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: 78,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 1.8 litres, 163 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• CO2: 211 g/km

About this car

This 2005 Mercedes-Benz SLK Kompressor has covered 78,000 miles. Its asking price of £2,489 is £441 below the AskCar estimate of £2,930. The AskCar estimate draws on 405 Mercedes-Benz SLK adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 5 days ago. The latest MOT recorded 78,799 miles, above the advertised mileage. Check this with the dealer. Its recorded MOT is valid until 23 September 2027. You can find this car at Capital Cars in Sheffield. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 6 November 2026.

How we estimate prices and check cars

Price

Good value: £441 (15%) under the AskCar estimate of £2,930.

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 405 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 6 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 6 November 2026.

Time on sale

AskCar first saw this 2005 Mercedes-Benz SLK advertised 5 days ago.

Price history

AskCar first saw this advert on 1 November 2026 at £2,489. 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 6 November 2026: valid until 23 September 2027.

It failed its MOT on 1 September 2026 (nearside front suspension arm pin or bush excessively worn; engine MIL inoperative or indicates a malfunction) and passed 1 day later, on 2 September 2026.

There were no advisories at the latest test.

Mileage at that test: 78,799 miles. The advert says 78,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 2,000 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 £1,795 to £6,000, as of 6 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, £711 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: 75,550 miles. Price: £2,995, £506 more than this car. Dealer: Swans Motor Group in Norwich. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-dd584cf8fb11
• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, silver. Mileage: 74,203 miles. Price: £1,795, £694 less than this car. Dealer: North West Trade Centre in Morecambe. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-3621d78e76dc

• The nearest: 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, black, 64 miles from this car. Mileage: 26,700 miles. Price: £5,999, £3,510 more than this car. Dealer: Shocars in Oldbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-2b90251bc695