(opens in new window)

Sign In

Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
- Helpful Links
- Find Local Dealers
- Best Car Deals
- Best Truck Deals
- Best SUV Deals
- Buy Cars Online
- Car Research & News
- Research & Information
- New & Future Models
- Trim Comparisons
- Car Buying Tools
- Buying & Selling Tips
- Car Payment Calculator
- Affordability Calculator
- Car Lease Calculator
See if you can save on car insurance on KBB.com
Get a Kelley Blue Book® Instant Cash Offer
Run a free AutoCheck Vehicle History Report with Experian
AI ModeBeta

Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
AI ModeBeta

Skip to vehicle Listings

Online car buying built around you. Shop Now

Used Cars for SaleMercedes-BenzGLS 4502026

Used 2026 Mercedes-Benz GLS 450 for Sale in Boulder, CO

80302

Filters (4)

Items 1 to 2 of 9.

Location & Delivery

Year

Price & Payments

Price selected

Min Price

Max Price

Price Rating

Good Price (0)

Great Price (3)

Price selected

Min Price

Max Price

Price Rating

Good Price (0)

Great Price (3)

Make, Model & Trim

Mercedes-Benz

Series

Any

A-Class

B-Class

C-Class (7)

CL-Class

CLA-Class (12)

CLE-Class (3)

CLK-Class

CLS-Class

E-Class

EQB-Class

EQE-Class

EQS-Class

G-Class

GL-Class

GLA-Class (12)

GLB-Class (27)

GLC-Class (42)

GLE-Class (27)

GLK-Class

GLS-Class (3)

M-Class

R-Class

S-Class

SL-Class

SLC-Class

SLK-Class

Sprinter-Class

Models

GLS 450

190 D

190 E

240 D

260 E

280 CE

280 E

300 CD

300 CE

300 D

300 E

300 SD

300 SDL

300 SE

300 SEL

300 SL

300 TD

300 TE

350 SD

350 SDL

380 SE

380 SEC

380 SEL

380 SL

380 SLC

400 E

400 SE

400 SEL

420 SEL

500 E

500 SEC

500 SEL

500 SL

560 SEC

560 SEL

560 SL

600 SEC

600 SEL

600 SL

A 220

A 35 AMG

AMG GT

B 250e

B-Class Electric Drive

C 220

C 230

C 240

C 250

C 280

C 300 (7)

C 32 AMG

C 320

C 350

C 350e

C 36 AMG

C 400

C 43 AMG

C 450

C 55 AMG

C 63 AMG

CL 500

CL 55 AMG

CL 550

CL 600

CL 63 AMG

CL 65 AMG

CLA 250 (12)

CLA 250+

CLA 35 AMG

CLA 350

CLA 45 AMG

CLE 300 (2)

CLE 450

CLE 53 AMG (1)

CLK 320

CLK 350

CLK 430

CLK 500

CLK 55 AMG

CLK 550

CLK 63 AMG

CLS 400

CLS 450

CLS 500

CLS 53 AMG

CLS 55 AMG

CLS 550

CLS 63 AMG

E 250

E 300

E 320

E 350

E 400

E 420

E 43 AMG

E 430

E 450

E 500

E 53 AMG

E 55 AMG

E 550

E 63 AMG

EQB 250+

EQB 300

EQB 350

EQE 320

EQE 320+

EQE 350+

EQE 500

EQE AMG

EQS 400

EQS 450

EQS 450+

EQS 550

EQS 580

EQS AMG

eSprinter

G 500

G 55 AMG

G 550

G 580

G 63 AMG

G 65 AMG

GL 320

GL 350

GL 450

GL 550

GL 63 AMG

GLA 250 (12)

GLA 35 AMG

GLA 45 AMG

GLB 250 (27)

GLB 35 AMG

GLC 300 (39)

GLC 350e (3)

GLC 43 AMG

GLC 63 AMG

GLE 300d

GLE 350 (26)

GLE 400

GLE 43 AMG

GLE 450

GLE 450e

GLE 53 AMG (1)

GLE 550e

GLE 580

GLE 63 AMG

GLK 250

GLK 350

GLS 350d

GLS 450 (3)

GLS 550

GLS 580

GLS 63 AMG

Maybach EQS 680

Maybach GLS 600

Maybach S 550

Maybach S 560

Maybach S 580

Maybach S 600

Maybach S 650

Maybach S 680

Maybach SL 680

Metris

ML 250

ML 320

ML 350

ML 400

ML 430

ML 450

ML 500

ML 55 AMG

ML 550

ML 63 AMG

Other Mercedes-Benz Models

R 320

R 350

R 500

R 63 AMG

S 320

S 350

S 400

S 420

S 430

S 450

S 500

S 55 AMG

S 550

S 550e

S 560

S 560e

S 580

S 580e

S 600

S 63 AMG

S 65 AMG

SL 320

SL 400

SL 43 AMG

SL 450

SL 500

SL 55 AMG

SL 550

SL 600

SL 63 AMG

SL 65 AMG

SLC 300

SLC 43 AMG

SLK 230

SLK 250

SLK 280

SLK 300

SLK 32 AMG

SLK 320

SLK 350

SLK 55 AMG

SLR

SLS AMG

Sprinter

Mercedes-Benz

Series

Any

A-Class

B-Class

C-Class (7)

CL-Class

CLA-Class (12)

CLE-Class (3)

CLK-Class

CLS-Class

E-Class

EQB-Class

EQE-Class

EQS-Class

G-Class

GL-Class

GLA-Class (12)

GLB-Class (27)

GLC-Class (42)

GLE-Class (27)

GLK-Class

GLS-Class (3)

M-Class

R-Class

S-Class

SL-Class

SLC-Class

SLK-Class

Sprinter-Class

Models

GLS 450

190 D

190 E

240 D

260 E

280 CE

280 E

300 CD

300 CE

300 D

300 E

300 SD

300 SDL

300 SE

300 SEL

300 SL

300 TD

300 TE

350 SD

350 SDL

380 SE

380 SEC

380 SEL

380 SL

380 SLC

400 E

400 SE

400 SEL

420 SEL

500 E

500 SEC

500 SEL

500 SL

560 SEC

560 SEL

560 SL

600 SEC

600 SEL

600 SL

A 220

A 35 AMG

AMG GT

B 250e

B-Class Electric Drive

C 220

C 230

C 240

C 250

C 280

C 300 (7)

C 32 AMG

C 320

C 350

C 350e

C 36 AMG

C 400

C 43 AMG

C 450

C 55 AMG

C 63 AMG

CL 500

CL 55 AMG

CL 550

CL 600

CL 63 AMG

CL 65 AMG

CLA 250 (12)

CLA 250+

CLA 35 AMG

CLA 350

CLA 45 AMG

CLE 300 (2)

CLE 450

CLE 53 AMG (1)

CLK 320

CLK 350

CLK 430

CLK 500

CLK 55 AMG

CLK 550

CLK 63 AMG

CLS 400

CLS 450

CLS 500

CLS 53 AMG

CLS 55 AMG

CLS 550

CLS 63 AMG

E 250

E 300

E 320

E 350

E 400

E 420

E 43 AMG

E 430

E 450

E 500

E 53 AMG

E 55 AMG

E 550

E 63 AMG

EQB 250+

EQB 300

EQB 350

EQE 320

EQE 320+

EQE 350+

EQE 500

EQE AMG

EQS 400

EQS 450

EQS 450+

EQS 550

EQS 580

EQS AMG

eSprinter

G 500

G 55 AMG

G 550

G 580

G 63 AMG

G 65 AMG

GL 320

GL 350

GL 450

GL 550

GL 63 AMG

GLA 250 (12)

GLA 35 AMG

GLA 45 AMG

GLB 250 (27)

GLB 35 AMG

GLC 300 (39)

GLC 350e (3)

GLC 43 AMG

GLC 63 AMG

GLE 300d

GLE 350 (26)

GLE 400

GLE 43 AMG

GLE 450

GLE 450e

GLE 53 AMG (1)

GLE 550e

GLE 580

GLE 63 AMG

GLK 250

GLK 350

GLS 350d

GLS 450 (3)

GLS 550

GLS 580

GLS 63 AMG

Maybach EQS 680

Maybach GLS 600

Maybach S 550

Maybach S 560

Maybach S 580

Maybach S 600

Maybach S 650

Maybach S 680

Maybach SL 680

Metris

ML 250

ML 320

ML 350

ML 400

ML 430

ML 450

ML 500

ML 55 AMG

ML 550

ML 63 AMG

Other Mercedes-Benz Models

R 320

R 350

R 500

R 63 AMG

S 320

S 350

S 400

S 420

S 430

S 450

S 500

S 55 AMG

S 550

S 550e

S 560

S 560e

S 580

S 580e

S 600

S 63 AMG

S 65 AMG

SL 320

SL 400

SL 43 AMG

SL 450

SL 500

SL 55 AMG

SL 550

SL 600

SL 63 AMG

SL 65 AMG

SLC 300

SLC 43 AMG

SLK 230

SLK 250

SLK 280

SLK 300

SLK 32 AMG

SLK 320

SLK 350

SLK 55 AMG

SLR

SLS AMG

Sprinter

Mileage

Condition (1 selected)

New (30)

Used (3)

Manufacturer Certified (2)

Third-Party Certified (0)

Certified Program

Learn more

New (30)

Used (3)

Manufacturer Certified (2)

Third-Party Certified (0)

Certified Program

Learn more

Color

Drive Type

Body Style

Vehicle History

Features

Fuel Type

Fuel Economy

Transmission

Cylinders

Engine Displacement

Number of Seats

Number of Doors

Purchase Options

Seller Type

Sponsored by Mercedes-Benz of Littleton

Hide

Certified 2026 Mercedes-Benz GLS 450 4MATIC

Certified 2026 Mercedes-Benz GLS 450 4MATIC

88,189

See estimated payment

Great Price

Similar Match

Mercedes-Benz of Littleton

View Vehicles

3 Matches

Sort By:

Certified 2026 Mercedes-Benz GLS 450 4MATIC

Mercedes-Benz Certified

2026 Mercedes-Benz GLS 450

4MATIC
5K mi

88,189

See payment

Great Price

Mercedes-Benz of Littleton

34.95 mi. away

Used 2026 Mercedes-Benz GLS 450 4MATIC

Used

2026 Mercedes-Benz GLS 450

4MATIC
2K mi

85,999

See payment

Great Price

Dealer

28.85 mi. away

Mercedes-Benz Certified

2026 Mercedes-Benz GLS 450

4MATIC
6K mi

80,900

See payment

Great Price

Dealer

32.61 mi. away

Advertisement

Shop for a Car

Used Cars for Sale
Certified Cars for Sale
New Cars for Sale
For Sale By Owner
Car Deals

Sell Your Car

List Your Car for Sale
How to Sell a Car
Trade-In Values and Car Pricing from Kelley Blue Book®

About Us

About Autotrader
About Cox Automotive
Jobs at Autotrader
Become an Autotrader Dealer
Press Room
Site Map
Fraud Awareness
Contact Us

Autotrader Affiliates

Classic Cars & Trucks for Sale
Motorcycles for Sale
RVs for Sale
Cars for Bad Credit Buyers
Find Cars for Sale in Australia

Privacy Notice & Options

Privacy Notice
Do Not Sell or Share My Personal Information
Limit the Use of My Sensitive Personal Information
Manage Cookies

Download on the Apple App Store

Get it on Google Play

Follow

By using this service, you accept the terms of our Visitor Agreement and Accessibility Statement.

©2026 Autotrader, Inc. All Rights Reserved. "Autotrader" is a registered trademark of TPI Holdings, Inc. used under exclusive license.