2003 Mercedes-Benz SLK 2.3 SLK230 Kompressor
Price: £4,499. Fair price: £86 (1%) over the AskCar estimate of £4,413, our expected asking price for this car from its model, age, mileage and specification, drawing on 399 priced Mercedes-Benz SLK adverts on AskCar as of 2 November 2026.
AskCar lists 457 used Mercedes-Benz SLK from 356 UK dealerships, as of 2 November 2026.
Overview
- Make: Mercedes-Benz
- Model: SLK
- Trim: Kompressor
- Version: 2.3 SLK230 Kompressor Auto RWD Euro 3 2dr (197 bhp)
- Year: 2003
- Mileage: 71,887 miles
- Fuel: Petrol
- Body: Convertible, 2 doors, 2 seats
- Engine: 2.3 litres, 197 bhp
- Gearbox: Automatic
- Drive: Rear-wheel drive
- Colour: Silver
- CO2: 235 g/km
- Emissions standard: Euro 3
About this car
This 2003 Mercedes-Benz SLK Kompressor has covered 71,887 miles. Its asking price of £4,499 is £86 above the AskCar estimate of £4,413. The AskCar estimate draws on 399 Mercedes-Benz SLK adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. This car was first seen in our listings data today. We checked its advertised mileage against the government's MOT record, and they match. It is for sale at Tynemouth Motor Co Select in North Shields. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £86 (1%) over the AskCar estimate of £4,413.
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 399 priced Mercedes-Benz SLK adverts across different ages and specifications, as of 2 November 2026.
Time on sale
AskCar first saw this 2003 Mercedes-Benz SLK advertised today.
Price history
AskCar first saw this advert on 2 November 2026 at £4,499. 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 2 November 2026: valid until 12 September 2027.
It has had 23 MOTs. The latest, on 17 August 2026, passed.
There were no advisories at the latest test.
Mileage at that test: 71,815 miles, which matches the advertised 71,887 miles.
Similar cars
3 other 2003 Mercedes-Benz SLK Kompressor 2.3 petrol automatic convertibles are for sale at UK dealers, from £2,495 to £3,850, as of 2 November 2026.
The 2 closest to this car in mileage:
- 2003 Mercedes-Benz SLK Kompressor, 2.3 petrol convertible, silver. Mileage: 95,432 miles. Price: £3,850, £649 less than this car. Dealer: Lutterworth Ride and Drive in Lutterworth. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2003-b30307744f86
- 2003 Mercedes-Benz SLK Kompressor, 2.3 petrol convertible, blue. Mileage: 127,000 miles. Price: £3,495, £1,004 less than this car. Dealer: Roberts Car Sales North West in Flint. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2003-94d1685ffe70
Browse all Mercedes-Benz SLK cars for sale · 2003 Mercedes-Benz SLK price guide
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Photos
12 photos of this car are on its AskCar page.
As of 2 November 2026, AskCar lists 586,270 cars and vans from 12,920 UK dealerships, read daily from dealer websites: over 99% of UK dealer used car adverts. No dealer pays to be listed.