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Mercedes GLS400 (diesel) • 19 cars with Valuation

Market overview: Mercedes GLS400 (diesel): What is the market value? 19 cars in database. Prices from £34,690. Compare range, options and prices here.

Featured deals

Carwow

Silver Used 2013 Mercedes G350 SUV | £46,489 (Fair price)
Mercedes G350 CDI BlueTEC 211 5dr Tip Auto
£46,489

Fair price

You save £1,211
UB70LW, London

295 g CO2/km comb. - 211 HP (155 kW) - 25.0 Mpg

Carwow

Grey Used 2021 BMW X7 M Sport SUV | £48,999 (Fair price)
BMW X7 xDrive40d MHT M Sport 5dr Step Auto
£48,999

Fair price

You save £301
MK22BA, Buckinghamshire

204 g CO2/km comb. - 340 HP (250 kW) - 35.3 Mpg

Carwow

Used 2025 BMW X7 M Sport SUV | £64,990 (Fair price)
BMW X7 - xDrive40d MHT M Sport 5dr Step Auto
£64,990

Fair price

Estimated price £64,107
CT27PX, Kent

211 g CO2/km comb. - 352 HP (258 kW) - 8.0 Mpg

Carwow

Used 2025 BMW X7 M Sport SUV | £64,994 (Super price)
BMW X7 - xDrive40d MHT M Sport 5dr Step Auto
£64,994

Super price

You save £6,906
OL84PQ, Manchester

211 g CO2/km comb. - 352 HP (258 kW) - 8.0 Mpg

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Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-5%
1 / 4

Used (2021) Mercedes GLS400 AMG Line Premium Plus 330 HP | Super price

Gls 4Matic AMG Line Premium + 5dr

  • 2021
  • 44,724 miles
  • Trim level: AMG Line Premium Plus
  • 3.0L Diesel
  • SUV
  • Automatic
  • 330 HP (242 kW)
  • Details
autouncle-certified

Super price

£52,990
£55,995
Marketplace
Delivered to you
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Availability verified
-1%
1 / 4

Used (2020) Mercedes GLS400 AMG line | Good price

GLS 2.9 AMG Line (Premium)

  • 2020
  • 28,486 miles
  • Trim level: AMG line
  • 2.9L Diesel
  • SUV
  • Automatic
  • mpg: 32.1
  • Details
autouncle-certified

Good price

£53,990
£54,990
Marketplace
S80 2QD Worksop, Nottinghamshire
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Availability verified

Used (2020) Mercedes GLS400 AMG line | Super price

GLS Class 2.9 AMG Line (Premium)

  • 2020
  • 25,000 miles
  • Trim level: AMG line
  • 2.9L Diesel
  • SUV
  • Automatic
  • Details
autouncle-certified

Super price

£52,480
£52,980
Marketplace
Nottinghamshire, Nottinghamshire
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Availability verified
-1%
1 / 4

Used (2023) Mercedes GLS400 Night 325 HP | Fair price

GLS 4Matic Night Ed Exec 5dr

  • 2023
  • 10,630 miles
  • Trim level: Night
  • 3.0L Diesel
  • SUV
  • Automatic
  • 325 HP (239 kW)
  • Details
autouncle-certified

Fair price

£71,916
£72,697
Marketplace
Delivered to you
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Availability verified
-1%
1 / 4

Used (2023) Mercedes GLS400 Night 330 HP | Fair price

GLS 4Matic Night Ed Exec 5dr

  • Jul 2023
  • 24,324 miles
  • Trim level: Night
  • 3.0L Diesel
  • SUV
  • Automatic
  • 330 HP (242 kW)
  • CO2: 230 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£67,695
£68,495
Marketplace
Delivered to you
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Availability verified
-6%
1 / 4

Used (2022) Mercedes GLS400 Night 330 HP | Fair price

4Matic Night Ed Exec 5dr 9G-Tron -

  • Oct 2022
  • 22,452 miles
  • Trim level: Night
  • 3.0L Diesel
  • SUV
  • Automatic
  • 330 HP (242 kW)
  • CO2: 230 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£64,490
£68,990
Dealer
Stratford-Upon-Avon, Warwickshire
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Availability verified
-4%
1 / 4

Used (2021) Mercedes GLS400 AMG Line Premium Plus | Fair price

GLS 4Matic AMG Line Premium + 5dr

  • 2021
  • 75,580 miles
  • Trim level: AMG Line Premium Plus
  • 2.9L Diesel
  • SUV
  • Automatic
  • mpg: 31.7
  • Details
autouncle-certified

Fair price

£48,495
£50,695
Marketplace
LE5 4BN Leicester, Leicestershire
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Availability verified
-3%
1 / 1

Used (2021) Mercedes GLS400 AMG Line Premium | Fair price

GLS 4Matic AMG Line Premium 5dr

  • 2021
  • 57,954 miles
  • Trim level: AMG Line Premium
  • 2.9L Diesel
  • SUV
  • Automatic
  • mpg: 32.1
  • Details
autouncle-certified

Fair price

£46,295
£47,795
Marketplace
LU3 3AN Luton, Bedfordshire
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Availability verified
-2%
1 / 1

Used (2019) Mercedes GLS400 AMG line 330 HP | Fair price

GLS 4Matic AMG Line Prem + Exec

  • 2019
  • 61,518 miles
  • Trim level: AMG line
  • 2.9L Diesel
  • SUV
  • Automatic
  • 330 HP (242 kW)
  • mpg: 32.8
  • Details
autouncle-certified

Fair price

£46,920
£47,920
Marketplace
BB1 3NU Blackburn, Lancashire
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Availability verified
-1%
1 / 4

Used (2019) Mercedes GLS400 AMG Line Premium Plus | Fair price

GLS4Matic AMG Line Premium + 5dr

  • 2019
  • 87,219 miles
  • Trim level: AMG Line Premium Plus
  • 2.9L Diesel
  • SUV
  • Automatic
  • mpg: 31.7
  • Details
autouncle-certified

Fair price

£39,990
£40,490
Marketplace
ST6 5QH Stoke-on-Trent, Staffordshire
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Featured deals

Carwow

Black Used 2016 Mercedes G350 SUV | £52,989 (Fair price)
Mercedes G350 5dr Tip Auto
£52,989

Fair price

Estimated price £52,433
UB70LW, London

261 g CO2/km comb. - 245 HP (180 kW) - 28.0 Mpg

Carwow

Silver Used 2020 Audi SQ7 Comfort SUV | £49,750 (Fair price)
Audi SQ7 4.0 TDI V8 SUV 5dr Diesel Tiptronic quattro Euro 6 (s/s) (435 ps)
£49,750

Fair price

You save £1,250
EH278DF

245 g CO2/km comb. - 435 HP (319 kW) - 9.3 Mpg

Carwow

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BMW X7 - xDrive40d MHT M Sport 5dr Step Auto
£83,678

Fair price

You save £1,822
SP13YU, Wiltshire

211 g CO2/km comb. - 352 HP (258 kW) - 8.0 Mpg

Carwow

Black Used 2020 Mercedes G350 AMG Line Premium SUV | £85,989 (Fair price)
Mercedes G350 AMG Line Premium 5dr 9G-Tronic
£85,989

Fair price

You save £711
UB70LW, London

289 g CO2/km comb. - 286 HP (210 kW) - 10.9 Mpg

-1%

Used (2019) Mercedes GLS400 AMG line | Fair price

GLS Class 2.9 AMG Line (Premium

  • 2019
  • 30,000 miles
  • Trim level: AMG line
  • 2.9L Diesel
  • SUV
  • Automatic
  • Details
autouncle-certified

Fair price

£54,980
£55,980
Marketplace
Nottinghamshire, Nottinghamshire
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Availability verified
-1%

Used (2021) Mercedes GLS400 AMG line | Fair price

GLS Class 2.9 AMG Line (Premium

  • 2021
  • 43,000 miles
  • Trim level: AMG line
  • 2.9L Diesel
  • SUV
  • Automatic
  • Details
autouncle-certified

Fair price

£56,980
£57,980
Marketplace
Nottinghamshire, Nottinghamshire
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Availability verified
1 / 4

Used (2023) Mercedes GLS400 Night | Fair price

GLS 4Matic Night Ed Exec 5dr

  • 2023
  • 44,000 miles
  • Trim level: Night
  • 2.9L Diesel
  • SUV
  • Automatic
  • Details
autouncle-certified

Fair price

£59,999
Marketplace
PE26 2XN Huntingdon, Cambridgeshire
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Availability verified
1 / 4

Used (2022) Mercedes GLS400 Night | Fair price

GLS 4Matic Night Ed Exec 5dr

  • 2022
  • 11,148 miles
  • Trim level: Night
  • 2.9L Diesel
  • SUV
  • Automatic
  • Details
autouncle-certified

Fair price

£66,995
Marketplace
KT17 1JG Epsom, Surrey
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1 / 4

Used (2023) Mercedes GLS400 Night 330 HP | A bit pricey

- 4Matic Night Ed Exec 5dr

  • 2023
  • 38,000 miles
  • Trim level: Night
  • 2.9L Diesel
  • SUV
  • Automatic
  • 330 HP (242 kW)
  • mpg: 8.8
  • CO2: 230 g CO2/km comb.
  • Details
autouncle-certified

A bit pricey

£64,995
Verified Marketplace
OX20LX, Oxfordshire
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Availability verified
-1%
1 / 4

Used (2022) Mercedes GLS400 Night 330 HP | A bit pricey

GLS4Matic Night Ed Exec 5dr

  • 2022
  • 44,250 miles
  • Trim level: Night
  • 2.9L Diesel
  • SUV
  • Automatic
  • 330 HP (242 kW)
  • Details
autouncle-certified

A bit pricey

£60,895
£61,995
Marketplace
BD19 4EW Cleckheaton, West Yorkshire
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Availability verified

Used (2020) Mercedes GLS400 AMG line | Expensive

GLS Class 2.9 AMG Line (Premium

  • 2020
  • 130,000 miles
  • Trim level: AMG line
  • 2.9L Diesel
  • SUV
  • Automatic
  • Details
autouncle-certified

Expensive

£34,690
£33,690
Marketplace
Hampshire, Hampshire
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Availability verified
-1%
1 / 4

Used (2023) Mercedes GLS400 Night 330 HP

4Matic Night Ed Exec 5dr 9G-Tron

  • 2023
  • 10,630 miles
  • Trim level: Night
  • Diesel
  • SUV
  • Automatic
  • 330 HP (242 kW)
  • mpg: 32.0
  • CO2: 230 g CO2/km comb.
  • Details
£71,538
£72,697
Not evaluated
Verified Marketplace
SL15PR, Berkshire
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Availability verified
-6%
1 / 4

Used (2021) Mercedes GLS400 AMG line 330 HP

-4Matic AMG Line Prem + Exec 5dr

  • 2021
  • 61,518 miles
  • Trim level: AMG line
  • Diesel
  • SUV
  • Automatic
  • 330 HP (242 kW)
  • mpg: 8.6
  • CO2: 232 g CO2/km comb.
  • Details
£46,920
£49,970
Not evaluated
Verified Marketplace
BB13NU Blackburn,, Lancashire
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Availability verified

Featured deals

Carwow

Used 2025 BMW X7 M Sport SUV | £72,750 (Fair price)
BMW X7 - xDrive40d MHT M Sport 5dr Step Auto
£72,750

Fair price

You save £1,650
CM13BH Chelmsford, Essex

211 g CO2/km comb. - 352 HP (258 kW) - 8.0 Mpg

Carwow

Platinum magno Used 2020 Mercedes G350 AMG line SUV | £90,000 (Fair price)
Mercedes G350 AMG Line (Premium) SUV 5dr Diesel G-Tronic+ 4MATIC Euro 6 (s/s) (
£90,000

Fair price

Estimated price £89,594
CM13BH Chelmsford, Essex

289 g CO2/km comb. - 286 HP (210 kW) - 10.9 Mpg

Carwow

New 2025 Audi Q8 Black Edition SUV | £79,750 (Super price)
Audi Q8 -3.0 TDI Quattro 286 Black Edition 5dr Tiptronic
£79,750

Super price

You save £5,250
DE248AJ, Derbyshire

220 g CO2/km comb. - 286 HP (210 kW) - 8.4 Mpg

Carwow

Grey Used 2018 Audi SQ7 Prestige SUV | £35,990 (Super price)
Audi SQ7 4.0 TDI V8 SUV 5dr Diesel Tiptronic quattro Euro 6 (s/s) (435 ps)
£35,990

Super price

You save £6,210
NE83HL, Tyne and Wear

190 g CO2/km comb. - 435 HP (319 kW) - 7.2 Mpg

Showing 1 - 19 of 19 results
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Super price

Good price

Fair price

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Expensive