2005 Mercedes-Benz SLK 1.8 SLK200 Kompressor

Overview

• Make: Mercedes-Benz
• Model: SLK
• Trim: Kompressor
• Version: 1.8 SLK200 Kompressor Auto RWD 2dr (163 bhp)
• Year: 2005
• Mileage: 97,757 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.8 litres, 163 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 211 g/km

About this car

At 97,757 miles, this 2005 Mercedes-Benz SLK Kompressor has covered about 19,800 more miles than other 2005 Mercedes-Benz SLK cars. The AskCar estimate for this car is £2,639. It is priced at £2,395, which is £244 below that estimate. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. We first saw this car advertised 162 days ago. Its asking price has since fallen by £1,080. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is advertised by Sundon Autos in Luton. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Good value: £244 (9%) under the AskCar estimate of £2,639.

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 417 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 8 November 2026.

A 2005 Mercedes-Benz SLK with the 1.8 petrol engine is typically advertised at £3,200: the median of the 15 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2005 Mercedes-Benz SLK has been on sale for at least 162 days.

Price history

AskCar first saw this advert on 30 May 2026 at £3,475. Its asking price is now £2,395, £1,080 less. The latest price cut was seen on 9 October 2026.

Price changes recorded:

• 31 May 2026: £3,475
• 8 June 2026: £3,175
• 17 June 2026: £2,999
• 21 July 2026: £2,875
• 4 August 2026: £2,750
• 11 August 2026: £2,499
• 9 October 2026: £2,395

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 31 May 2027.

It has had 23 MOTs. The latest, on 1 June 2026, passed.

Advisories at the latest test: offside brake pipe corroded, covered in grease or other material; nearside brake pipe corroded, covered in grease or other material; fuel pipe/s corroded; and 1 more.

Mileage at that test: 97,757 miles, which matches the advertised 97,757 miles.

Advertised mileage is about 19,800 miles higher than the median mileage of a 2005 Mercedes-Benz SLK on AskCar.

Similar cars

9 other 2005 Mercedes-Benz SLK Kompressor 1.8 petrol automatic convertibles are for sale at UK dealers, from £2,489 to £6,000, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, silver. Mileage: 100,000 miles. Price: £3,950, £1,555 more than this car. Dealer: Sunniside Car Sales in Newcastle upon Tyne. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-53743c738cd1
• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, silver. Mileage: 89,000 miles. Price: £2,990, £595 more than this car. Dealer: See Cars Nottingham in Little Eaton. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-6f5d85603faa
• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, black. Mileage: 82,000 miles. Price: £2,995, £600 more than this car. Dealer: Radlett Cars in Radlett. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-c41e2259ea10