2003 Mercedes-Benz SL

3.7 SL350 Auto RWD Euro 3 2dr (245 bhp)

£5,545

Far under the typical £7,843 for this model, age and mileage, drawing on 365 adverts of this make and model: £2,298 less. Worth asking why.

Overview

Make
Mercedes-Benz
Model
SL
Version
3.7 SL350 Auto RWD Euro 3 2dr (245 bhp)
Mileage
69,000 miles
Year
2003
Fuel type
Petrol
Body type
Convertible
Engine
3.7 L
Gearbox
Automatic
Power
245 bhp
Seats
2
CO2
281 g/km
Colour
Silver
Doors
2
Driven wheels
Rear Wheel Drive
Engine badge
SL350
Emissions standard
Euro 3

About this car

The advertised mileage for this 2003 Mercedes-Benz SL is 69,000 miles. At £5,545, this car is advertised £2,298 below our estimated market asking price of £7,843. This is a large difference, so check the price and vehicle details with the dealer. The estimate uses 365 UK dealer adverts for the Mercedes-Benz SL, with adjustments for age, mileage, trim, engine and other specifications. We first saw this car advertised 122 days ago. Its asking price has since fallen by £250. The latest MOT recorded 69,789 miles, above the advertised mileage. Check this with the dealer. The latest recorded MOT expiry date is 7 October 2026, which has passed. Confirm its status with the dealer. It is advertised by London Broadway Car Sales in St. Albans.

Stock data from 23 October 2026.

How we estimate prices and check cars

Price history

First seen on 24 June 2026, 122 days ago. Advert duration calculated on 24 October 2026. Net asking-price reduction: £250 from the first recorded £5,795. 5 price reductions recorded, the latest observed on 9 October 2026.

Recorded asking prices
Date observedAsking price
24 June 2026£5,795
7 July 2026£5,795
8 July 2026£5,755
10 July 2026£5,755
18 July 2026£5,715
5 August 2026£5,895
17 August 2026£5,855
2 September 2026£5,695
9 October 2026£5,545
23 October 2026£5,545

Price and mileage comparison

Estimated market asking price: £7,843. The asking price is £2,298 below 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 4,800 miles higher than typical for a 2003 Mercedes-Benz SL.

Mileage concern: the advertised mileage is below the last MOT reading; ask the dealer to explain.

The recorded MOT has expired; ask the dealer for an up-to-date MOT.

MOT

MOT valid until 7 October 2026. 69,789 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 priceMileage
£5,495101,000 miles
£5,999101,000 miles
£6,57599,000 miles
£7,99559,000 miles
£7,99982,500 miles

These cars have covered 14,000–101,000 miles, compared with 69,000 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

How to contact the dealer, its opening hours and the cheaper cars like this one are on this AskCar page.

Vehicle photos

AskCar lists 589,789 cars from 13,079 UK dealer locations, read and updated daily from dealer websites. More than any other UK site. No dealer pays to be listed.