2003 Mercedes-Benz SL

5.0 Auto RWD 2dr (306 bhp)

£29,950

Above the going rate: £16,538 over the typical £13,412 for this model, age and mileage, drawing on 365 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: SL
Version: 5.0 Auto RWD 2dr (306 bhp)
Mileage: 14,000 miles
Year: 2003
Fuel type: Petrol
Body type: Convertible
Engine: 5.0 L
Gearbox: Automatic
Power: 306 bhp
CO2: 304 g/km
Colour: Grey
Doors: 2
Driven wheels: Rear Wheel Drive
Engine badge: SL500

About this car

This 2003 Mercedes-Benz SL is advertised with 14,000 miles, approximately 50,200 below the typical mileage for its age. Its asking price of £29,950 is £16,538 above our estimate of £13,412. We use UK dealer asking prices, including 365 Mercedes-Benz SL listings, and account for the car’s age, mileage and specification. It first appeared in our advert records 148 days ago. Our records show an MOT expiry date of 6 April 2026, which has passed. Ask the dealer for an update. Its advertised mileage is consistent with the latest recorded MOT reading. You can find this car at Mayfair Prestige UK in City of Westminster.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 30 May 2026, 148 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observed	Asking price
31 May 2026	£29,950
14 July 2026	£29,950
23 October 2026	£29,950

Price and mileage comparison

Estimated market asking price: £13,412. The asking price is £16,538 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 365 adverts of this make and model across different ages and specifications.

Advertised mileage is approximately 50,200 miles lower than typical for a 2003 Mercedes-Benz SL.

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 not valid until 6 April 2026. 13,581 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £5,495 to £21,995.

Other matching cars (up to five, cheapest first)
Asking price	Mileage
£5,495	101,000 miles
£5,545	69,000 miles
£5,999	101,000 miles
£6,575	99,000 miles
£7,995	59,000 miles

These cars have covered 29,000–101,000 miles, compared with 14,000 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 SL cars for sale · 2003 Mercedes-Benz SL price guide

Vehicle photos

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