Mercedes GLC300 (electric/petrol) • 171 cars with Valuation

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How much does the Mercedes GLC300 depreciate?

Used Mercedes GLC300

A used Mercedes GLC300 (2025) model loses about £473 per month in value.


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 £473, you should also factor in fuel costs, road tax, insurance and maintenance (including tyres and car washes) to get the full monthly cost.

How much does a used Mercedes GLC300 cost? Prices, ratings and depreciation by model year

How much does a used Mercedes GLC300 cost? Prices, ratings and depreciation by model year

Model year

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

2026 Mercedes GLC300

£44,990 - £69,323£56,9220 miles+£3,30057

2025 Mercedes GLC300

£40,824 - £62,971£48,0436,100 miles-£3,440138

2024 Mercedes GLC300

£39,209 - £50,614£44,01514,900 miles-£5,98027

2023 Mercedes GLC300

£33,290 - £43,897£39,22827,400 miles-£5,66065

2022 Mercedes GLC300

£22,410 - £36,490£29,20238,600 miles-£2,80058

2021 Mercedes GLC300

£21,268 - £32,404£28,27650,500 miles-£5,00028

2020 Mercedes GLC300

£19,755 - £32,153£25,48750,500 miles-£2,80067

2019 Mercedes GLC300

£18,745 - £28,219£23,65656,600 miles-£2,80031

*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

Comparison of Mercedes GLC300 variants and prices

Below you can compare prices and depreciation for the 4 most popular Mercedes GLC300 variants. The table is updated daily with data from the market in United Kingdom.

Comparison of Mercedes GLC300 variants and prices

Variant

Price range*

Avg. Price

Median Mileage

Depreciation
(12 mth.)

Cars for sale

📈 The best value

Mercedes GLC300 AMG Line Premium Plus

£29,517 - £67,157£49,5058,100 miles+£4,74090

Mercedes GLC300 Urban

£40,890 - £52,783£44,4465,400 miles-41
🏆 The most popular

Mercedes GLC300 AMG line

£20,770 - £57,965£38,13923,500 miles+£3,440192
💰 The budget choice

Mercedes GLC300 AMG Line Premium

£21,996 - £48,283£33,50334,600 miles-£480149

*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

Which variant should you choose?

💰 The budget choice

The AMG Line Premium is the cheapest entry point with an average price of £33,503.

🏆 The most popular

There are the most AMG line for sale right now (192), which gives you the most options to choose from.

📈 The best value

The AMG Line Premium Plus has held its price stable with minimal loss in value over the past year (+£4,740).

Mercedes GLC300 (model year 2025) - Price development for the last 10 months and price projection for the next 6 months (September 2025 - December 2026)

Monthly price data with average prices and price ranges

Month

Average market price

Lowest market price

Highest market price

Calculation method

2025 - September
£54,340
£51,100£57,560
Estimate
2025 - October
£51,840
£48,480£55,200
Estimate
2025 - November
£51,480
£48,760£54,200
Estimate
2025 - December
£49,500
£46,780£52,220
Estimate
2026 - January
£51,440
£46,360£56,520
Estimate
2026 - February
£54,000
£47,980£60,020
Estimate
2026 - March
£52,500
£47,680£57,320
Estimate
2026 - April
£53,040
£48,560£57,500
Estimate
2026 - May
£50,900
£47,140£54,640
Estimate
2026 - June
£48,660
£44,600£52,720
Estimate
2026 - August
£47,540
--
Forecast
2026 - September
£46,980
--
Forecast
2026 - October
£46,420
--
Forecast
2026 - November
£45,880
--
Forecast
2026 - December
£45,320
--
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

-£5,680

Next 6 months

-£3,340

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