2004 Mercedes-Benz CLK 2.7 CLK270 CDI Avantgarde

Price: £3,250. Fair price: £55 (1%) under the AskCar estimate of £3,305, our expected asking price for this car from its model, age, mileage and specification, drawing on 68 priced Mercedes-Benz CLK adverts on AskCar as of 5 November 2026.

AskCar lists 97 used Mercedes-Benz CLK from 81 UK dealerships, as of 5 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: CLK
  • Trim: Avantgarde
  • Version: 2.7 CLK270 CDI Avantgarde Auto RWD Euro 3 2dr (170 bhp)
  • Year: 2004
  • Mileage: 85,000 miles
  • Fuel: Diesel
  • Body: Coupe, 2 doors, 4 seats
  • Engine: 2.7 litres, 170 bhp
  • Gearbox: Automatic
  • Drive: Rear-wheel drive
  • Colour: Black
  • CO2: 188 g/km
  • Emissions standard: Euro 3

About this car

This 2004 Mercedes-Benz CLK Avantgarde has covered 85,000 miles, around 5,000 fewer miles than is typical for its age. The AskCar estimate for this car is £3,305. It is priced at £3,250, which is £55 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 68 Mercedes-Benz CLK cars across different ages and specifications. Since we first spotted the advert 129 days ago, the asking price has dropped by £1,745. The government's MOT record matches its advertised mileage. You can find this car at Regal Carriage in Bolton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 5 November 2026.

How we estimate prices and check cars

Price

Fair price: £55 (1%) under the AskCar estimate of £3,305.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 68 priced Mercedes-Benz CLK adverts across different ages and specifications, as of 5 November 2026.

Time on sale

This 2004 Mercedes-Benz CLK has been on sale for at least 129 days.

Price history

AskCar first saw this advert on 29 June 2026 at £4,995. Its asking price is now £3,250, £1,745 less. The latest price cut was seen on 15 October 2026.

Price changes recorded:

  • 29 June 2026: £4,995
  • 15 July 2026: £4,500
  • 31 July 2026: £3,995
  • 20 August 2026: £3,850
  • 7 September 2026: £3,750
  • 26 September 2026: £3,500
  • 15 October 2026: £3,250

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 5 November 2026: valid until 5 February 2027.

It failed its MOT on 14 January 2026 (nearside track rod end ball joint has excessive play) and passed 9 days later, on 23 January 2026.

Advisories at the latest test: oil leak, but not excessive; slight damage to windscreen in swept area.

Mileage at that test: 84,966 miles, which matches the advertised 85,000 miles.

Advertised mileage is about 5,000 miles lower than the median mileage of a 2004 Mercedes-Benz CLK on AskCar.

Browse all Mercedes-Benz CLK cars for sale · 2004 Mercedes-Benz CLK price guide

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Photos

68 photos of this car are on its AskCar page.

As of 5 November 2026, AskCar lists 595,776 cars and vans from 12,945 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.