2020 Mercedes GLC300de • Compare 6 used cars with valuation

Market overview: Price Analysis (October-2026): A used 2020 Mercedes GLC300de typically costs between £19,116 and £24,996 • On average, used 2020 Mercedes GLC300de cars have covered 57,056 miles – with a few high-mileage examples reaching up to 86,687 miles • Depreciation and price trends over the last 12 months for the 2020 Mercedes GLC300de stand at -£800.