2003 Mercedes-Benz SL 3.7 SL350

Overview

• Make: Mercedes-Benz
• Model: SL
• Version: 3.7 SL350 Auto RWD Euro 3 2dr (245 bhp)
• Year: 2003
• Mileage: 101,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 2 seats
• Engine: 3.7 litres, 245 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Black
• CO2: 281 g/km
• Emissions standard: Euro 3

About this car

This 2003 Mercedes-Benz SL has covered 101,000 miles. Priced at £5,999, it is advertised £296 above the AskCar estimate of £5,703. The AskCar estimate uses UK dealer asking prices, including 371 Mercedes-Benz SL adverts, and accounts for the car’s age, mileage and specification. We first recorded this car for sale 43 days ago. Ask the dealer why the advert shows fewer miles than the 101,689 recorded at the latest MOT. Our records show an MOT expiry date of 5 March 2026, which has passed. Ask the dealer for an update. You can find this car at Stewart Vehicles in Newton Abbot. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 7 November 2026.

How we estimate prices and check cars

Price

Fair price: £296 (5%) over the AskCar estimate of £5,703.

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 371 priced Mercedes-Benz SL adverts across different ages and specifications, as of 7 November 2026.

Time on sale

This 2003 Mercedes-Benz SL has been on sale for at least 43 days.

Price history

AskCar first saw this advert on 25 September 2026 at £5,999. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 7 November 2026: the latest record we hold ran out on 5 March 2026; ask the dealer for the current MOT.

It failed its MOT on 6 March 2025 (windscreen wiper does not clear the windscreen effectively) and passed later the same day.

Advisories at the latest test: nearside front tyre worn close to legal limit/worn on edge BAdly perished; offside front tyre worn close to legal limit/worn on edge BAdly perished; offside rear tyre worn close to legal limit/worn on edge BAdly perished; and 2 more.

Mileage at that test: 101,689 miles. The advert says 101,000 miles, fewer than the MOT record, so ask the dealer which is right.

Advertised mileage is about 36,800 miles higher than the median mileage of a 2003 Mercedes-Benz SL on AskCar.