1999 Mercedes-Benz SLK

2.3 Kompressor Auto 5dr

£6,995

Fair price: within 8% of the typical £6,640 for this model, age and mileage, drawing on 388 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: SLK
Trim: KOMPRESSOR
Version: 2.3 Kompressor Auto 5dr
Mileage: 39,143 miles
Year: 1999
Fuel type: Petrol
Body type: Convertible
Engine: 2.3 L
Gearbox: Automatic
Seats: 2
Colour: Silver
Doors: 5

About this car

This 1999 Mercedes-Benz SLK Kompressor is advertised with 39,143 miles on the clock. At £6,995, it is advertised £355 above our estimated market asking price of £6,640. To estimate its market asking price, we analyse UK dealer adverts for 388 Mercedes-Benz SLK cars across different ages and specifications. It first appeared in our advert records 1 day ago. Its MOT is recorded as valid until 13 October 2027. The advertised mileage is consistent with the latest MOT reading. It is advertised by Autocars in Hull.

Stock data from 29 October 2026.

How we estimate prices and check cars

Price history

First seen on 29 October 2026, 1 days ago. Advert duration calculated on 30 October 2026.

Recorded asking prices
Date observed	Asking price
29 October 2026	£6,995

Price and mileage comparison

Estimated market asking price: £6,640. The asking price is £355 above 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 388 adverts of this make and model across different ages and specifications.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 13 October 2027. 39,121 miles at the last test.

2 other cars with the same year, trim, gearbox and fuel are for sale from £3,995 to £6,990.

Other matching cars
Asking price	Mileage
£3,995	56,680 miles
£6,990	34,399 miles

These cars have covered 34,399–56,680 miles, compared with 39,143 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 · 1999 Mercedes-Benz SLK price guide

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