CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
    • Dealerships near me
  • Sell
    • Sell my car
    • Car values
    • Sell my car FAQs
  • Finance
    • Prequalify for financing
    • How does it work?
    • Financing FAQs
  • Research
    • Test drive reviews
    • Price trends
    • Tips & advice
    • Electric cars
    • Compare cars
  • Discover
    The latest way to shop:
    smarter research, better
    listings.
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
    • Financing dashboard
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

Used Mercedes-Benz GLS for Sale near Castle Rock, CO

420 results
Castle Rock, CO
2020 Mercedes-Benz GLS 450 4MATIC AutoNation USA Denver Broadway

2020 Mercedes-Benz GLS

450 4MATIC

85,890 miles

$31,510

Fair Deal
Littleton, CO
18 mi away
Year:
2020
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
362 hp 3L I6
Exterior color:
Designo Cardinal Red Metallic
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
85,890
Stock number:
LA195521
VIN:
4JGFF5KE1LA195521

Sponsored

2017 Mercedes-Benz GLS 450 4MATIC

2017 Mercedes-Benz GLS

450 4MATIC

116,844 miles

$14,999

Good Deal
Centennial, CO
16 mi away
Year:
2017
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
362 hp 3L V6
Exterior color:
Obsidian Black Metallic
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Brown (Ginger Beige/Black)
Transmission:
Automatic
Mileage:
116,844
Stock number:
HA948847
VIN:
4JGDF6EE6HA948847

Sponsored

2019 Mercedes-Benz GLS 450 4MATIC

2019 Mercedes-Benz GLS

450 4MATIC

109,783 miles

$19,599

Fair Deal
Colorado Springs, CO
37 mi away
Year:
2019
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
362 hp 3L V6
Exterior color:
White
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Transmission:
9-Speed Automatic
Mileage:
109,783
Stock number:
P10197
VIN:
4JGDF6EE8KB235188

Sponsored

2021 Mercedes-Benz GLS 450 4MATIC

2021 Mercedes-Benz GLS

450 4MATIC

54,313 miles

$38,757

Good Deal
Littleton, CO
17 mi away
Year:
2021
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
362 hp 3L I6
Exterior color:
Polar White
Combined gas mileage:
22 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
54,313
Stock number:
ETMA509978
VIN:
4JGFF5KE5MA509978

2022 Mercedes-Benz GLS 450 4MATIC

2022 Mercedes-Benz GLS

450 4MATIC

46,206 miles

$50,463

Good Deal
Certified Pre-Owned
Littleton, CO
15 mi away
Year:
2022
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
362 hp 3L I6
Exterior color:
Cirrus Silver Metallic
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
46,206
Stock number:
L4349
VIN:
4JGFF5KE6NA747260

Preparing for a close up...

Photos coming soon

2020 Mercedes-Benz GLS

580 4MATIC

97,547 miles

$34,190

Great Deal
Westminster, CO
37 mi away
Year:
2020
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
4L V8
Exterior color:
White
Combined gas mileage:
18 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
97,547
Stock number:
161244
VIN:
4JGFF8GE4LA161244

Preparing for a close up...

Photos coming soon

2019 Mercedes-Benz GLS

550 4MATIC

87,718 miles

$24,500

Great Deal
Aurora, CO
21 mi away
Year:
2019
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
449 hp 4.7L V8
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Transmission:
9-Speed Automatic
Mileage:
87,718
Stock number:
1334
VIN:
4JGDF7DE7KB222939

Preparing for a close up...

Photos coming soon

2017 Mercedes-Benz GLS

550 4MATIC

100,464 miles

$20,193

Good Deal
Golden, CO
29 mi away
Year:
2017
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
449 hp 4.7L V8
Exterior color:
Gray (Selenite Grey)
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
100,464
Stock number:
HA954081
VIN:
4JGDF7DE5HA954081

Preparing for a close up...

Photos coming soon

2017 Mercedes-Benz GLS

550 4MATIC

99,873 miles

$19,998

Great Deal
Englewood, CO
20 mi away
Year:
2017
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
449 hp 4.7L V8
Exterior color:
Silver
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
99,873
Stock number:
2471
VIN:
4JGDF7DE6HA758201

Preparing for a close up...

Photos coming soon

2018 Mercedes-Benz GLS

550 4MATIC

125,271 miles

$21,580

Fair Deal
Westminster, CO
37 mi away
Year:
2018
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
449 hp 4.7L V8
Exterior color:
Polar White
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Almond
Transmission:
9-Speed Automatic
Mileage:
125,271
Stock number:
000440
VIN:
4JGDF7DE4JB000440

Preparing for a close up...

Photos coming soon

2020 Mercedes-Benz GLS

450 4MATIC

46,414 miles

$37,700

Good Deal
Centennial, CO
17 mi away
Year:
2020
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
362 hp 3L I6
Exterior color:
Black
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Espresso Brown
Transmission:
9-Speed Automatic
Mileage:
46,414
Stock number:
25B2707A
VIN:
4JGFF5KE4LA223828

Preparing for a close up...

Photos coming soon

2017 Mercedes-Benz GLS

AMG GLS 63 4MATIC

102,786 miles

$26,962

Good Deal
Certified Pre-Owned
Colorado Springs, CO
38 mi away
Year:
2017
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
577 hp 5.5L V8
Exterior color:
Iridium Silver Metallic
Combined gas mileage:
15 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
7-Speed Automatic
Mileage:
102,786
Stock number:
B225458K
VIN:
4JGDF7FE0HA862213

Preparing for a close up...

Photos coming soon

2017 Mercedes-Benz GLS

450 4MATIC

91,774 miles

$18,744

Fair Deal
Denver, CO
24 mi away
Year:
2017
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
362 hp 3L V6
Exterior color:
Silver
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
91,774
Stock number:
807164
VIN:
4JGDF6EE8HA807164

Preparing for a close up...

Photos coming soon

2017 Mercedes-Benz GLS

450 4MATIC

116,844 miles

$14,999

Good Deal
Centennial, CO
16 mi away
Year:
2017
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
362 hp 3L V6
Exterior color:
Obsidian Black Metallic
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Brown (Ginger Beige/Black)
Transmission:
Automatic
Mileage:
116,844
Stock number:
HA948847
VIN:
4JGDF6EE6HA948847

Preparing for a close up...

Photos coming soon

2021 Mercedes-Benz GLS

AMG GLS 63 4MATIC AWD

58,498 miles

$59,999

Great Deal
Golden, CO
29 mi away
Year:
2021
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
603 hp 4L V8
Exterior color:
Polar White
Combined gas mileage:
16 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
58,498
Stock number:
MA396330
VIN:
4JGFF8KE9MA396330

Preparing for a close up...

Photos coming soon

2020 Mercedes-Benz GLS

450 4MATIC

46,563 miles

$35,000

Great Deal
Boulder, CO
49 mi away
Year:
2020
Make:
Mercedes-Benz
Model:
GLS
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
362 hp 3L I6
Exterior color:
Selenite Gray Metallic
Combined gas mileage:
21 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
46,563
Stock number:
4262605
VIN:
4JGFF5KE3LA262605

Sponsored

  1. Home
  2. / Used Cars
  3. / Mercedes-Benz GLS
  4. / Colorado
  5. / Castle Rock
Overview
Reviews
FAQs

CarGurus recommends the 2024 Mercedes-Benz GLS

Picture of Mercedes-Benz GLS ## Summary - With 1,308 currently listed for sale and an **average price of $78,358.00**, 32.3% of 2024 Mercedes-Benz GLSs for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2024 Mercedes-Benz GLS 5 / 5 stars. - **94.5% of 2024 GLS models on CarGurus are accident free**. - The 2024 Mercedes-Benz GLS offers a choice of models and has received minor styling updates, more standard equipment, and enhanced off-roading technology for an improved driving experience. ## Why it stands out The 2024 Mercedes-Benz GLS positions itself as a premium luxury SUV, offering a blend of comfort, performance, and cutting-edge technology. It features multiple model variants, including the GLS 450, GLS 580, AMG GLS 63, and Maybach GLS, catering to diverse preferences and needs. This year, it benefits from an updated MBUX infotainment system, reinforcing its tech-savvy stature. Additionally, the GLS is known for its spacious and luxurious interior, characterized by high-quality materials and advanced safety features, making it an appealing choice for buyers looking for a refined driving experience. ## Other model years to consider - **[2021 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2021-Mercedes-Benz-GLS-c29893)** - Average price: $51,605.00 - Good/great deal percentage: 35.3% - User rating: 4.93 / 5 - Total listings: 884 - **[2022 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2022-Mercedes-Benz-GLS-c31986)** - Average price: $50,552.00 - Good/great deal percentage: 35.2% - User rating: 5 / 5 - Total listings: 1,032 - **[2020 Mercedes-Benz GLS](https://www.cargurus.com/Cars/l-Used-2020-Mercedes-Benz-GLS-c29210)** - Average price: $36,087.00 - Good/great deal percentage: 33.7% - User rating: 4.83 / 5 - Total listings: 754 These recommendations are based on CarGurus' proprietary market data from March 30, 2026, CarGurus experts' opinions, and generative AI.

4.7 Overall rating

(112 reviews)

Customers say

Overall, the Mercedes-Benz GLS has received strong praise from owners for its luxurious comfort, smooth ride, and impressive performance across all model years. Many drivers love the powerful engine and high-quality craftsmanship that result in a premium driving experience. However, some common concerns include the relatively poor gas mileage, higher price point, and a wish for more advanced technology features. Several reviewers also noted that the interior space could be better optimized to compete with other luxury SUVs.

AI generated from the text of customer reviews.

What people say

cargo space comfort performance power spacious
Donna C
5.0
Reviewed a 2017 Mercedes-Benz GLS on Jul 03, 2024

I love everything about my 2017 Mercedes Benz GLS AMG 63. The kids cant get enough driving around in it. Its so spacious the camera is a 360 view love this extremely has everything and more you need in a luxurious vehicle.

Bonnie C
5.0
Reviewed a 2020 Mercedes-Benz GLS on Sep 21, 2024

Love all the features and it can pull my camper no problem! Beautiful car with kinetic seats that are nice when on a long drive. Love how my phone integrates into the dash screen. It’s classy for business but heavy enough to be outdoorsy as welll. Great value and you can’t go wrong with a Mercedes.

Anonymous
5.0
Reviewed a 2020 Mercedes-Benz GLS on Sep 01, 2024

I just purchased a 2020 GLS 450 with 18,000 miles on the clock and I LOVE it. Nothing beats Mercedes when it comes to quality of vehicle and service from the Mercedes team. I was able to get an extended 5 year/ 100,000 mile warranty, which to me was worth the extra money. My last Mercedes was a 2003 E 500. It was such a good car that I waited this long to replace it. That’s what you get when you buy a Mercedes.

Wilber R
5.0
Reviewed a 2021 Mercedes-Benz GLS on Sep 04, 2024

Excellent car, very good finish full of attributes, spacious.

Ahmet S
4.0
Reviewed a 2017 Mercedes-Benz GLS on Apr 03, 2024

It does not have car play. Navigation needs to be updated and also hard to use it.

Mercedes-Benz GLS FAQs

How much does the Mercedes-Benz GLS cost in Castle Rock, CO?

The average Mercedes-Benz GLS costs about $54,091.99. The average price has increased by 0.7% since last year. The 420 for sale near Castle Rock, CO on CarGurus, range from $12,395 to $196,710 in price.

Is the Mercedes-Benz GLS a good car?

CarGurus experts gave the 2026 Mercedes-Benz GLS an overall rating of 7.8/10 and Mercedes-Benz GLS owners have rated the vehicle a 4.6/5 stars on average. If a vehicle has both strong expert and owner reviews, you can feel confident in its quality. If either expert reviews, owner reviews, or both are spotty, you might want to do some research to figure out where the car falls short.

How many Mercedes-Benz GLS vehicles in Castle Rock, CO have no reported accidents or damage?

377 out of 420 for sale near Castle Rock, CO have no reported accidents or damage.

Is the Mercedes-Benz GLS safe?

CarGurus experts gave the 2026 Mercedes-Benz GLS a safety rating of 7/10.

What fuel types are available?

Gasoline engines are available.

  • 2026 Mercedes-Benz GLS in Castle Rock CO

  • 2025 Mercedes-Benz GLS in Castle Rock CO

  • 2024 Mercedes-Benz GLS

  • 2023 Mercedes-Benz GLS

  • 2022 Mercedes-Benz GLS

  • 2021 Mercedes-Benz GLS

  • Used Mercedes-Benz GLS for Sale Under $10,000 Near Castle Rock

  • Used Mercedes-Benz GLS for Sale Under $15,000 Near Castle Rock

  • Used Mercedes-Benz GLS for Sale Under $20,000 Near Castle Rock

  • Used Mercedes-Benz GLS for Sale Under $25,000 Near Castle Rock

  • Used Mercedes-Benz GLS for Sale Under $30,000 Near Castle Rock

  • Used Mercedes-Benz GLS for Sale Under $40,000 Near Castle Rock

  • Used White Mercedes-Benz GLS for Sale in Castle Rock

  • Used Blue Mercedes-Benz GLS for Sale in Castle Rock

  • Used Red Mercedes-Benz GLS for Sale in Castle Rock

  • Used Black Mercedes-Benz GLS for Sale in Castle Rock

  • Used Silver Mercedes-Benz GLS for Sale in Castle Rock

  • Used Gray Mercedes-Benz GLS for Sale in Castle Rock

  • Mercedes-Benz GLS 450 4MATIC

  • Mercedes-Benz GLS 580 4MATIC

  • Mercedes-Benz GLS 550 4MATIC

  • Mercedes-Benz GLS AMG GLS 63 4MATIC

  • Mercedes-Benz GLS 600 Mercedes-Maybach 4MATIC

  • Mercedes-Benz GLS AMG GLS 63 4MATIC AWD

  • Used Mercedes-Benz Electric Cars for Sale

  • Affordable Luxury Cars For Sale in Castle Rock CO

  • Used Luxury Cars for Sale in Castle Rock CO

  • Used Mercedes-Benz GLS for Sale with Low Mileage in Castle Rock

  • Used SUVs / Crossovers for Sale with Low Mileage in Castle Rock

  • New Mercedes-Benz GLS in Castle Rock CO

  • Certified Used Mercedes-Benz GLS in Castle Rock CO

  • Mercedes-Benz GLS in Denver CO

  • Mercedes-Benz GLS in Colorado Springs CO

  • Mercedes-Benz GLS in Longmont CO

  • Mercedes-Benz GLS in Pueblo CO

  • Mercedes-Benz GLS in Fort Collins CO

  • Mercedes-Benz GLS in Cheyenne WY

  • Mercedes-Benz GLS in Gunnison CO

  • Mercedes-Benz GLS in Laramie WY

  • Mercedes-Benz GLS in Montrose CO

  • All Used Cars

  • Manual Transmission Cars

  • Luxury Cars

  • Cars with Red Interior

  • Cheap Manual Cars

  • Hybrid Cars

  • Sports Cars

  • Electric SUVs

  • Cheap Trucks

  • Small Cars

  • Third Row SUVs

  • Three Quarter Ton Trucks

  • Lifted Trucks

  • Manual Transmission Trucks

  • Diesel Trucks

  • Hybrid SUVs

  • Dually Trucks

  • One Ton Trucks

  • Cheap SUVs

  • Lifted Ford Trucks

  • 4x4 Trucks

  • Work Trucks

  • AWD SUVs

  • Ford Trucks

  • Chevrolet Trucks

  • Toyota Trucks

  • Trucks Under $10,000

  • Cars Under $15,000

  • Sports Cars Under $20,000

  • Trucks Under $20,000

  • Used Sedans for Sale with Low Mileage in Castle Rock

  • Used SUVs / Crossovers for Sale with Low Mileage in Castle Rock

  • Used Hatchbacks for Sale with Low Mileage in Castle Rock

  • Used Convertibles for Sale with Low Mileage in Castle Rock

  • Used Vans for Sale with Low Mileage in Castle Rock

  • Used Minivans for Sale with Low Mileage in Castle Rock

  • Used Pickup Trucks for Sale with Low Mileage in Castle Rock

  • Used Coupes for Sale with Low Mileage in Castle Rock

  • Used Wagons for Sale with Low Mileage in Castle Rock

  • Mercedes-Benz of Littleton

  • Mercedes-Benz of Westminster

  • Mercedes-Benz of Colorado Springs

  • Mercedes-Benz of Denver

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Careers
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
Click for the BBB Business Review of this Auto Listing Service in Cambridge MA
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2026 CarGurus, Inc., All Rights Reserved.