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Mercedes C300 with automatic • 273 cars with Valuation

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Carwow

Used Mercedes C300 AMG line 245 HP (180 kW) 2019 Silver Coupe
Automatic
(2019) Mercedes C300 AMG line 245 HP
£19,540

Fair price

You save £560
PE1 5XL Peterborough, Cambridgeshire

145 g CO2/km comb. - 245 HP (180 kW) - 5.5 Mpg

Carwow

Used Mercedes C300 AMG line 258 HP (189 kW) 2019 Silver Coupe
Automatic
(2019) Mercedes C300 AMG line 258 HP
£17,295

Good price

You save £2,205
LE10 3DJ Leicestershire, Leicestershire

162 g CO2/km comb. - 258 HP (189 kW) - 7.1 Mpg

Carwow

Used Mercedes C300 AMG line 258 HP (189 kW) 2019 Grey Coupe
Automatic
(2019) Mercedes C300 AMG line 258 HP
£16,500

Good price

You save £1,300
WD3 3RT Croxley Green, Hertfordshire

161 g CO2/km comb. - 258 HP (189 kW) - 7.1 Mpg

Carwow

Used Mercedes C300 AMG line 245 HP (180 kW) 2019 Grey Coupe
Automatic
(2019) Mercedes C300 AMG line 245 HP
£15,966

Good price

You save £1,134
E6 5LT Greater London, London

145 g CO2/km comb. - 245 HP (180 kW) - 5.5 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-non-VIP

Used Mercedes C300 AMG line 245 HP (180 kW) 2019 Brilliant blue Sedan
Automatic
(2019) Mercedes C300 AMG line 245 HP
£18,400

Good price

You save £1,700
CM1 3BH Essex, Essex

152 g CO2/km comb. - 245 HP (180 kW) - 5.7 Mpg

Carwow

Used Mercedes C300 AMG line 245 HP (180 kW) 2019 Silver Sedan
Automatic
(2019) Mercedes C300 AMG line 245 HP
£18,295

Good price

You save £1,505
RG26 3JE Hampshire, Hampshire

130 g CO2/km comb. - 245 HP (180 kW) - 5.7 Mpg

Carwow-used-non-VIP

Used Mercedes C300 AMG Line Premium 245 HP (180 kW) 2019 Blue Coupe
Automatic
(2019) Mercedes C300 AMG Line Premium 245 HP
£15,490

Fair price

You save £10
PE20 3JN Swineshead, Lincolnshire

145 g CO2/km comb. - 245 HP (180 kW) - 51.4 Mpg

Carwow

Used Mercedes C300 AMG line 245 HP (180 kW) 2019 Blue Coupe
Automatic
(2019) Mercedes C300 AMG line 245 HP
£17,620

Fair price

You save £280
WA2 8JH Warrington, Cheshire

145 g CO2/km comb. - 245 HP (180 kW) - 5.5 Mpg

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Carwow-used-non-VIP

Used Mercedes C300 AMG line 245 HP (180 kW) 2020 Black Cabriolet
Automatic
(2020) Mercedes C300 AMG line 245 HP
£19,990

Fair price

You save £710
UB7 8HY Greater London, London

153 g CO2/km comb. - 245 HP (180 kW) - 5.8 Mpg

Carwow

Used Mercedes C300 AMG line 258 HP (189 kW) 2019 Black Coupe
Automatic
(2019) Mercedes C300 AMG line 258 HP
£15,783

Good price

You save £1,817
E6 5LT Greater London, London

162 g CO2/km comb. - 258 HP (189 kW) - 7.1 Mpg

Carwow-used-non-VIP

Used Mercedes C300 AMG Line Premium 245 HP (180 kW) 2019 White Coupe
Automatic
(2019) Mercedes C300 AMG Line Premium 245 HP
£17,990

Fair price

You save £1,110
UB7 8HY Greater London, London

145 g CO2/km comb. - 245 HP (180 kW) - 51.4 Mpg

Carwow

Used Mercedes C300 AMG line 320 HP (235 kW) 2021 Silver Estate
Automatic
(2021) Mercedes C300 AMG line 320 HP
£19,999

Super price

You save £2,601
NP194SS Newport

37 g CO2/km comb. - 320 HP (235 kW) - 1.6 Mpg

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Carwow

Used Mercedes C300 AMG line 258 HP (189 kW) 2019 Silver Sedan
Automatic
(2019) Mercedes C300 AMG line 258 HP
£17,669

Super price

You save £3,231
E6 5LT Greater London, London

148 g CO2/km comb. - 258 HP (189 kW) - 7.1 Mpg

Carwow

Used Mercedes C300 AMG Line Premium 258 HP (189 kW) 2019 Grey Coupe
Automatic
(2019) Mercedes C300 AMG Line Premium 258 HP
£19,249

Fair price

Estimated price £19,245
NR6 5BD Norfolk, Norfolk

162 g CO2/km comb. - 258 HP (189 kW) - 7.1 Mpg

Carwow

Used Mercedes C300 AMG Line Premium Plus 258 HP (189 kW) 2019 Grey Coupe
Automatic
(2019) Mercedes C300 AMG Line Premium Plus 258 HP
£21,795

Fair price

Estimated price £20,896
GU24 9PL West End, Surrey

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

Carwow-used-non-VIP

Used Mercedes C300 AMG Line Premium 245 HP (180 kW) 2018 Grey Coupe
Automatic
(2018) Mercedes C300 AMG Line Premium 245 HP
£16,566

Fair price

You save £834
SL1 5PR Berkshire, Berkshire

148 g CO2/km comb. - 245 HP (180 kW) - 6.4 Mpg

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Carwow

Used Mercedes C300 AMG line 258 HP (189 kW) 2020 Blue Coupe
Automatic
(2020) Mercedes C300 AMG line 258 HP
£19,499

Good price

You save £1,401
CW7 Cheshire West And Chester, Cheshire

162 g CO2/km comb. - 258 HP (189 kW) - 7.1 Mpg

Carwow-used-VIP

Used Mercedes C300 AMG line 258 HP (189 kW) 2020 Silver Sedan
Automatic
(2020) Mercedes C300 AMG line 258 HP
£14,982

Super price

You save £2,418
E6 5LT Greater London, London

162 g CO2/km comb. - 258 HP (189 kW) - 7.1 Mpg

Carwow-used-non-VIP

Used Mercedes C300 AMG line 265 HP (194 kW) 2023 Black Estate
Automatic
(2023) Mercedes C300 AMG line 265 HP
£25,499

Fair price

You save £201
E4 7PX Greater London, London

136 g CO2/km comb. - 265 HP (194 kW) - 5.2 Mpg

Carwow

Used Mercedes C300 AMG line 258 HP (189 kW) 2025 Sedan
Automatic
(2025) Mercedes C300 AMG line 258 HP
£28,295

Good price

You save £2,205
BL13DE

152 g CO2/km comb. - 258 HP (189 kW) - 6.6 Mpg

Showing 1 - 25 of 273 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

2026 Mercedes C300

£39,195 - £43,624£41,1776,000 miles-£1,340< 10

2025 Mercedes C300

£33,387 - £54,010£39,0437,100 miles+£68020

2024 Mercedes C300

£27,508 - £33,865£31,92225,800 miles-£5,26014

2023 Mercedes C300

£26,099 - £35,795£30,88119,900 miles-£2,86035

2022 Mercedes C300

£20,960 - £31,654£27,06939,300 miles-£4,60016

2021 Mercedes C300

£15,370 - £25,950£19,87549,500 miles-£2,88013

2020 Mercedes C300

£13,748 - £23,445£18,15958,000 miles-£2,52031

2019 Mercedes C300

£13,597 - £21,551£17,39356,000 miles-£2,24074

2018 Mercedes C300

£12,700 - £21,105£17,16663,100 miles-£60019

2017 Mercedes C300

£7,173 - £19,043£13,28468,800 miles-£1,76010

2016 Mercedes C300

£6,130 - £17,191£11,56093,000 miles-£1,68015

2015 Mercedes C300

£7,859 - £12,595£9,81190,400 miles-£2,22019

*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: 2 August 2026

Comparison of Mercedes C300 variants and prices

Below you can compare prices and depreciation for the 5 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

📈 The best value

Mercedes C300 AMG Line Premium Plus

£9,396 - £52,301£26,92136,400 miles+£1,38057

Mercedes C300 AMG Line Premium

£13,649 - £36,843£23,09840,900 miles-£5,64075
🏆 The most popular

Mercedes C300 AMG line

£10,774 - £33,257£20,26750,300 miles-£1,120124

Mercedes C300 Premium Plus

£10,011 - £15,857£12,54681,300 miles-< 10
💰 The budget choice

Mercedes C300 Premium

£8,641 - £10,000£9,49584,300 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

Last updated: 2 August 2026

Which variant should you choose?

💰 The budget choice

The Premium is the cheapest entry point with an average price of £9,495.

Accuracy will improve as more cars from this variant become available

🏆 The most popular

There are the most AMG line for sale right now (124), 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 (+£1,380).

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

See Mercedes C300