1998 Mercedes-Benz SLK 2.3 Kompressor

Overview

• Make: Mercedes-Benz
• Model: SLK
• Trim: Kompressor
• Version: 2.3 Kompressor Auto RWD Euro 2 2dr (193 bhp)
• Year: 1998
• Mileage: 22,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 2.3 litres, 193 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Silver
• Emissions standard: Euro 2

About this car

This 1998 Mercedes-Benz SLK Kompressor is advertised with 22,000 miles on the clock. The dealer is asking £8,497, which is £51 above the AskCar estimate of £8,446. To work out the AskCar estimate, we analyse UK dealer adverts for 417 Mercedes-Benz SLK cars across different ages and specifications. This car was first seen in our listings data 125 days ago. The latest recorded MOT expiry date is 18 September 2026, which has passed. Confirm its status with the dealer. We checked its advertised mileage against the government's MOT record, and they match. It is advertised by Car Kultur in Aylesbury. 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: £51 (under 1%) over the AskCar estimate of £8,446.

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 1998 Mercedes-Benz SLK has been on sale for at least 125 days.

Price history

AskCar first saw this advert on 6 July 2026 at £7,999. Its asking price is now £8,497, £498 more.

Price changes recorded:

• 6 July 2026: £7,999
• 8 July 2026: £8,999
• 8 August 2026: £8,499
• 2 October 2026: £7,750
• 6 October 2026: £6,997
• 27 October 2026: £8,497

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 18 September 2026; ask the dealer for the current MOT.

It has had 23 MOTs. The latest, on 2 September 2025, passed.

There were no advisories at the latest test.

Mileage at that test: 21,655 miles, which matches the advertised 22,000 miles.

Similar cars

1 other 1998 Mercedes-Benz SLK Kompressor 2.3 petrol automatic convertible is for sale at UK dealers, as of 8 November 2026.

The closest to this car in mileage:

• 1998 Mercedes-Benz SLK Kompressor, 2.3 petrol convertible, silver. Mileage: 89,000 miles. Price: £2,295, £6,202 less than this car. Dealer: AutoMart Car Sales in Sunbury-on-Thames. AskCar page: https://askcar.co.uk/car/mercedes-benz-slk-1998-51f5a6f89389