Mercedes SL300 Valuation: 23 used car listings analysed

Market overviewPrices and data for March-2026: There are currently 23 used Mercedes SL300 (model years 1986 - 2005) available. Prices range from £3,990 to £48,000, with a median price of £6,990. The most common configuration on the market is a combination of convertible, petrol, and automatic, while the most popular trims include Classic. Market dynamics indicate that a vehicle sells in an average of 113 days, and 8.7% of listings have recently seen a price reduction (with discounts up to £1,000). Additionally, 0 vehicles are currently listed below market value. An indicator of durability: the inventory includes models with a mileage of up to 129,358 km (Source: 42 scanned sites).

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Interested in finding a great deal on a used Mercedes SL300?

Are you interested in getting a used ? Then the Mercedes SL300 is a popular choice. In total, there are 24 used Mercedes SL300s for sale on AutoUncle in the UK collected from various dealership websites and online marketplaces.

What should I pay for a used Mercedes SL300?

The oldest and cheapest Mercedes SL300 here on AutoUncle is available for £3,990, while a more new model with a higher trim level costs around £48,000.

The cost of a pre-owned Mercedes SL300 is determined by several factors. Key contributing elements include production year, engine size and power, fuel economy, number of miles not to mention the equipment level of the car.

For example, a younger car with fewer miles on the odometer typically costs more. Likewise, models at the premium end with luxurious features or potent engines tend to come with a more substantial price tag than, for example, an older model with more kilometres driven or with a lower equipment level.

What trim levels is the Mercedes SL300 available in?

The Mercedes SL300 has an equipment variant called Mercedes SL300 Classic.

As you examine the price of a used Mercedes SL300, it's necessary to examine vehicles that have the same engines and features. If you don't, you might draw an inaccurate conclusion about which car to acquire.

Which fuel variants are most in demand for the Mercedes SL300?

The most popular fuel type for the Mercedes SL300 is petrol.

When deciding on a fuel type, your driving habits should be a key consideration. Do you only use your car to get to and from work? Is the distance less than roughly 35 miles each way?

Electric cars, plug-in hybrids and petrol are great for short distances. For long daily driving, electric cars are a strong choice if you can charge. If you have a daily commute over longer distances, a modern electric car can be a great choice - especially if you have access to charging at home or at work. If you often drive long distances and can't charge, diesel can still be a viable option. It’s worth noting that diesel engines with high emissions are banned from entering cities in certain countries.

Does the Mercedes SL300 have multiple body styles?

The Mercedes SL300 is available in both cabriolet and coupe body styles, with the cabriolet being the more popular choice. A cabrio or a convertible is a fantastic way to give the driving experience a new dimension. These days, most cabrio models have excellent hoods and weather gear, making them suitable for driving year-round. It’s worth noting that convertibles tend to be heavier than normal cars due to the lack of roof, as thickener is applied underneath the car to strengthen the chassis.

AutoUncle's selection of Mercedes SL300 by body type and with price statistics

What other cars should I also know and consider?

Several vehicles that are similar to the Mercedes SL300 are available.

Most popular choices as an alternative to the Mercedes SL300

  • Ford Transit Custom
  • VW ID.3
  • Toyota Aygo X

With a current inventory of 4,152 available models on AutoUncle, the Ford Transit Custom stands out as the top alternative to the Mercedes SL300. Average listing price for the Ford Transit Custom is £14,999.

The VW ID.3 is another popular choice in this segment, with 1,622 cars for sale and an average price of £15,350. Another recommended alternative is Toyota Aygo X with 1,590 cars for sale an average price tag of £13,900.

Evaluating the option of an electric car?

Considering something greener than the Mercedes SL300? Check out these electric alternatives from the same segment::

Can't find an electric car that appeals to you? Browse our full range of electric cars here.