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Mercedes GLC300 in Beckenham • 176 cars with AutoUncle Valuation

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New Mercedes GLC300 AMG line 258 HP (189 kW) 2025 SUV
(2025) Mercedes GLC300 AMG line 258 HP
£52,455

Fair price

Estimated price £52,316
NW90HX, London

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

Carwow

Used Mercedes GLC300 AMG line 269 HP (197 kW) 2024 Black SUV
(2024) Mercedes GLC300 AMG line 269 HP
£45,799

Fair price

You save £901
WC1E 7DP Greater London, London

151 g CO2/km comb. - 269 HP (197 kW) - 5.8 Mpg

Carwow

Used Mercedes GLC300 AMG Line Premium 245 HP (180 kW) 2022 Black SUV
(2022) Mercedes GLC300 AMG Line Premium 245 HP
£33,755

Good price

You save £2,745
WC1E 7DP Greater London, London

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

Carwow

Used Mercedes GLC300 AMG Line Premium 245 HP (180 kW) 2022 Grey SUV
(2022) Mercedes GLC300 AMG Line Premium 245 HP
£35,048

Good price

You save £1,952
WC1E 7DP Greater London, London

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

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Super price

Good price

Fair price

A bit pricey

Expensive

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Carwow

Used Mercedes GLC300 AMG Line Premium 245 HP (180 kW) 2021 Black SUV
(2021) Mercedes GLC300 AMG Line Premium 245 HP
£25,122

Good price

You save £2,278
WC1E 7DP Greater London, London

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

Carwow

Used Mercedes GLC300 AMG Line Premium 245 HP (180 kW) 2022 SUV
(2022) Mercedes GLC300 AMG Line Premium 245 HP
£23,500

Super price

You save £5,300
N11 1GN Greater London, London

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

Carwow

Used Porsche Macan 265 HP (194 kW) 2025 SUV
(2025) Porsche Macan 265 HP
£38,989

Super price

You save £5,511
UB7 0LW Harmondsworth, London

227 g CO2/km comb. - 265 HP (194 kW) - 10.0 Mpg

Carwow

Used BMW X5 M Sport 394 HP (289 kW) 2022 White SUV
(2022) BMW X5 M Sport 394 HP
£47,011

Fair price

Estimated price £46,829
WC1E 7DP Greater London, London

30 g CO2/km comb. - 394 HP (289 kW) - 27.4 Mpg

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Used BMW X5 M Sport 340 HP (250 kW) 2022 Black SUV
(2022) BMW X5 M Sport 340 HP
£48,500

Super price

You save £5,500
WC1E 7DP Greater London, London

189 g CO2/km comb. - 340 HP (250 kW) - 39.2 Mpg

Carwow

Used Audi Q7 Black Edition 340 HP (250 kW) 2024 SUV
(2024) Audi Q7 Black Edition 340 HP
£41,249

Good price

You save £4,151
E4 7PX Greater London, London

234 g CO2/km comb. - 340 HP (250 kW) - 10.3 Mpg

Carwow

Used BMW X5 M Sport 286 HP (210 kW) 2022 Black SUV
(2022) BMW X5 M Sport 286 HP
£39,146

Super price

You save £3,654
WC1E 7DP Greater London, London

186 g CO2/km comb. - 286 HP (210 kW) - 40.0 Mpg

Carwow

Used BMW X5 M Sport 265 HP (194 kW) 2020 White SUV
(2020) BMW X5 M Sport 265 HP
£36,950

Super price

You save £5,150
HA4 0JA Greater London, London

207 g CO2/km comb. - 265 HP (194 kW) - 7.5 Mpg

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Used Audi SQ5 Comfort 341 HP (250 kW) 2023 Black SUV
(2023) Audi SQ5 Comfort 341 HP
£46,000

Fair price

Estimated price £45,954
WC1E 7DP Greater London, London

215 g CO2/km comb. - 341 HP (250 kW) - 7.0 Mpg

Carwow

Used BMW X4 M Sport 190 HP (139 kW) 2024 Grey SUV
(2024) BMW X4 M Sport 190 HP
£36,990

Super price

You save £3,510
WC1E 7DP Greater London, London

159 g CO2/km comb. - 190 HP (139 kW) - 46.3 Mpg

Carwow

Used BMW X5 Comfort Edition 400 HP (294 kW) 2020 Black SUV
(2020) BMW X5 Comfort Edition 400 HP
£39,120

Fair price

You save £1,080
WC1E 7DP Greater London, London

217 g CO2/km comb. - 400 HP (294 kW) - 8.3 Mpg

Carwow

Used BMW X5 M Sport 286 HP (210 kW) 2022 Black SUV
(2022) BMW X5 M Sport 286 HP
£44,438

Fair price

You save £962
WC1E 7DP Greater London, London

186 g CO2/km comb. - 286 HP (210 kW) - 38.7 Mpg

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Used Audi Q7 340 HP (250 kW) 2024 SUV
(2024) Audi Q7 340 HP
£44,989

Fair price

Estimated price £43,756
UB7 0LW Harmondsworth, London

248 g CO2/km comb. - 340 HP (250 kW) - 10.9 Mpg

Carwow

Used VW Touareg Black Edition 286 HP (210 kW) 2022 Black SUV
(2022) VW Touareg Black Edition 286 HP
£37,510

Good price

You save £2,390
WC1E 7DP Greater London, London

216 g CO2/km comb. - 286 HP (210 kW) - 8.3 Mpg

Carwow

Used BMW X5 Shadowline 530 HP (389 kW) 2021 Grey SUV
(2021) BMW X5 Shadowline 530 HP
£47,394

Good price

You save £2,006
WC1E 7DP Greater London, London

264 g CO2/km comb. - 530 HP (389 kW) - 24.6 Mpg

Carwow

Used Mercedes GLB220 AMG Line Premium 190 HP (139 kW) 2024 Red SUV
(2024) Mercedes GLB220 AMG Line Premium 190 HP
£32,750

Fair price

Estimated price £32,137
WC1E 7DP Greater London, London

164 g CO2/km comb. - 190 HP (139 kW) - 6.3 Mpg

Showing 1 - 25 of 176 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

£44,990 - £69,323£56,9220 miles+£3,30057

2025 Mercedes GLC300

£40,824 - £62,971£48,0436,100 miles-£3,440138

2024 Mercedes GLC300

£39,209 - £50,614£44,01514,900 miles-£5,98027

2023 Mercedes GLC300

£33,290 - £43,897£39,22827,400 miles-£5,66065

2022 Mercedes GLC300

£22,410 - £36,490£29,20238,600 miles-£2,80058

2021 Mercedes GLC300

£21,268 - £32,404£28,27650,500 miles-£5,00028

2020 Mercedes GLC300

£19,755 - £32,153£25,48750,500 miles-£2,80067

2019 Mercedes GLC300

£18,745 - £28,219£23,65656,600 miles-£2,80031

*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: 5 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

£29,517 - £67,157£49,5058,100 miles+£4,74090

Mercedes GLC300 Urban

£40,890 - £52,783£44,4465,400 miles-41
🏆 The most popular

Mercedes GLC300 AMG line

£20,770 - £57,965£38,13923,500 miles+£3,440192
💰 The budget choice

Mercedes GLC300 AMG Line Premium

£21,996 - £48,283£33,50334,600 miles-£480149

*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: 5 July 2026

Which variant should you choose?

💰 The budget choice

The AMG Line Premium is the cheapest entry point with an average price of £33,503.

🏆 The most popular

There are the most AMG line for sale right now (192), 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 (+£4,740).

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Used Mercedes GLC300 by area

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