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Certified pre-owned Mercedes-Benz GLS for sale

Every Certified pre-owned Mercedes-Benz GLS we can see for sale in the United States right now — 57 listed from 2017 to 2027, each one linking straight to the seller's own page.

2020 Mercedes-Benz GLS GLS 450

$27,490

95,699 mi

lincolnofbloomington.com

Certified

no photo

2026 Mercedes-Benz GLS GLS 450 4MATIC®

$71,934

9,115 mi · Blue Springs, MO

Universal Chrysler Dodge Jeep Ram

Certified

2024 Mercedes-Benz GLS

$64,002

31,499 mi · Doylestown, PA

Mercedes-Benz of Doylestown

Certified

no photo

2022 Mercedes-Benz GLS GLS 450 4MATIC®

$51,998

40,640 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2024 Mercedes-Benz GLS GLS 450 4MATIC®

$68,998

24,986 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2023 Mercedes-Benz GLS GLS 450 4MATIC®

$59,994

31,350 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2025 Mercedes-Benz GLS GLS 450 4MATIC®

$76,994

4,869 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2025 Mercedes-Benz GLS GLS 450 4MATIC®

$75,994

7,253 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2024 Mercedes-Benz GLS GLS 450 4MATIC®

$69,998

22,246 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2025 Mercedes-Benz GLS Maybach GLS 600 4MATIC®

$149,994

17,066 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2025 Mercedes-Benz GLS GLS 450 4MATIC®

$79,998

4,627 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2025 Mercedes-Benz GLS GLS 450 4MATIC®

$79,998

6,718 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2024 Mercedes-Benz GLS GLS 450 4MATIC®

$69,998

36,040 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2023 Mercedes-Benz GLS GLS 450 4MATIC®

$55,498

46,319 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

no photo

2025 Mercedes-Benz GLS GLS 450 4MATIC®

$78,998

8,914 mi · Burlington, MA

Mercedes-Benz of Burlington

Certified

2024 Mercedes-Benz GLS

$75,774

20,279 mi · Draper, UT

Mercedes-Benz of Draper

Certified

no photo

2022 Mercedes-Benz GLS GLS 450 4MATIC®

$47,999

36,955 mi · Naperville, IL

Fair Oaks Lincoln

Certified

2021 Mercedes-Benz GLS

$44,795

65,443 mi · Little Silver, NJ

Mercedes-Benz of Little Silver

Certified

2022 Mercedes-Benz GLS

$51,698

27,294 mi · Little Silver, NJ

Mercedes-Benz of Little Silver

Certified

2025 Mercedes-Benz GLS

$90,795

14,084 mi · Little Silver, NJ

Mercedes-Benz of Little Silver

Certified

2023 Mercedes-Benz GLS

$49,795

52,057 mi · Little Silver, NJ

Mercedes-Benz of Little Silver

Certified

2024 Mercedes-Benz GLS

$65,595

25,948 mi · Little Silver, NJ

Mercedes-Benz of Little Silver

Certified

2024 Mercedes-Benz GLS

$68,295

29,034 mi · Little Silver, NJ

Mercedes-Benz of Little Silver

Certified

2024 Mercedes-Benz GLS

$69,695

20,073 mi · Little Silver, NJ

Mercedes-Benz of Little Silver

Certified

Also see

• New Mercedes-Benz GLS 179
• Used Mercedes-Benz GLS 334
• All Mercedes-Benz GLS 570

Other Mercedes-Benz models

• GLC 1,517
• C-Class 1,504
• GLE 1,483
• GLC 300 1,214
• E-Class 1,064
• GLE 350 830
• Sprinter 2500 634
• GLB 541
• GLB 250 503
• GLA 499
• GLE 450 478
• S-Class 452
• GLS 450 433
• GLA 250 405
• C 300 383
• G-Class 294

Want to filter by price, year, mileage or colour? Open these 57 listings in the full search.