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: 50,000 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 50,000 miles. Its asking price of £6,000 is £2,270 above the AskCar estimate of £3,730. The AskCar estimate uses 417 UK dealer adverts for the Mercedes-Benz SLK, with adjustments for age, mileage, trim, engine and other specifications. It first appeared in our advert records 164 days ago. Ask the dealer why the advert shows fewer miles than the 55,997 recorded at the latest MOT. The latest recorded MOT expiry date is 2 November 2023, which has passed. Confirm its status with the dealer. You can find this car at C M W Car Sales in Wallington. 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

Above the going rate: £2,270 (60%) over the AskCar estimate of £3,730.

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 164 days.

Price history

AskCar first saw this advert on 28 May 2026 at £6,000. 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 8 November 2026: the latest record we hold ran out on 2 November 2023; ask the dealer for the current MOT.

It failed its MOT on 5 October 2022 (windscreen washer not working; offside front coil spring fractured or broken) and passed 9 days later, on 14 October 2022.

There were no advisories at the latest test.

Mileage at that test: 55,997 miles. The advert says 50,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 28,000 miles lower 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 £2,395 to £5,999, as of 8 November 2026.

The 3 closest to this car in mileage:

• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, black. Mileage: 55,000 miles. Price: £3,995, £2,005 less than this car. Dealer: Wintry Cars in Harlow. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-f7173facc248
• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, black. Mileage: 26,700 miles. Price: £5,999, the same price as this car. Dealer: Shocars in Oldbury. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-2b90251bc695
• 2005 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, silver. Mileage: 75,550 miles. Price: £2,995, £3,005 less than 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, 25 miles from this car. Mileage: 82,000 miles. Price: £2,995, £3,005 less than this car. Dealer: Radlett Cars in Radlett. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2005-c41e2259ea10