Used (2020) Mercedes C300 AMG Line Premium 245 HP | Good price
- C-Class Coupe AMG Line Premium
- 2020
- 81,385 miles
- Trim level: AMG Line Premium
- 2.0L Diesel
- Coupe
- Automatic
- 245 HP (180 kW)
- CO2 emissions: 145 g CO2/km comb.
- mpg: 5.5
- Details
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Used Mercedes C300
Factors that affect the depreciation of a Mercedes C300:
- Mileage driven
- Maintenance
- Service history
Depreciation is an important part of calculating the total cost of owning a Mercedes C300. In addition to the monthly depreciation of £118, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.
Model year | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
2025 Mercedes C300 | £31,375 - £54,410 | £41,167 | 6,800 miles | -£9,440 | 20 |
2024 Mercedes C300 | £29,298 - £38,141 | £33,610 | 20,900 miles | -£12,260 | 13 |
2023 Mercedes C300 | £25,250 - £35,789 | £30,021 | 21,000 miles | -£3,400 | 23 |
2022 Mercedes C300 | £22,395 - £31,990 | £27,466 | 31,100 miles | -£4,440 | 11 |
2021 Mercedes C300 | £13,450 - £23,995 | £19,529 | 54,100 miles | -£5,400 | 17 |
2020 Mercedes C300 | £13,500 - £21,950 | £18,398 | 57,300 miles | -£2,140 | 38 |
2019 Mercedes C300 | £12,995 - £21,290 | £17,828 | 53,500 miles | -£1,420 | 105 |
2018 Mercedes C300 | £14,113 - £20,999 | £17,388 | 60,100 miles | -£1,780 | 38 |
2016 Mercedes C300 | £10,475 - £19,500 | £13,990 | 63,900 miles | -£360 | 20 |
2017 Mercedes C300 | £9,500 - £17,995 | £13,953 | 76,400 miles | -£1,960 | 14 |
2014 Mercedes C300 | £11,475 - £11,990 | £11,818 | 99,500 miles | - | < 10 |
2015 Mercedes C300 | £8,995 - £13,595 | £11,336 | 89,700 miles | -£2,060 | 13 |
*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: 11 April 2026
Variant | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
Mercedes C300 AMG Line Premium Plus | £10,989 - £53,220 | £25,053 | 46,300 miles | -£6,700 | 62 |
Mercedes C300 AMG Line Premium | £12,500 - £36,500 | £21,195 | 49,500 miles | -£4,620 | 113 |
🏆 The most popular Mercedes C300 AMG line | £12,000 - £29,349 | £18,763 | 53,900 miles | -£1,740 | 117 |
Mercedes C300 Sport Edition | £13,450 - £16,200 | £14,876 | 69,100 miles | - | < 10 |
Mercedes C300 Premium Plus | £9,995 - £19,000 | £14,286 | 67,800 miles | - | < 10 |
💰 The budget choice Mercedes C300 Premium | £9,500 - £16,998 | £13,558 | 60,300 miles | - | < 10 |
*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: 11 April 2026
The Premium is the cheapest entry point with an average price of £13,558.
Accuracy will improve as more cars from this variant become available
There are the most AMG line for sale right now (117), which gives you the most options to choose from.
The AMG line has held its price stable with minimal loss in value over the past year (-£1,740).
Month | Average market price | Lowest market price | Highest market price | Calculation method |
|---|---|---|---|---|
| 2025 - April | £19,580 | £17,980 | £21,160 | Estimate |
| 2025 - May | £19,620↗ | £18,020 | £21,220 | Estimate |
| 2025 - June | £19,380↘ | £17,940 | £20,820 | Estimate |
| 2025 - July | £19,260↘ | £17,800 | £20,740 | Estimate |
| 2025 - August | £19,400↗ | £17,960 | £20,840 | Estimate |
| 2025 - September | £19,440↗ | £17,820 | £21,040 | Estimate |
| 2025 - October | £19,260↘ | £17,620 | £20,900 | Estimate |
| 2025 - November | £19,180↘ | £17,540 | £20,840 | Estimate |
| 2025 - December | £19,040↘ | £17,420 | £20,640 | Estimate |
| 2026 - January | £18,840↘ | £17,340 | £20,340 | Estimate |
| 2026 - February | £18,600↘ | £17,140 | £20,060 | Estimate |
| 2026 - March | £18,160↘ | £16,660 | £19,640 | Estimate |
| 2026 - May | £17,700↘ | - | - | Forecast |
| 2026 - June | £17,480↘ | - | - | Forecast |
| 2026 - July | £17,260↘ | - | - | Forecast |
| 2026 - August | £17,040↘ | - | - | Forecast |
| 2026 - September | £16,820↘ | - | - | Forecast |
All estimates and forecasts are based on actual market data
Last updated: 11 April 2026
Average Monthly Depreciation
A summary of the past 12 and an estimation of the next 6 months.
Past 12 months
-£1,420
Next 6 months
-£1,340
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Are you interested in getting a used large sized family car? Look no further than the Mercedes C300 - an excellent choice! There are 310 used Mercedes C300s currently available on AutoUncle, each one collected from an online marketplace or dealership website.
Currently, the prices for a pre-owned Mercedes C300 start at £11,995 and go up to £36,990.
The cost of a pre-owned Mercedes C300 is determined by several factors. Key contributing elements include the year of the car, engine size and performance, fuel consumption of the car, mileage as well as the level of equipment in the car.
For instance, a more recent model with limited mileage, or a premium variant featuring a powerful engine, typically commands a higher price than, for example, an older car without special equipment and with many kilometres behind it.
When evaluating the costs of pre-owned Mercedes C300, it is essential only comparing the offers of cars with the same engine and equipment variant. Otherwise, you may end up reaching a wrong conclusion on which car to purchase.
The Mercedes C300 most commonly uses diesel as its fuel type.
Types of fuel:
We strongly advise considering your driving habits prior to choosing among the various fuel types. Are your driving routes predominantly in urban areas or on highways and motorways? What is your average weekly mileage?
For short trips, range is rarely a limitation, so electric, plug-in hybrid or petrol can be fine. For longer daily journeys, consider an electric car, especially if you have the option to charge at home or at work. For longer daily commutes, a modern electric car is often suitable - especially if you can charge at home or at work. Despite the rise of electric cars, diesel can still be useful for long journeys and lack of charging options. Note that certain countries have banned high-emission diesel engines from cities.
Stationcar is the preferred body type amongst drivers of the Mercedes C300. In the UK, estates, commonly referred to as station wagons, are in high demand due to their perfect blend of driving prowess and generous space. Active families often gravitate towards these, as well as SUVs and MPVs, for their versatility.
The Mercedes C300 has various competing cars from the same segment.
Most popular alternatives to the Mercedes C300
The best alternative to the Mercedes C300 is the MG ZS. There are 3,020 of this car for sale in the UK right now and the average selling price is £14,302.
The BMW 320 is another popular pick, with 2,407 cars currently for sale and an average price of £20,990. Another good choice for an alternative car is the Tesla Model 3 with 2,399 cars for sale for the average price of £17,790.
If you're considering an electric car in the same category as the Mercedes C300, here are some alternatives you might consider:
Haven't discovered an electric car that suits your preferences? Examine our full lineup of electric cars here.