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(2025) Mercedes 300 used • 41 cars for sale

Market overview: Price analysis for December: A used Mercedes 300 from 2025 typically costs between £45,450 and £68,710. The average mileage for this model year is 5,605 miles. Depreciation over the last 12 months is -£4,820.

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autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

-2%
1 / 3

New (2025) Mercedes 300 AMG line 258 HP | Good price

- GLC Coupe4Matic AMG Line 5dr

  • 2025
  • 0 miles
  • Trim level: AMG line
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 258 HP (189 kW)
  • mpg: 7.3
  • CO2: 164 g CO2/km comb.
  • Details
autouncle-certified

Good price

£59,220
£60,720
CV34LA, West Midlands
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-2%
1 / 4

New (2025) Mercedes 300 AMG Line Premium Plus 258 HP | Good price

- CLE Coupe 4Matic AMG Line

  • 2025
  • 0 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 258 HP (189 kW)
  • mpg: 6.9
  • CO2: 158 g CO2/km comb.
  • Details
autouncle-certified

Good price

£58,585
£60,085
EH87ND
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Availability verified
-2%
1 / 4

New (2025) Mercedes 300 AMG Line Premium Plus 258 HP | Good price

- CLE Coupe4Matic AMG Line Premium

  • 2025
  • 0 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 258 HP (189 kW)
  • mpg: 6.9
  • CO2: 158 g CO2/km comb.
  • Details
autouncle-certified

Good price

£58,795
£60,295
CV34LA, West Midlands
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1 / 4

New (2025) Mercedes 300 AMG Line Premium 258 HP | Super price

- CLE Coupe 4Matic AMG Line

  • 2025
  • 0 miles
  • Trim level: AMG Line Premium
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 258 HP (189 kW)
  • mpg: 6.9
  • CO2: 158 g CO2/km comb.
  • Details
autouncle-certified

Super price

£54,794
CH659LF, Cheshire
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1 / 4

New (2025) Mercedes 300 Edition 258 HP | Good price

- CLE Coupe 4Matic Premier Edition

  • 2025
  • 0 miles
  • Trim level: Edition
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 258 HP (189 kW)
  • mpg: 6.9
  • CO2: 158 g CO2/km comb.
  • Details
autouncle-certified

Good price

£60,245
PH13XF
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1 / 4

New (2025) Mercedes 300 AMG line 258 HP | Good price

- GLC Coupe 4Matic AMG Line 5dr

  • 2025
  • 0 miles
  • Trim level: AMG line
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 258 HP (189 kW)
  • mpg: 7.2
  • CO2: 164 g CO2/km comb.
  • Details
autouncle-certified

Good price

£59,935
NW90HX, London
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Availability verified
-3%

New (2025) Mercedes 300 AMG Line Premium 258 HP | Super price

- CLE Coupe4Matic AMG Line Premium

  • 2025
  • 0 miles
  • Trim level: AMG Line Premium
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 258 HP (189 kW)
  • mpg: 6.9
  • CO2: 158 g CO2/km comb.
  • Details
autouncle-certified

Super price

£54,584
£56,584
TA12EJ, Somerset
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1 / 4

Used (2025) Mercedes 300 AMG Line Premium Plus 258 HP | Good price

- GLC 4Matic AMG Line Premium Plus

  • 2025
  • 26,666 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • mpg: 7.3
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

Good price

£42,650
£42,750
CM13BH Chelmsford, Essex
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Availability verified
-1%
1 / 4

Used (2025) Mercedes 300 AMG Line Premium Plus 258 HP | Fair price

- GLC4Matic AMG Line Premium Plus

  • 2025
  • 16,139 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • mpg: 7.3
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£46,500
£47,100
CM13BH Chelmsford, Essex
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Availability verified
New
1 / 3

New (2025) Mercedes 300 Edition 258 HP | Fair price

- CLE Coupe 4Matic Premier Edition

  • 2025
  • 0 miles
  • Trim level: Edition
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 258 HP (189 kW)
  • mpg: 6.9
  • CO2: 158 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£60,959
SA731QZ
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Availability verified

Featured deals

1 / 4

New (2025) Mercedes 300 Edition 258 HP | Fair price

- CLE Coupe 4Matic Premier Edition

  • 2025
  • 0 miles
  • Trim level: Edition
  • 2.0L Petrol
  • Coupe
  • Automatic
  • 258 HP (189 kW)
  • mpg: 6.9
  • CO2: 158 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£61,169
LS126EE, West Yorkshire
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Availability verified
-1%
1 / 2

Used (2025) Mercedes 300 AMG Line Premium Plus 258 HP | Fair price

- GLC4Matic AMG Line Premium Plus

  • 2025
  • 3,495 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • mpg: 7.3
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£47,199
£47,999
NN156XY Derby, Northamptonshire
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1 / 4

Used (2025) Mercedes 300 AMG Line Premium Plus 258 HP | Fair price

- GLC4Matic AMG Line Premium Plus

  • 2025
  • 15,000 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • mpg: 7.4
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£46,995
DA130AG, Kent
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Availability verified
-1%
1 / 3

Used (2025) Mercedes 300 AMG Line Premium 258 HP | Fair price

GLC 4Matic AMG Line Premium 5dr

  • 2025
  • 11,129 miles
  • Trim level: AMG Line Premium
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • mpg: 38
  • CO2: 171 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£47,456
£48,134
Dealer
HP9 1QJ Buckinghamshire, Buckinghamshire
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Availability verified
-4%
1 / 4

Used (2025) Mercedes 300 AMG Line Premium 258 HP | Fair price

GLC GLC4Matic AMG Line Premium 5dr

  • 2025
  • 13,067 miles
  • Trim level: AMG Line Premium
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • Details
autouncle-certified

Fair price

£46,280
£48,680
Dealer
PO3 5FH Portsmouth, Hampshire
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Availability verified
-3%
1 / 4

Used (2025) Mercedes 300 AMG Line Premium 258 HP | Fair price

GLC GLC4Matic AMG Line Premium 5dr

  • 2025
  • 14,128 miles
  • Trim level: AMG Line Premium
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • Details
autouncle-certified

Fair price

£46,990
£48,680
Dealer
PR2 2TY Preston, Lancashire
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Availability verified
-1%
1 / 4

Used (2025) Mercedes 300 AMG Line Premium 258 HP | Fair price

GLC GLC4Matic AMG Line Premium 5dr

  • 2025
  • 8,640 miles
  • Trim level: AMG Line Premium
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • Details
autouncle-certified

Fair price

£48,190
£48,980
Dealer
PO20 2BJ Chichester, West Sussex
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Availability verified
-2%
1 / 4

Used (2025) Mercedes 300 AMG Line Premium 258 HP | Fair price

GLC GLC4Matic AMG Line Premium 5dr

  • 2025
  • 9,995 miles
  • Trim level: AMG Line Premium
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • Details
autouncle-certified

Fair price

£47,995
£48,980
Dealer
SO23 7RR Winchester, Hampshire
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1 / 4

Used (2025) Mercedes 300 AMG line 258 HP | Fair price

GLC 4Matic AMG Line 5dr 9G-Tronic

  • Mar 2025
  • 5,515 miles
  • Trim level: AMG line
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

Fair price

£45,450
Dealer
Cambridge, Cambridgeshire
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Availability verified
-6%
1 / 3

Used (2025) Mercedes 300 AMG Line Premium Plus 258 HP | A bit pricey

GLC4Matic AMG Line Premium Plus

  • 2025
  • 11,929 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • mpg: 38
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

A bit pricey

£50,957
£54,770
RG18EQ, Berkshire
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Availability verified

Featured deals

New
1 / 2

New (2025) Mercedes 300 AMG Line Premium Plus 258 HP | A bit pricey

- GLC 4Matic AMG Line Premium Plus

  • 2025
  • 0 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • mpg: 7.3
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

A bit pricey

£63,235
WF27UA, West Yorkshire
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Availability verified
1 / 4

New (2025) Mercedes 300 AMG Line Premium Plus 258 HP | A bit pricey

- GLC 4Matic AMG Line Premium Plus

  • 2025
  • 0 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • mpg: 7.3
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

A bit pricey

£61,920
SK42BE, Manchester
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Availability verified
-1%
1 / 4

Used (2025) Mercedes 300 AMG Line Premium 258 HP | A bit pricey

GLC 4Matic AMG Line Premium 5dr

  • Mar 2025
  • 6,060 miles
  • Trim level: AMG Line Premium
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • CO2: 171 g CO2/km comb.
  • Details
autouncle-certified

A bit pricey

£49,250
£49,990
Dealer
Nottingham, Nottinghamshire
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Availability verified
-2%
1 / 4

Used (2025) Mercedes 300 AMG Line Premium 258 HP | A bit pricey

GLC4Matic AMG Line Premium 5dr

  • Mar 2025
  • 7,319 miles
  • Trim level: AMG Line Premium
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • CO2: 171 g CO2/km comb.
  • Details
autouncle-certified

A bit pricey

£48,650
£49,990
Dealer
Stratford-Upon-Avon, Warwickshire
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1 / 4

Used (2025) Mercedes 300 AMG Line Premium Plus 258 HP | Expensive

- GLC 4Matic AMG Line Premium Plus

  • 2025
  • 9,183 miles
  • Trim level: AMG Line Premium Plus
  • 2.0L Petrol
  • Estate
  • Automatic
  • 258 HP (189 kW)
  • mpg: 7.3
  • CO2: 167 g CO2/km comb.
  • Details
autouncle-certified

Expensive

£52,413
£52,619
HP91QJ, Buckinghamshire
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Showing 1 - 25 of 39 results
autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive