AutoUncle main website

All used cars
Used electric cars
Car valuation
Free
How to sell your car
Free
Signup / Login
Log out

Mercedes C300 in London • 61 cars with AutoUncle Valuation

Featured deals

Verified Dealers

Become a verified dealer

Carwow

Used Mercedes CLA250 AMG Line Premium Plus 224 HP (164 kW) 2022 Coupe
(2022) Mercedes CLA250 AMG Line Premium Plus 224 HP
£22,150

Fair price

You save £1,250
N11 1GN Greater London, London

155 g CO2/km comb. - 224 HP (164 kW) - 6.8 Mpg

Carwow

Used BMW 530 M Sport 265 HP (194 kW) 2019 White Estate
(2019) BMW 530 M Sport 265 HP
£18,266

Super price

You save £2,734
RM13 8RH Greater London, London

164 g CO2/km comb. - 265 HP (194 kW) - 6.3 Mpg

Carwow

Used Audi A5 S-Line 150 HP (110 kW) 2025 Blue Sedan
(2025) Audi A5 S-Line 150 HP
£34,950

Super price

You save £3,750
WC1E 7DP Greater London, London

154 g CO2/km comb. - 150 HP (110 kW) - 6.8 Mpg

Carwow

Used BMW 420 M Sport 184 HP (135 kW) 2023 White Coupe
(2023) BMW 420 M Sport 184 HP
£30,444

Good price

You save £2,056
WC1E 7DP Greater London, London

154 g CO2/km comb. - 184 HP (135 kW) - 6.8 Mpg

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Featured deals

Verified Dealers

Carwow

Used VW Arteon R-line 150 HP (110 kW) 2018 Grey Hatchback
(2018) VW Arteon R-line 150 HP
£11,490

Good price

You save £1,410
UB11 1FW Hayes, London

118 g CO2/km comb. - 150 HP (110 kW) - 5.6 Mpg

Carwow

Used Lexus LBX 136 HP (100 kW) 2026 SUV
(2026) Lexus LBX 136 HP
£31,450

Fair price

You save £1,150
TW1 1ER Greater London, London

102 g CO2/km comb. - 136 HP (100 kW) - 4.5 Mpg

Carwow

Used BYD Seal 389 kW (530 HP) 2025 Green Sedan
(2025) BYD Seal 530 HP
£29,110

Fair price

Estimated price £27,811
SW17 0HB Greater London, London

0 g CO2/km comb. - 389 kW (530 HP) - 18.2 Kwh/100 km

Carwow

Used Lexus LBX 136 HP (100 kW) 2025 Grey SUV
(2025) Lexus LBX 136 HP
£29,995

Fair price

You save £1,005
WC1E 7DP Greater London, London

103 g CO2/km comb. - 136 HP (100 kW) - 4.8 Mpg

Featured deals

Verified Dealers

Carwow

Used Lexus LBX 136 HP (100 kW) 2025 Red SUV
(2025) Lexus LBX 136 HP
£33,031

Fair price

Estimated price £31,672
WC1E 7DP Greater London, London

103 g CO2/km comb. - 136 HP (100 kW) - 4.8 Mpg

Carwow

Used Jaguar F-Pace R-Dynamic 404 HP (297 kW) 2022 Grey SUV
(2022) Jaguar F-Pace R-Dynamic 404 HP
£35,995

Fair price

Estimated price £34,714
BR3 6QJ Beckenham, London

49 g CO2/km comb. - 404 HP (297 kW) - 29.5 Mpg

Carwow

Used Kia Niro 137 HP (100 kW) 2025 Other SUV
(2025) Kia Niro 137 HP
£26,995

Fair price

Estimated price £26,672
WC1E 7DP Greater London, London

111 g CO2/km comb. - 137 HP (100 kW) - 4.8 Mpg

Carwow

Used Mercedes E53 AMG Premium Plus 435 HP (319 kW) 2019 White Coupe
(2019) Mercedes E53 AMG Premium Plus 435 HP
£29,890

Fair price

Estimated price £29,731
UB11 1FW Hayes, London

211 g CO2/km comb. - 435 HP (319 kW) - 9.2 Mpg

Featured deals

Verified Dealers

Carwow Leasing

New Toyota C-HR Design 223 HP (164 kW) 2026 SUV
(2026) Toyota C-HR Design 223 HP
£36,245

Good price

You save £1,955
DA14 5HS Greater London, London

51 g CO2/km comb. - 223 HP (164 kW) - 0.6 Mpg

Carwow

Used Kia Sorento 230 HP (169 kW) 2022 Blue SUV
(2022) Kia Sorento 230 HP
£26,700

Super price

You save £3,800
SW17 0HB Greater London, London

158 g CO2/km comb. - 230 HP (169 kW) - 1.6 Mpg

Carwow

Used Volvo XC60 Plus 250 HP (183 kW) 2024 Grey SUV
(2024) Volvo XC60 Plus 250 HP
£35,710

Fair price

You save £1,290
SW17 0HB Greater London, London

176 g CO2/km comb. - 250 HP (183 kW) - 7.7 Mpg

Carwow

Used Lexus LBX 136 HP (100 kW) 2026 SUV
(2026) Lexus LBX 136 HP
£33,550

Fair price

Estimated price £32,478
TW1 1ER Greater London, London

103 g CO2/km comb. - 136 HP (100 kW) - 4.6 Mpg

Featured deals

Verified Dealers

Carwow

Used Lexus LBX 136 HP (100 kW) 2026 SUV
(2026) Lexus LBX 136 HP
£32,650

Fair price

Estimated price £32,516
TW1 1ER Greater London, London

103 g CO2/km comb. - 136 HP (100 kW) - 4.6 Mpg

Carwow

Used VW Tiguan R-line 150 HP (110 kW) 2025 Grey SUV
(2025) VW Tiguan R-line 150 HP
£29,799

Fair price

Estimated price £28,825
E4 7PX Greater London, London

141 g CO2/km comb. - 150 HP (110 kW) - 6.1 Mpg

Carwow

Used Omoda 9 449 HP (330 kW) 2025 Grey SUV
(2025) Omoda 9 449 HP
£37,995

Good price

You save £2,605
WC1E 7DP Greater London, London

38 g CO2/km comb. - 449 HP (330 kW) - 1.7 Mpg

Carwow

Used Lexus LBX 136 HP (100 kW) 2026 SUV
(2026) Lexus LBX 136 HP
£31,500

Fair price

You save £1,100
TW1 1ER Greater London, London

102 g CO2/km comb. - 136 HP (100 kW) - 4.5 Mpg

Showing 1 - 25 of 60 results

How much does a used Mercedes C300 cost? Prices, ratings and depreciation by model year

How much does a used Mercedes C300 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2025 Mercedes C300

£32,472 - £57,515£43,6986,600 miles-£76027

2026 Mercedes C300

£34,690 - £44,524£39,4031,700 miles-< 10

2024 Mercedes C300

£29,590 - £36,596£33,16616,800 miles-£7,80017

2023 Mercedes C300

£25,402 - £35,684£30,42020,000 miles-£5,20017

2022 Mercedes C300

£22,258 - £31,442£27,06338,700 miles-£2,96012

2021 Mercedes C300

£14,475 - £27,628£20,40746,900 miles-£1,96016

2020 Mercedes C300

£13,495 - £22,426£18,33658,000 miles-£1,62026

2019 Mercedes C300

£13,334 - £21,279£17,47761,400 miles-£1,64077

2018 Mercedes C300

£14,074 - £21,338£17,19361,900 miles-£20016

2017 Mercedes C300

£7,755 - £20,453£14,09066,000 miles-£86018

2016 Mercedes C300

£9,184 - £17,999£12,83488,700 miles-£1,56013

2015 Mercedes C300

£7,920 - £12,644£10,17690,800 miles-£88017

*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

Comparison of Mercedes C300 variants and prices

Below you can compare prices and depreciation for the 6 most popular Mercedes C300 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of Mercedes C300 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

Mercedes C300 Urban

£28,832 - £34,934£32,6337,400 miles-< 10

Mercedes C300 AMG Line Premium Plus

£10,058 - £55,806£29,66729,400 miles-£6,18068

Mercedes C300 AMG Line Premium

£13,048 - £36,572£20,80048,400 miles-£5,48078
🏆 The most popular

Mercedes C300 AMG line

£11,090 - £29,220£18,86754,200 miles-£1,94093

Mercedes C300 Premium Plus

£10,044 - £19,491£13,97371,000 miles-< 10
💰 The budget choice

Mercedes C300 Premium

£9,091 - £11,197£10,10584,300 miles-< 10

*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

Which variant should you choose?

💰 The budget choice

The Premium is the cheapest entry point with an average price of £10,105.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most AMG line for sale right now (93), which gives you the most options to choose from.

📈 The best value

The AMG line has held its price stable with minimal loss in value over the past year (-£1,940).

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Used Mercedes C300 by area

See Mercedes C300