Used (2026) Mercedes GLC300 AMG line 258 HP | Good price
GLC 2027 AMG Line 4Matic AMG Line
- 2026
- 4,000 miles
- Trim level: AMG line
- 3.0L Petrol
- SUV
- Automatic
- 258 HP (189 kW)
- CO2 emissions: 165 g CO2/km comb.
- 7.3 mpg
- Details
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Used Mercedes GLC300
Factors that affect the depreciation of a Mercedes GLC300:
- Mileage driven
- Maintenance
- Service history
Depreciation is an important part of calculating the total cost of owning a Mercedes GLC300. In addition to the monthly depreciation of £822, 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 |
|---|---|---|---|---|---|
2026 Mercedes GLC300 | £39,795 - £61,970 | £49,438 | 4,000 miles | -£3,400 | 61 |
2025 Mercedes GLC300 | £36,929 - £61,495 | £44,607 | 10,100 miles | -£9,400 | 63 |
2024 Mercedes GLC300 | £35,491 - £47,193 | £41,653 | 17,300 miles | -£5,900 | 48 |
2023 Mercedes GLC300 | £27,645 - £44,449 | £36,214 | 30,600 miles | -£9,860 | 112 |
2022 Mercedes GLC300 | £23,799 - £33,995 | £27,949 | 37,400 miles | -£4,480 | 62 |
2021 Mercedes GLC300 | £22,475 - £31,804 | £27,192 | 44,500 miles | -£3,820 | 45 |
2020 Mercedes GLC300 | £18,835 - £29,361 | £24,320 | 48,200 miles | -£4,160 | 96 |
2019 Mercedes GLC300 | £18,095 - £27,954 | £22,840 | 61,100 miles | -£3,120 | 33 |
*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
Variant | Price range* | Avg. Price | Median Mileage | Depreciation | Cars for sale |
|---|---|---|---|---|---|
Mercedes GLC300 Urban | £35,144 - £46,995 | £41,480 | 12,900 miles | -£6,820 | 14 |
📈 The best value Mercedes GLC300 AMG Line Premium Plus | £25,060 - £61,926 | £40,729 | 22,400 miles | +£6,660 | 84 |
🏆 The most popular Mercedes GLC300 AMG line | £21,800 - £51,858 | £34,434 | 28,400 miles | +£4,280 | 271 |
💰 The budget choice Mercedes GLC300 AMG Line Premium | £19,549 - £44,557 | £30,753 | 40,400 miles | -£2,800 | 145 |
*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
The AMG Line Premium is the cheapest entry point with an average price of £30,753.
There are the most AMG line for sale right now (271), which gives you the most options to choose from.
The AMG Line Premium Plus has held its price stable with minimal loss in value over the past year (+£6,660).
Month | Average market price | Lowest market price | Highest market price | Calculation method |
|---|---|---|---|---|
| 2025 - September | £45,140 | £38,980 | £51,280 | Estimate |
| 2025 - October | £44,880↘ | £40,780 | £48,980 | Estimate |
| 2025 - November | £44,100↘ | £40,160 | £48,020 | Estimate |
| 2025 - December | £43,180↘ | £39,100 | £47,280 | Estimate |
| 2026 - January | £41,840↘ | £38,380 | £45,280 | Estimate |
| 2026 - February | £40,140↘ | £36,480 | £43,800 | Estimate |
| 2026 - March | £38,960↘ | £35,800 | £42,100 | Estimate |
| 2026 - April | £40,600↗ | £37,080 | £44,120 | Estimate |
| 2026 - May | £40,600→ | £38,000 | £43,200 | Estimate |
| 2026 - June | £39,620↘ | £37,220 | £42,040 | Estimate |
| 2026 - July | £37,460↘ | £34,280 | £40,640 | Estimate |
| 2026 - August | £35,280↘ | £31,240 | £39,320 | Estimate |
| 2026 - October | £33,820↘ | - | - | Forecast |
| 2026 - November | £33,080↘ | - | - | Forecast |
| 2026 - December | £32,340↘ | - | - | Forecast |
| 2027 - January | £31,600↘ | - | - | Forecast |
| 2027 - February | £30,880↘ | - | - | Forecast |
All estimates and forecasts are based on actual market data
Average Monthly Depreciation
A summary of the past 12 and an estimation of the next 6 months.
Past 12 months
-£9,860
Next 6 months
-£4,400
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Are you interested in getting a used SUV? The Mercedes GLC300 is a great pick. On AutoUncle, you can find 371 used Mercedes GLC300s for sale in the UK compiled from numerous dealership websites and online marketplaces.
A used Mercedes GLC300 costs between £21,749 for the cheapest variant and £56,890 for the latest and most well-equipped model on AutoUncle.
The used car price of an Mercedes GLC300 is determined by a number of factors, the most important of which are year of production, engine capacity and power, fuel efficiency, how many miles the car has travelled not to mention equipment level.
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 car without special equipment and with many kilometres behind it.
While evaluating the cost of a pre-owned Mercedes GLC300, it's crucial to examine vehicles sharing identical trim level. Otherwise, you might draw an inaccurate conclusion about which car to purchase.
The predominant fuel variant for the Mercedes GLC300 is diesel.
Types of fuel for Mercedes GLC300:
Your driving tendencies should play a significant role in your fuel type selection. Is city driving or highway and motorway travel more common for you? What are your average miles driven per 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. 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. Diesel cars can still make sense if you drive very far and don't have access to charging. Keep in mind that diesel engines with high emissions have been banned from entering cities in a range of countries.
Stationcar is a favourite among drivers of the Mercedes GLC300. Estates, also known as station wagons, are popular in the current market because they offer the combination of excellent driving capabilities and the advantage of lots of space. Station wagons, SUVs and MPVs tend to be popular with active families.
There are various similar cars to the Mercedes GLC300.
Most popular choices as an alternative to the Mercedes GLC300
The Nissan Qashqai is a strong alternative to the Mercedes GLC300. It has an average sale price of £15,198 and right now you can find 6,484 for sale on AutoUncle.
The Kia Sportage is another popular pick, with 5,923 cars currently for sale and an average price of £22,000. The VW Tiguan is the third best alternative. There are currently 5,110 of this car for sale in the UK with an average sales price of £24,999.
Considering something greener than the Mercedes GLC300? Check out these electric alternatives from the same segment::
Still on the hunt for the right electric car? Review our entire selection of electric cars here.