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2024 Mercedes GLC300 • Compare 30 used cars with valuation

Average sales data

Avg. price

£43,476

Cars found

26

Depreciation

-

Avg. sale time

40 days

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Price checked by AutoUncle

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Carwow Leasing

New Mercedes GLC300 AMG line 258 HP (189 kW) 2026 SUV
2026
(2026) Mercedes GLC300 AMG line 258 HP
£51,970

Fair price

You save £1,630
TS183RB, Durham

165 g CO2/km comb. - 258 HP (189 kW) - 7.2 Mpg

Carwow Leasing

New Mercedes GLC300 AMG line 258 HP (189 kW) 2026 SUV
2026
(2026) Mercedes GLC300 AMG line 258 HP
£51,470

Good price

You save £2,130
GU11RU, Surrey

165 g CO2/km comb. - 258 HP (189 kW) - 7.3 Mpg

Carwow Leasing

New Mercedes GLC300 AMG line 258 HP (189 kW) 2026 SUV
2026
(2026) Mercedes GLC300 AMG line 258 HP
£51,760

Good price

You save £1,840
LS126EE, West Yorkshire

165 g CO2/km comb. - 258 HP (189 kW) - 7.3 Mpg

Carwow

Used Mercedes GLC300 AMG Line Premium 258 HP (189 kW) 2023 SUV
2023
(2023) Mercedes GLC300 AMG Line Premium 258 HP
£38,200

Fair price

Estimated price £36,999
CM1 3BH Essex, Essex

171 g CO2/km comb. - 258 HP (189 kW) - 7.4 Mpg

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Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

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Carwow

Used Mercedes GLC300 AMG line 269 HP (197 kW) 2023 Black SUV
2023
(2023) Mercedes GLC300 AMG line 269 HP
£37,250

Fair price

Estimated price £36,296
CM1 3BH Essex, Essex

150 g CO2/km comb. - 269 HP (197 kW) - 5.7 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2026 SUV
2026
(2026) Mercedes GLC300 AMG line 258 HP
£41,314

Fair price

Estimated price £41,079
SL15PR

165 g CO2/km comb. - 258 HP (189 kW) - 7.3 Mpg

Carwow Leasing

New Mercedes GLC300 AMG line 258 HP (189 kW) 2026 SUV
2026
(2026) Mercedes GLC300 AMG line 258 HP
£51,260

Good price

You save £2,340
S417JB, Derbyshire

165 g CO2/km comb. - 258 HP (189 kW) - 7.3 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2026 SUV
2026
(2026) Mercedes GLC300 AMG line 258 HP
£36,490

Good price

You save £2,710
TN12 5HD East Peckham, Kent

165 g CO2/km comb. - 258 HP (189 kW) - 7.3 Mpg

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Used Mercedes GLC300 AMG Line Premium Plus 269 HP (197 kW) 2026 Black SUV
2026
(2026) Mercedes GLC300 AMG Line Premium Plus 269 HP
£51,167

Fair price

Estimated price £49,690
WC1E 7DP Greater London, London

149 g CO2/km comb. - 269 HP (197 kW) - 5.7 Mpg

Carwow Leasing

New Mercedes GLC300 AMG line 258 HP (189 kW) 2026 SUV
2026
(2026) Mercedes GLC300 AMG line 258 HP
£51,955

Fair price

You save £1,645
CM25EF, Essex

165 g CO2/km comb. - 258 HP (189 kW) - 7.3 Mpg

Carwow

Used Mercedes GLC300 AMG Line Premium 245 HP (180 kW) 2022 Grey SUV
2022
(2022) Mercedes GLC300 AMG Line Premium 245 HP
£34,297

Fair price

You save £1,503
HP9 1QJ Buckinghamshire, Buckinghamshire

174 g CO2/km comb. - 245 HP (180 kW) - 6.6 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2022 Silver SUV
2022
(2022) Mercedes GLC300 AMG line 258 HP
£31,049

Fair price

You save £451
SA7 9AG Llansamlet, West Glamorgan

188 g CO2/km comb. - 258 HP (189 kW) - 8.3 Mpg

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Used Mercedes GLC300 AMG line 258 HP (189 kW) 2022 SUV
2022
(2022) Mercedes GLC300 AMG line 258 HP
£27,670

Fair price

You save £130
ME59QG

190 g CO2/km comb. - 258 HP (189 kW) - 8.3 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2023 SUV
2023
(2023) Mercedes GLC300 AMG line 258 HP
£27,990

Super price

You save £3,610
BB97DU

193 g CO2/km comb. - 258 HP (189 kW) - 8.5 Mpg

Carwow

Used Mercedes GLC300 AMG line 245 HP (180 kW) 2022 SUV
2022
(2022) Mercedes GLC300 AMG line 245 HP
£27,490

Good price

You save £1,810
TN12 5HD East Peckham, Kent

174 g CO2/km comb. - 245 HP (180 kW) - 6.6 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2022 Silver SUV
2022
(2022) Mercedes GLC300 AMG line 258 HP
£27,399

Super price

You save £2,901
CW7 Cheshire West And Chester, Cheshire

191 g CO2/km comb. - 258 HP (189 kW) - 8.3 Mpg

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Verified Dealers

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2022 Black SUV
2022
(2022) Mercedes GLC300 AMG line 258 HP
£28,490

Fair price

Estimated price £28,351
CM5 0ER Magdalen Laver, Essex

191 g CO2/km comb. - 258 HP (189 kW) - 8.3 Mpg

Carwow

Used Mercedes GLC300 AMG line 272 HP (200 kW) 2023 Black SUV
2023
(2023) Mercedes GLC300 AMG line 272 HP
£30,495

Fair price

Estimated price £30,034
LE10 3DJ Leicestershire, Leicestershire

193 g CO2/km comb. - 272 HP (200 kW) - 8.5 Mpg

Carwow

Used Mercedes GLC300 AMG line 258 HP (189 kW) 2022 SUV
2022
(2022) Mercedes GLC300 AMG line 258 HP
£30,400

Fair price

Estimated price £29,959
RG129FR

188 g CO2/km comb. - 258 HP (189 kW) - 8.3 Mpg

Carwow

Used Mercedes GLC300 AMG line 245 HP (180 kW) 2022 SUV
2022
(2022) Mercedes GLC300 AMG line 245 HP
£28,750

Good price

You save £1,550
N11 1GN Greater London, London

174 g CO2/km comb. - 245 HP (180 kW) - 6.6 Mpg

Showing 1 - 25 of 26 results

How much does a used Mercedes GLC300 cost? Prices, ratings and depreciation by model year

How much does a used Mercedes GLC300 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2026 Mercedes GLC300

£43,640 - £71,216£55,9620 miles+£1,62062

2025 Mercedes GLC300

£39,999 - £61,814£47,2426,700 miles-£5,680119

2024 Mercedes GLC300

£38,399 - £49,574£43,92316,700 miles-£4,42030

2023 Mercedes GLC300

£28,520 - £43,998£37,65928,700 miles-£8,38077

2021 Mercedes GLC300

£20,540 - £32,217£28,34451,800 miles-£3,92026

2022 Mercedes GLC300

£20,495 - £34,990£27,79540,900 miles-£3,70081

2020 Mercedes GLC300

£18,781 - £30,916£25,27753,000 miles-£3,08067

2019 Mercedes GLC300

£17,492 - £28,495£22,99263,800 miles-£3,32031

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 19 July 2026

Comparison of Mercedes GLC300 variants and prices

Below you can compare prices and depreciation for the 4 most popular Mercedes GLC300 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of Mercedes GLC300 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

📈 The best value

Mercedes GLC300 AMG Line Premium Plus

£26,389 - £67,039£47,48010,100 miles+£8,64091

Mercedes GLC300 Urban

£40,350 - £55,124£44,1664,700 miles-£4,68031
🏆 The most popular

Mercedes GLC300 AMG line

£20,461 - £58,941£37,15327,900 miles+£5,740227
💰 The budget choice

Mercedes GLC300 AMG Line Premium

£20,270 - £46,264£32,03938,700 miles-£1,860133

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 19 July 2026

Which variant should you choose?

💰 The budget choice

The AMG Line Premium is the cheapest entry point with an average price of £32,039.

🏆 The most popular

There are the most AMG line for sale right now (227), which gives you the most options to choose from.

📈 The best value

The AMG Line Premium Plus has held its price stable with minimal loss in value over the past year (+£8,640).

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

See Mercedes GLC300

Price Information

Mercedes GLC300

Price ratingAverage price

Fair

£40,825

Poor

£43,113

Bad

£45,367

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