2018 Mercedes C300 • Compare 32 used cars with valuation

Market overview: April-2026 Price Analysis: A used Mercedes C300 from 2018 currently costs between £14,113 and £20,950. On average, the mileage for this year stands at 61,390 miles. The depreciation and price trend over the last 12 months is -£1,780.

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Carwow

2020

(2020) Mercedes C300 AMG Line Premium 245 HP

£16,895

Fair price

You save £805

BL13DE

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

Carwow

2019

(2019) Mercedes C300 AMG Line Premium 245 HP

£14,899

Fair price

Estimated price £13,910

CV9 2PZ Grendon, Warwickshire

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

Carwow

2019

(2019) Mercedes C300 AMG line 258 HP

£20,495

Fair price

Estimated price £20,069

BL1 3DE Greater Manchester, Manchester

174 g CO2/km comb. - 258 HP (189 kW) - 7.5 Mpg

Carwow

2019

(2019) Mercedes C300 AMG line 245 HP

£16,620

Fair price

You save £780

BB1 3NU Blackburn, Lancashire

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

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-3%

1 / 4

Used (2018) Mercedes C300 AMG Line Premium Plus | Good price

AMG Line Premium+ Auto Coupe

2018
72,216 miles
Trim level: AMG Line Premium Plus
2.0L Petrol
Coupe
Automatic
mpg: 43
Details

Good price

£16,095

£16,700

Motors.co.uk

WS9 0LS Aldridge, West Midlands

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-4%

1 / 4

Used (2018) Mercedes C300 AMG line | Super price

C Class 2.0 AMG Line Auto 4dr

2018
44,879 miles
Trim level: AMG line
2.0L Petrol
Sedan
Automatic
mpg: 35.3
Details

Super price

£15,850

£16,550

Parkers.co.uk

DE65 5FJ Hilton, Derbyshire

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-2%

1 / 1

Used (2018) Mercedes C300 AMG line | Good price

C Class 2.0 AMG Line (Premium

2018
60,432 miles
Trim level: AMG line
2.0L Petrol
Cabriolet
Automatic
mpg: 40
Details

Good price

£16,995

£17,450

Parkers.co.uk

CM7 3QU Essex, Essex

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1 / 1

Used (2018) Mercedes C300 Premium | Super price

Sport Premium 4d Auto

2018
87,987 miles
Trim level: Premium
2.1L Diesel
Sedan
Automatic
mpg: 78
Details

Super price

£12,295

Motors.co.uk

TS25 5SS Hartlepool, Durham

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Carwow

2017

(2017) Mercedes C300 AMG line 245 HP

£17,495

Fair price

Estimated price £17,185

MK17 0PP Little Horwood, Buckinghamshire

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

Carwow

2019

(2019) Mercedes C300 AMG Line Premium 258 HP

£19,799

Fair price

You save £201

DE21 6BZ Derby, Derbyshire

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

Carwow

2019

(2019) Mercedes C300 AMG Line Premium 258 HP

£18,399

Good price

You save £1,701

CW7 Cheshire West And Chester, Cheshire

162 g CO2/km comb. - 258 HP (189 kW) - 44.1 Mpg

Carwow

2019

(2019) Mercedes C300 AMG Line Premium Plus 258 HP

£19,500

Fair price

Estimated price £18,477

WD3 3RT Croxley Green, Hertfordshire

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

1 / 1

Used (2018) Mercedes C300 AMG line | Super price

C Class AMG Line 2dr 9G-Tronic

2018
79,200 miles
Trim level: AMG line
2.0L Petrol
Coupe
Automatic
mpg: 43
Details

Super price

£14,113

£13,967

Motors.co.uk

BL1 8DY Greater Manchester, Manchester

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1 / 1

Used (2018) Mercedes C300 AMG Line Premium | Good price

AMG Line Premium 4d Auto

2018
70,797 miles
Trim level: AMG Line Premium
2.1L Diesel
Sedan
Automatic
mpg: 74
Details

Good price

£14,758

Parkers.co.uk

PO9 Havant, Hampshire

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1 / 1

Used (2018) Mercedes C300 AMG line 258 HP | Good price

C Class AMG Line 2dr 9G-Tronic

2018
31,963 miles
Trim level: AMG line
2.0L Petrol
Coupe
Automatic
258 HP (189 kW)
mpg: 39.8
Details

Good price

£18,519

Motors.co.uk

RM13 8RH Greater London, London

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1 / 4

Used (2018) Mercedes C300 AMG line | Good price

C Class AMG Line 2dr 9G-Tronic

2018
44,742 miles
Trim level: AMG line
2.0L Petrol
Coupe
Automatic
mpg: 39.8
Details

Good price

£17,988

Motors.co.uk

NG31 7UH Lincolnshire, Lincolnshire

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1 / 4

Used (2018) Mercedes C300 AMG Line Premium | Super price

C Class AMG Line Premium 4dr

2018
60,000 miles
Trim level: AMG Line Premium
2.0L Petrol
Sedan
Automatic
Details

Super price

£14,290

Motors.co.uk

RM8 2AQ Greater London, London

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-4%

1 / 3

Used (2018) Mercedes C300 AMG Line Premium Plus 245 HP | Fair price

- C-Class Coupe AMG Line Premium

2018
82,833 miles
Trim level: AMG Line Premium Plus
2.0L Petrol
Coupe
Automatic
245 HP (180 kW)
CO2 emissions: 148 g CO2/km comb.
mpg: 6.4
Details

Fair price

£14,946

£15,666

RM13 8RH Greater London, London

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Carwow

2018

(2018) Mercedes C300 AMG Line Premium Plus 245 HP

£14,946

Fair price

You save £754

RM13 8RH Greater London, London

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

Carwow

2019

(2019) Mercedes C300 AMG line 245 HP

£18,923

Fair price

Estimated price £18,508

RM13 8RH Greater London, London

133 g CO2/km comb. - 245 HP (180 kW) - 5.9 Mpg

Carwow

2020

(2020) Mercedes C300 Active 245 HP

£20,999

Fair price

Estimated price £19,849

CW7 Cheshire West And Chester, Cheshire

146 g CO2/km comb. - 245 HP (180 kW) - 57.7 Mpg

Carwow

2019

(2019) Mercedes C300 AMG Line Premium 258 HP

£19,995

Good price

You save £1,505

BL1 3DE Greater Manchester, Manchester

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

1 / 3

Used (2018) Mercedes C300 AMG Line Premium 258 HP | Fair price

- C-Class Saloon AMG Line Premium

2018
29,901 miles
Trim level: AMG Line Premium
2.0L Petrol
Sedan
Automatic
258 HP (189 kW)
CO2 emissions: 148 g CO2/km comb.
mpg: 7.1
Details

Fair price

£18,911

£18,778

RM13 8RH Greater London, London

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Availability verified

-2%

1 / 4

Used (2018) Mercedes C300 AMG Line Premium | Fair price

C-Class Saloon (2018/68)C 300 AMG

2018
52,366 miles
Trim level: AMG Line Premium
2.0L Petrol
Sedan
Automatic
mpg: 35.3
Details

Fair price

£17,995

£18,495

Parkers.co.uk

ME10 3DN Kent, Kent

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-1%

1 / 4

Used (2018) Mercedes C300 AMG Line Premium | Fair price

C Class AMG Line Premium 2dr

2018
49,543 miles
Trim level: AMG Line Premium
2.0L Diesel
Cabriolet
Automatic
Details

Fair price

£17,050

£17,350

Motors.co.uk

N11 1GN Greater London, London

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-6%

1 / 4

Used (2018) Mercedes C300 AMG Line Premium 245 HP | Fair price

C Class AMG Line Premium 2dr

2018
81,385 miles
Trim level: AMG Line Premium
2.0L Diesel
Coupe
Automatic
245 HP (180 kW)
mpg: 51.4
Details

Fair price

£14,640

£15,695

Parkers.co.uk

W2 2UH Greater London, London

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New

1 / 4

Used (2018) Mercedes C300 AMG line | Fair price

C Class AMG Line 2dr Auto

2018
27,000 miles
Trim level: AMG line
2.0L Petrol
Cabriolet
Automatic
mpg: 40
Details

Fair price

£22,500

Parkers.co.uk

PL14 3PX Horningtops, Cornwall

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1 / 4

Used (2018) Mercedes C300 AMG Line Premium Plus | Fair price

C Class AMG Line Premium Plus

2018
57,000 miles
Trim level: AMG Line Premium Plus
2.0L Petrol
Coupe
Automatic
Details

Fair price

£19,500

Motors.co.uk

B90 4NE Shirley, West Midlands

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-3%

1 / 4

Used (2018) Mercedes C300 AMG line 254 HP | Fair price

C Class CLASSE C 2.0 AMG Line

2018
58,913 miles
Trim level: AMG line
2.0L Petrol
Coupe
Automatic
254 HP (186 kW)
CO2 emissions: 147 g CO2/km comb.
Details

Fair price

£15,995

£16,495

Exchange and Mart

IV1 1LY Highland Council, Inverness-Shire

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1 / 4

Used (2018) Mercedes C300 AMG Line Premium | Fair price

C Class AMG Line Premium 2dr

2018
96,633 miles
Trim level: AMG Line Premium
2.0L Petrol
Coupe
Automatic
mpg: 43
Details

Fair price

£14,495

Parkers.co.uk

KT16 0AW Lyne, Surrey

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1 / 1

Used (2018) Mercedes C300 AMG Line Premium 245 HP | Fair price

C Class AMG Line Premium 2dr

2018
32,000 miles
Trim level: AMG Line Premium
2.0L Diesel
Cabriolet
Automatic
245 HP (180 kW)
mpg: 48.7
Details

Fair price

£19,995

Parkers.co.uk

ST4 3EE Stoke-On-Trent, Staffordshire

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1 / 4

Used (2018) Mercedes C300 AMG Line Premium 258 HP | A bit pricey

C-Class Cabriolet AMG Line Premium

2018
39,000 miles
Trim level: AMG Line Premium
2.0L Petrol
Cabriolet
Automatic
258 HP (189 kW)
Details

A bit pricey

£19,895

£19,990

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Carwow

2019

(2019) Mercedes C300 AMG line 258 HP

£18,635

Good price

You save £2,165

RM13 8RH Greater London, London

173 g CO2/km comb. - 258 HP (189 kW) - 7.5 Mpg

Carwow

2020

(2020) Mercedes C300 AMG Line Premium 245 HP

£14,640

Good price

You save £1,760

W1H 7AB Greater London, London

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

Carwow

2019

(2019) Mercedes C300 AMG Line Premium 245 HP

£17,699

Fair price

Estimated price £17,592

RM13 8RH Greater London, London

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

Carwow

2019

(2019) Mercedes C300 Active 258 HP

£19,699

Fair price

You save £501

CW7 Cheshire West And Chester, Cheshire

150 g CO2/km comb. - 258 HP (189 kW) - 42.8 Mpg

1 / 4

Used (2018) Mercedes C300 AMG Line Premium Plus 258 HP | A bit pricey

C Class AMG Line Premium Plus 2dr

2018
50,500 miles
Trim level: AMG Line Premium Plus
2.0L Petrol
Coupe
Automatic
258 HP (189 kW)
mpg: 39.2
Details

A bit pricey

£19,997

£19,971

Parkers.co.uk

SS8 0EQ Essex, Essex

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1 / 4

Used (2018) Mercedes C300 AMG Line Premium Plus 258 HP | A bit pricey

C Class AMG Line Premium Plus 2dr

2018
39,999 miles
Trim level: AMG Line Premium Plus
2.0L Petrol
Cabriolet
Automatic
258 HP (189 kW)
mpg: 37.2
Details

A bit pricey

£19,990

Motors.co.uk

SO41 8JD Lymington, Hampshire

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1 / 3

Used (2018) Mercedes C300 AMG line 245 HP | A bit pricey

C Class 2.0 AMG Line (Premium)

2018
70,425 miles
Trim level: AMG line
2.0L Diesel
Coupe
Automatic
245 HP (180 kW)
mpg: 51.4
Details

A bit pricey

£16,895

Parkers.co.uk

BL1 3DE Greater Manchester, Manchester

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-1%

1 / 3

Used (2018) Mercedes C300 AMG Line Premium 245 HP | A bit pricey

C-Class Coupe (2018/68)C 300 d AMG

2018
63,879 miles
Trim level: AMG Line Premium
2.0L Diesel
Coupe
Automatic
245 HP (180 kW)
mpg: 51.4
Details

A bit pricey

£17,000

£17,200

Motors.co.uk

SK1 3JG Greater Manchester, Manchester

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1 / 1

Used (2018) Mercedes C300 AMG Line Premium 258 HP | A bit pricey

C-Class AMG Line Premium 4dr

2018
54,725 miles
Trim level: AMG Line Premium
2.0L Petrol
Sedan
Automatic
258 HP (189 kW)
CO2 emissions: 148 g CO2/km comb.
mpg: 43.5
Details

A bit pricey

£17,498

Dealer

EH54 8PT West Lothian, West Lothian

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Carwow

2020

(2020) Mercedes C300 AMG Line Premium Plus 258 HP

£19,990

Good price

You save £1,510

SO418JD

174 g CO2/km comb. - 258 HP (189 kW) - 7.5 Mpg

Carwow

2020

(2020) Mercedes C300 AMG Line Premium 245 HP

£17,050

Good price

You save £2,250

N11 1GN Greater London, London

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

Carwow

2018

(2018) Mercedes C300 AMG Line Premium 258 HP

£18,911

Fair price

You save £89

RM13 8RH Greater London, London

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

Carwow

2019

(2019) Mercedes C300 258 HP

£15,347

Good price

You save £2,053

E65LU

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

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