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

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What Car? Classifieds has 95 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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Mercedes-Benz GLS 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Chelmsford, Essex
  • 2023 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 17,575 Miles
£74,512
Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Stockport, Cheshire
  • 2017 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 44,168 Miles
£30,990
Mercedes-Benz GLS 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Brighton, East sussex
  • 2022 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 29,543 Miles
£65,499
Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Wembley, Middlesex
  • 2020 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 44,000 Miles
£50,600
Mercedes-Benz GLS Class 2.9 GLS400d AMG Line (Premium Plus, Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS Class 2.9 GLS400d AMG Line (Premium Plus, Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Heigham street, Norwich
  • 2020 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 77,079 Miles
£53,995
Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Edinburgh, Midlothian
  • 2020 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 23,149 Miles
£58,699
Mercedes-Benz GLS 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Stockton-on-tees, Cleveland
  • 2023 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 10,833 Miles
£76,000
Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Chelmsford, Essex
  • 2021 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 34,944 Miles
£59,886
Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Preston, Lancashire
  • 2017 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 46,000 Miles
£31,975
Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Gravesend, Kent
  • 2017 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 69,710 Miles
£29,495
Mercedes-Benz GLS 3.0 GLS350d V6 Designo Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 3.0 GLS350d V6 Designo Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Aberdeen, Kincardineshire
  • 2017 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 58,243 Miles
£32,998
Mercedes-Benz GLS DIESEL ESTATE 3.0 GLS450dh MHEV Business Class G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS DIESEL ESTATE 3.0 GLS450dh MHEV Business Class G-Tronic 4MATIC Euro 6 (s/s) 5dr

Warrington, Cheshire
  • 2023 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 6,107 Miles
£90,420
Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Portsmouth, Hampshire
  • 2018 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 42,000 Miles
£32,995
Mercedes-Benz Gls 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz Gls 2.9 GLS400d Night Edition (Executive) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Belfast, County antrim
  • 2023 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 10,859 Miles
£71,995
Mercedes-Benz GLS DIESEL ESTATE 3.0 GLS450dh MHEV Business Class G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS DIESEL ESTATE 3.0 GLS450dh MHEV Business Class G-Tronic 4MATIC Euro 6 (s/s) 5dr

Loughborough, Leicestershire
  • 2023 reg
  • Diesel Hybrid
  • 5 Doors
  • Automatic
  • 6,967 Miles
£89,500
Mercedes-Benz GLS 3.0 GLS350d V6 Grand Edition G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 3.0 GLS350d V6 Grand Edition G-Tronic 4MATIC Euro 6 (s/s) 5dr

Wakefield, West yorkshire
  • 2018 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 45,450 Miles
£36,450
Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium Plus) G-Tronic 4MATIC Euro 6 (s/s) 5dr

West thurrock, Essex
  • 2020 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 50,327 Miles
£53,352
Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 2.9 GLS400d AMG Line (Premium) G-Tronic 4MATIC Euro 6 (s/s) 5dr

Livingston, West lothian
  • 2021 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 62,000 Miles
£49,995
Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Mercedes-Benz GLS 3.0 GLS350d V6 AMG Line G-Tronic 4MATIC Euro 6 (s/s) 5dr

Oldham, Lancashire
  • 2018 reg
  • Diesel
  • 5 Doors
  • Automatic
  • 41,800 Miles
£33,994
Mercedes-Benz GLS 4.0 GLS63h V8 BiTurbo MHEV AMG Night Edition (Executive) SpdS TCT 4WD Euro 6 (s/s) 5dr

Mercedes-Benz GLS 4.0 GLS63h V8 BiTurbo MHEV AMG Night Edition (Executive) SpdS TCT 4WD Euro 6 (s/s) 5dr

Beaconsfield, Buckinghamshire
  • 2023 reg
  • Petrol Hybrid
  • 5 Doors
  • Automatic
  • 15,642 Miles
£105,007
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