2006 Mercedes-Benz SLK 1.8 SLK200 Kompressor

Price: £2,598. Above the going rate: £348 (15%) over the AskCar estimate of £2,250, our expected asking price for this car from its model, age, mileage and specification, drawing on 417 priced Mercedes-Benz SLK adverts on AskCar as of 7 November 2026.

AskCar lists 471 used Mercedes-Benz SLK from 369 UK dealerships, as of 7 November 2026.

Overview

  • Make: Mercedes-Benz
  • Model: SLK
  • Trim: Kompressor
  • Version: 1.8 SLK200 Kompressor Auto RWD Euro 4 2dr (163 bhp)
  • Year: 2006
  • Mileage: 137,000 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
  • Emissions standard: Euro 4, ULEZ compliant

About this car

This 2006 Mercedes-Benz SLK Kompressor is advertised with 137,000 miles, approximately 62,000 above the typical mileage for its age. Priced at £2,598, it is advertised £348 above the AskCar estimate of £2,250. The AskCar estimate uses UK dealer asking prices, including 417 Mercedes-Benz SLK adverts, and accounts for the car’s age, mileage and specification. We have tracked this advert for 163 days. Its advertised mileage matches the government's MOT record. It is for sale at Sipson Cars in Harrow. 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

Above the going rate: £348 (15%) over the AskCar estimate of £2,250.

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 2006 Mercedes-Benz SLK with the 1.8 petrol engine is typically advertised at £3,500: the median of the 11 for sale on AskCar, as of 7 November 2026.

Time on sale

This 2006 Mercedes-Benz SLK has been on sale for at least 163 days.

Price history

AskCar first saw this advert on 28 May 2026 at £2,200. Its asking price is now £2,598, £398 more.

Price changes recorded:

  • 28 May 2026: £2,200
  • 4 July 2026: £1,900
  • 6 August 2026: £1,999
  • 4 November 2026: £2,598

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: valid until 22 November 2026.

It has had 22 MOTs. The latest, on 23 November 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 137,356 miles, which matches the advertised 137,000 miles.

Advertised mileage is about 62,000 miles higher than the median mileage of a 2006 Mercedes-Benz SLK on AskCar.

Similar cars

5 other 2006 Mercedes-Benz SLK Kompressor 1.8 petrol automatic convertibles are for sale at UK dealers, from £2,495 to £6,985, as of 7 November 2026.

The 3 closest to this car in mileage:

  • 2006 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, silver. Mileage: 116,000 miles. Price: £2,495, £103 less than this car. Dealer: Cars Club Cars Hub in Slough. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2006-e5a4a11a5d9e
  • 2006 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, silver. Mileage: 90,000 miles. Price: £3,490, £892 more than this car. Dealer: Auto Globe in Milton Keynes. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2006-cd69f2d62381
  • 2006 Mercedes-Benz SLK Kompressor, 1.8 petrol convertible, black. Mileage: 62,704 miles. Price: £3,795, £1,197 more than this car. Dealer: The Car Shop Dorchester in Dorchester. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2006-dd1b31a30853

Browse all Mercedes-Benz SLK cars for sale · 2006 Mercedes-Benz SLK price guide

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Photos

40 photos of this car are on its AskCar page.

As of 7 November 2026, AskCar lists 601,018 cars and vans from 12,892 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.