Mercedes S320 Valuation: 127 used car listings analysed

Market overviewFebruary Market Guide: A used Mercedes S320 in the UK typically costs between £2,000 and £13,950. The most sought-after versions of the Mercedes S320 are SE. Regarding durability, we see high-mileage examples reaching up to 181,000 miles. Currently, 5 Mercedes S320 listings are priced below the UK market average (based on 42 websites)

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Showing 1 - 25 of 127 results

How much does the Mercedes S320 depreciate?

Used Mercedes S320

A used Mercedes S320 (2007) model gains about £72 per month in value.


Factors that affect the appreciation of a Mercedes S320:
- Mileage
- Age of the vehicle
- Number of previous owners
- Accidents or damage history
- Trim level, equipment, and options


Appreciation is an important part of calculating the total value of owning a Mercedes S320. In addition to the monthly appreciation of £72, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly value.

How much does a used Mercedes S320 cost? Prices, ratings and depreciation by model year

How much does a used Mercedes S320 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2009 Mercedes S320

£4,950 - £18,500£10,76975,000 miles-£40< 10

2008 Mercedes S320

£3,190 - £14,990£8,72094,600 miles+£1,34016

2007 Mercedes S320

£3,995 - £12,495£8,247104,000 miles+£86017

2006 Mercedes S320

£3,850 - £14,495£8,197108,000 miles-£14014

*The 'Price range' column shows the prices at the 5th and 95th percentiles of cars in the current market

The data is based on the cars currently listed on AutoUncle

Last updated: 24 February 2026

Comparison of Mercedes S320 variants and prices

No market data available

Mercedes S320 (model year 2007) - Price development for the last 12 months and price projection for the next 6 months (February 2025 - July 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - February
£7,080
£4,940£9,200
Estimate
2025 - March
£7,120
£4,940£9,300
Estimate
2025 - April
£7,220
£5,040£9,400
Estimate
2025 - May
£7,320
£5,660£9,000
Estimate
2025 - June
£7,200
£5,460£8,940
Estimate
2025 - July
£7,300
£5,560£9,060
Estimate
2025 - August
£7,340
£5,620£9,060
Estimate
2025 - September
£7,460
£5,740£9,160
Estimate
2025 - October
£7,400
£5,380£9,420
Estimate
2025 - November
£7,560
£5,600£9,520
Estimate
2025 - December
£7,960
£6,040£9,860
Estimate
2026 - January
£7,940
£6,100£9,780
Estimate
2026 - March
£8,180
--
Forecast
2026 - April
£8,300
--
Forecast
2026 - May
£8,420
--
Forecast
2026 - June
£8,540
--
Forecast
2026 - July
£8,660
--
Forecast

All estimates and forecasts are based on actual market data

Last updated: 24 February 2026

Average Monthly Depreciation

A summary of the past 12 and an estimation of the next 6 months.

Past 12 months

£860

Next 6 months

£720

autouncle-certified

Price checked by AutoUncle

Super price

Good price

Fair price

A bit pricey

Expensive

Looking for the popular Mercedes S320 used?

Drawn to the Mercedes S320? For good reason, because the car is loved by many. AutoUncle features 122 avalable cars to choose from compiled from numerous dealership websites and online marketplaces.

How much does a used Mercedes S320 cost?

Currently, the prices for a pre-owned Mercedes S320 start at £2,000 and go up to £13,950.

There are five primary elements that affect what a used Mercedes S320 costs: the year, engine size and performance, fuel efficiency of the car, how much the car's odometer reads not to mention equipment level.

For example, a newer model with low mileage or a premium version equipped with a high-performance engine generally demands a higher price than an earlier version with less equipment and higher mileage.

How many equipment options are there for the Mercedes S320?

The Mercedes S320 has an equipment variant called Mercedes S320 SE.

As you considers the cost of a used Mercedes S320, it's fundamental to evaluate vehicles with equivalent engines and accessories. If not, you might draw an inaccurate conclusion about which car to buy.

Which fuel options are available for Mercedes S320?

The number one fuel selection for the Mercedes S320 is diesel.

Fuel types for Mercedes S320:

We urge you to take your driving habits into account before settling on a specific fuel type. Do you find yourself driving more in urban settings or on open highways and expressways? How much distance do you travel in an average week?

If you drive mostly short distances, range is not crucial - so electric, plug-in or petrol are obvious choices. For daily long journeys, electric cars make the most sense if you can charge easily. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. Diesel cars can still make sense if you drive very far and don't have access to charging. Take into account that several countries restrict high-emission diesel engines from their city zones.

What kind of car is the Mercedes S320?

The Mercedes S320 only comes in the sedan body type in the UK. Usually fitted with four doors, the saloon or sedan body type has been popular with families for a long time. With its versatile design, the saloon caters to a range of needs, from daily commutes to longer journeys, and remains a symbol of elegance and practicality in the automotive world.

What are the obvious alternatives in the same class as the Mercedes S320?

The Mercedes S320 is a mildly popular car within its segment but still it has some competitors.

Top competitors to the Mercedes S320

  • Jaguar XJ
  • Audi SQ5
  • Audi A8

With a selection of 257 available models on AutoUncle, the Jaguar XJ clearly stands out as the top alternative to the Mercedes S320. The Jaguar XJ comes with an average price of £6,995.

The Audi SQ5 is another popular pick, with 203 cars currently for sale and an average price of £21,495. Another recommended alternative is Audi A8 with 195 cars for sale an average price tag of £22,140.

Pondering the adoption of an electric car?

Considering something greener than the Mercedes S320? Check out these electric alternatives from the same segment::

Still no luck finding your preferred electric car? Take a look at all our available electric cars here.

All fuel types for Mercedes S320