2018 Mercedes GLS350 • Compare 6 used cars with valuation

Market overview: Price Analysis (October-2026): A used 2018 Mercedes GLS350 typically costs between £20,710 and £34,366 • On average, used 2018 Mercedes GLS350 cars have covered 73,995 miles – with a few high-mileage examples reaching up to 140,500 miles • Depreciation and price trends over the last 12 months for the 2018 Mercedes GLS350 stand at £0.