: NA700434
    Certified Pre-Owned: No
    Listed since: 05-31-2025

  • Price Drop
    • 17,183 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 19 City / 23 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from AZ to SC*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Tolleson, AZ / 1,712 miles away from Greer, SC

    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 (19 City/23 Highway)

    Listing Information:

    VIN: 4JGFF5KE4LA136947
    Stock: 27317035
    Certified Pre-Owned: No

  • New Listing
    • 39,991 miles
    • 1 accident, 1 owner, personal use
    • 7 Seats, 19 City / 23 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from UT to SC*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in South Jordan, UT / 1,656 miles away from Greer, SC

    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: 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 (19 City/23 Highway)

    Listing Information:

    VIN: 4JGFF5KEXLA222280
    Stock: 25776704
    Certified Pre-Owned: No

    • 31,700 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 18 City / 24 Hwy MPG
    • Harper Volkswagen of Knoxville (123 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Knoxville, TN / 123 miles away from Greer, SC

    Gold 2022 Mercedes-Benz GLS GLS 450 4MATIC® 4MATIC® 9-Speed Automatic I6 2022 Mercedes-Benz GLS GLS 450 in Gold.Recent Arrival!Harper Volkswagen - Eas...

    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: 4JGFF5KE9NA679567
    Stock: 20364P
    Certified Pre-Owned: No
    Listed since: 05-02-2025

  • Price Drop
    • 53,426 miles
    • 2 accidents, 1 owner, personal use only
    • 7 Seats, 16 City / 21 Hwy MPG
    • Amazing Luxury Cars Snellville (129 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Snellville, GA / 129 miles away from Greer, SC

    Vehicle Overview Thank you for your interest in one of Amazing Luxury Cars's online offerings. Please continue for more information regarding this 202...

    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: Yes

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (16 City/21 Highway)

    Listing Information:

    VIN: 4JGFF8GE7LA202000
    Stock: 202000
    Certified Pre-Owned: No
    Listed since: 12-30-2024

Showing 85 - 105 out of 427 listings

Consumer Reviews for the Mercedes-Benz GLS-Class

Read recent reviews for the Mercedes-Benz GLS-Class
Overall Consumer Rating
4.1 out of 5 stars34 Reviews
Write a vehicle reviewSee all 34 reviews
  • 5 star
    (62%)
  • 4 star
    (9%)
  • 3 star
    (18%)
  • 2 star
    (3%)
  • 1 star
    (9%)
5 out of 5 stars

It's the road trip king

S. Shows, 07/05/2016
2017 Mercedes-Benz GLS-Class GLS 550 4MATIC 4dr SUV AWD (4.7L 8cyl Turbo 9A)
Traded in my 2014 GL 450 for the 2017 GLS 550. The GL was the best SUV that I have owned (Range Rover, Navigator, Yukon Denali XL). On the surface the GLS seemed to be very similar, but I have found it to be more comfortable with an even better ride. The seat comfort (in the front) is a step up from the GL. Operating this SUV is a pleasurable experience akin to driving a large … automobile. I don't need the third row seats as often as I did (kids are grown), but the rear space is fantastic. I especially like the lockable under floor storage in the rear. The programmable driving modes are a nice feature as is the steering assistant. I also got the off-road package this time with the extra height adjustment and the low-range feature. This gives you some undercarriage protection and low-end torque that the standard 4 matic does not have. The 550 has quite a bit more power than the 450 did. The 9 speed automatic transmission is very smooth. The technology is great however, the ECO engine cutoff is automatically activated even time you start the vehicle, or when changing the driving mode. If you dislike this feature, you have to remember to manually de-activate it every time you start up. The interior has been upgraded a bit, but still needs to be more like the S-Class. Although the new center screen is bright and easy to read. GL's was a bit small. It is more at home on the highway than my Range Rover was and more comfortable. It's too early to tell about the reliability yet, but my previous GL was outstanding in that department. With the cost at around $100k, the GLS 450 is probably a better value. The 550 represents about $20k worth of extra horsepower, leather seating and bells & whistles. If I still had kids to haul around, I would have gotten another 450.
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FAQ

What is a good price for a used 2019 Mercedes-Benz GLS-Class?

According to Edmunds.com's True Market Value calculations, the retail price of a used 2019 Mercedes-Benz GLS-Class's most popular trim, the GLS 450 4MATIC, in great condition with 48,000 miles on its odometer, is $45,743. Prices vary by trim, region and options included.

What engine powers the GLS 450?

The GLS 450 is powered by a turbocharged V6 engine (362 horsepower, 369 pound-feet).
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