2006 Mercedes-Benz SLK 3.0 SLK280

Overview

• Make: Mercedes-Benz
• Model: SLK
• Version: 3.0 SLK280 7G-Tronic Auto RWD Euro 4 2dr (231 bhp)
• Year: 2006
• Mileage: 76,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 3.0 litres, 231 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 227 g/km
• Emissions standard: Euro 4, ULEZ compliant

About this car

This 2006 Mercedes-Benz SLK is advertised with 76,000 miles, approximately 3,000 above the typical mileage for its age. The AskCar estimate for this car is £4,722. It is priced at £4,495, which is £227 below that estimate. 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 first saw this car advertised 117 days ago. Its asking price has since fallen by £500. Our records show an MOT expiry date of 26 August 2026, which has passed. Ask the dealer for an update. According to the government's MOT record, its advertised mileage is consistent with the latest test. It is for sale at Alexander Car Sales in Ongar. 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

Fair price: £227 (4%) under the AskCar estimate of £4,722.

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.

Time on sale

This 2006 Mercedes-Benz SLK has been on sale for at least 117 days.

Price history

AskCar first saw this advert on 14 July 2026 at £4,995. Its asking price is now £4,495, £500 less. The latest price cut was seen on 8 August 2026.

Price changes recorded:

• 14 July 2026: £4,995
• 8 August 2026: £4,495

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 26 August 2026; ask the dealer for the current MOT.

It has had 18 MOTs. The latest, on 27 August 2025, passed.

Advisories at the latest test: lower oil leak, but not excessive; nearside rear brake pipe corroded, covered in grease or other material rear section of front to rear brake pipes corroded.

Mileage at that test: 67,241 miles, which matches the advertised 76,000 miles.

Advertised mileage is about 3,000 miles higher than the median mileage of a 2006 Mercedes-Benz SLK on AskCar.