2003 Mercedes-Benz SLK 2.3 SLK230 Kompressor
Price: £3,850. Fair price: £165 (4%) over the AskCar estimate of £3,685, 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: 95,432 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 95,432 miles. Priced at £3,850, it is advertised £165 above the AskCar estimate of £3,685. To work out the AskCar estimate, we analyse UK dealer adverts for 399 Mercedes-Benz SLK cars across different ages and specifications. We first recorded this car for sale today. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Lutterworth Ride and Drive, based in Lutterworth. How to contact the dealer and its opening hours are on this AskCar page.
Stock data as of 2 November 2026.
Price
Fair price: £165 (4%) over the AskCar estimate of £3,685.
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 £3,850. 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 6 May 2027.
It failed its MOT on 30 April 2026 (nearside rear coil spring fractured or broken; offside rear coil spring fractured or broken) and passed 7 days later, on 7 May 2026.
There were no advisories at the latest test.
Mileage at that test: 93,743 miles, which matches the advertised 95,432 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 £4,499, as of 2 November 2026.
The 2 closest to this car in mileage:
- 2003 Mercedes-Benz SLK Kompressor, 2.3 petrol convertible, silver. Mileage: 71,887 miles. Price: £4,499, £649 more than this car. Dealer: Tynemouth Motor Co Select in North Shields. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-2003-e6aa5e88fe07
- 2003 Mercedes-Benz SLK Kompressor, 2.3 petrol convertible, blue. Mileage: 127,000 miles. Price: £3,495, £355 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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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.