Used Mercedes-Benz GLS cars for sale on What Car?

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What Car? Classifieds has 106 approved used Mercedes-Benz GLS cars available for sale from top Mercedes-Benz dealers. Browse our classifieds now - the easiest and most powerful used car search tool around – and find the perfect approved used Mercedes-Benz GLS near you.

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Cars found 106

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Mercedes-Benz GLS 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2023 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 23,313 Miles
£67,350
Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 4,736 Miles
£85,000
Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 9,325 Miles
£83,500
Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium Plus, Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2019 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 82,000 Miles
£45,995
Mercedes-Benz GLS 5.5 GLS63 V8 AMG SpdS+7GT 4MATIC Euro 6 (s/s) 5dr
  • 2017 reg
  • Petrol
  • 5 Doors
  • Automatic
  • 75,000 Miles
£35,495
Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 11,793 Miles
£81,300
Mercedes-Benz GLS 3.0 GLS450dh MHEV Business Class G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 3,300 Miles
£96,995
Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2019 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 42,000 Miles
£35,495
Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 15,020 Miles
£81,290
Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 5,480 Miles
£82,990
Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 2,633 Miles
£84,000
Mercedes-Benz GLS 3.0 GLS450dh MHEV Business Class G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2024 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 20,534 Miles
£86,000
Mercedes-Benz GLS 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2023 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 17,387 Miles
£64,850
Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 3,188 Miles
£84,000
Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2017 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 96,500 Miles
£24,994
Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 3,271 Miles
£83,481
Mercedes-Benz GLS 3.0 GLS450dh MHEV AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2025 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 1,900 Miles
£87,995
Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2017 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 64,000 Miles
£26,990
Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium Plus, Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr
  • 2021 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 77,896 Miles
£49,995
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