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: 82,000 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 82,000 miles, this 2005 Mercedes-Benz SLK Kompressor has covered about 4,000 more miles than other 2005 Mercedes-Benz SLK cars. The dealer is asking £2,995, which is £127 above the AskCar estimate of £2,868. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. This car was first seen in our listings data 43 days ago. Its advertised mileage matches the government's MOT record. The seller is Radlett Cars, based in Radlett. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £127 (4%) over the AskCar estimate of £2,868.

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 7 November 2026.

A 2005 Mercedes-Benz SLK with the 1.8 petrol engine is typically advertised at £3,000: the median of the 17 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2005 Mercedes-Benz SLK has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 25 September 2026 at £2,995. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 12 September 2027.

It has had 22 MOTs. The latest, on 2 September 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 82,450 miles, which matches the advertised 82,000 miles.

Advertised mileage is about 4,000 miles higher than the median mileage of a 2005 Mercedes-Benz SLK on AskCar.

Similar cars

10 other 2005 Mercedes-Benz SLK Kompressor 1.8 petrol automatic convertibles are for sale at UK dealers, from £1,795 to £6,000, as of 7 November 2026.

The 3 closest to this car in mileage:

• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, black. Mileage: 80,000 miles. Price: £3,200, £205 more than this car. Dealer: Roberts Car Sales North West in Flint. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-3aa9a65c2878
• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, silver. Mileage: 78,000 miles. Price: £2,489, £506 less than this car. Dealer: Capital Cars in Sheffield. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-dc2ff6fed584
• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, silver. Mileage: 75,550 miles. Price: £2,995, the same price as this car. Dealer: Swans Motor Group in Norwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-dd584cf8fb11

• The nearest: 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, black, 16 miles from this car. Mileage: 97,757 miles. Price: £2,395, £600 less than this car. Dealer: Sundon Autos in Luton. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-72e24c182c95