2006 Mercedes-Benz SLK

3.0 SLK280 7G-Tronic Auto RWD Euro 4 2dr (231 bhp)

£4,495

Fair price: within 8% of the typical £4,637 for this model, age and mileage, drawing on 387 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: SLK
Version: 3.0 SLK280 7G-Tronic Auto RWD Euro 4 2dr (231 bhp)
Mileage: 76,000 miles
Year: 2006
Fuel type: Petrol
Body type: Convertible
Engine: 3.0 L
Gearbox: Automatic
Power: 231 bhp
Seats: 2
CO2: 227 g/km
Colour: Black
Doors: 2
Driven wheels: Rear Wheel Drive
Engine badge: SLK280
Emissions standard: Euro 4

About this car

This 2006 Mercedes-Benz SLK has covered 76,000 miles. Our estimated market asking price is £4,637. This car is advertised at £4,495, which is £142 below that figure. We use UK dealer asking prices, including 387 Mercedes-Benz SLK listings, and account for the car’s age, mileage and specification. The asking price is now £500 lower than when we first recorded the advert 104 days ago. Our records show an MOT expiry date of 26 August 2026, which has passed. Ask the dealer for an update. Its advertised mileage is consistent with the latest recorded MOT reading. It is for sale at Alexander Car Sales in Ongar.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 14 July 2026, 104 days ago. Advert duration calculated on 26 October 2026. Net asking-price reduction: £500 from the first recorded £4,995. 1 price reduction recorded, the latest observed on 8 August 2026.

Recorded asking prices
Date observed	Asking price
14 July 2026	£4,995
15 July 2026	£4,995
8 August 2026	£4,495
23 October 2026	£4,495

Price and mileage comparison

Estimated market asking price: £4,637. The asking price is £142 below this estimate.

The estimate uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It estimates an advertised price, not a confirmed sale price.

The pricing calculation includes 387 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 1,000 miles higher than typical for a 2006 Mercedes-Benz SLK.

The advertised mileage is consistent with the last MOT reading.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 26 August 2026. 67,241 miles at the last test.

9 other cars with the same year, trim, gearbox and fuel are for sale from £1,690 to £7,000.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£1,690	117,951 miles
£3,965	85,646 miles
£3,995	90,000 miles
£4,699	89,550 miles
£4,995	90,000 miles

These cars have covered 48,000–117,951 miles, compared with 76,000 miles for this car.

Matching year, trim, gearbox and fuel does not mean matching mileage or every specification. Our estimate adjusts for these differences using the wider market data.

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

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