2003 Mercedes-Benz SL

5.0 SL500 Auto RWD Euro 3 2dr (306 bhp)

£8,990

Fair price: within 8% of the typical £8,592 for this model, age and mileage, drawing on 365 adverts of this make and model.

Overview

Make: Mercedes-Benz
Model: SL
Version: 5.0 SL500 Auto RWD Euro 3 2dr (306 bhp)
Mileage: 83,767 miles
Year: 2003
Fuel type: Petrol
Body type: Convertible
Engine: 5.0 L
Gearbox: Automatic
Power: 306 bhp
Seats: 2
CO2: 304 g/km
Colour: Silver
Doors: 2
Driven wheels: Rear Wheel Drive
Engine badge: SL500
Emissions standard: Euro 3

About this car

This 2003 Mercedes-Benz SL is advertised with 83,767 miles, approximately 19,500 above the typical mileage for its age. Its asking price of £8,990 is £398 above our estimate of £8,592. Our estimate draws on 365 Mercedes-Benz SL adverts across the UK, adjusting for age, mileage, trim, engine and other specifications. We first recorded this car for sale 35 days ago. MOT records show an expiry date of 16 August 2027, and the latest recorded mileage is consistent with the advert. It is advertised by Gladius Motors in Gloucester.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 20 September 2026, 35 days ago. Advert duration calculated on 25 October 2026.

Recorded asking prices
Date observed	Asking price
20 September 2026	£8,990
23 October 2026	£8,990

Price and mileage comparison

Estimated market asking price: £8,592. The asking price is £398 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 19,500 miles higher than typical for a 2003 Mercedes-Benz SL.

The advertised mileage is consistent with the last MOT reading.

MOT

MOT valid until 16 August 2027. 83,693 miles at the last test.

18 other cars with the same year, trim, gearbox and fuel are for sale from £5,495 to £29,950.

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 14,000–101,000 miles, compared with 83,767 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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