2021 Mercedes-Benz GLC 2.0 AMG Line Premium

Overview

• Make: Mercedes-Benz
• Model: GLC
• Trim: AMG Line Premium
• Version: 2.0 AMG Line Premium Auto 4WD Euro 6 5dr
• Year: 2021
• Mileage: 69,003 miles
• Fuel: Diesel
• Body: 5 doors, 5 seats
• Engine: 2.0 litres
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 172 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz GLC AMG Line Premium has covered 69,003 miles, around 20,800 more miles than is typical for its age. Priced at £22,500, it is advertised £769 below the AskCar estimate of £23,269. The AskCar estimate uses 2,814 UK dealer adverts for the Mercedes-Benz GLC, with adjustments for age, mileage, trim, engine and other specifications. Since we first spotted the advert 24 days ago, the asking price has dropped by £500. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sytner Select Swindon, based in Swindon. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 8 November 2026.

How we estimate prices and check cars

Price

Fair price: £769 (3%) under the AskCar estimate of £23,269.

The AskCar estimate is our expected asking price for this car. It uses UK dealer asking prices, accounting for make, model, trim, version, age, mileage, fuel, gearbox, body type, driven wheels, engine size and power. It is an advertised price, not a confirmed sale price.

It draws on 2,814 priced Mercedes-Benz GLC adverts across different ages and specifications, as of 8 November 2026.

A 2021 Mercedes-Benz GLC with the 2.0 diesel engine is typically advertised at £24,800: the median of the 126 for sale on AskCar, as of 8 November 2026.

Time on sale

This 2021 Mercedes-Benz GLC has been on sale for at least 24 days.

Price history

AskCar first saw this advert on 15 October 2026 at £23,000. Its asking price is now £22,500, £500 less. The latest price cut was seen on 20 October 2026.

Price changes recorded:

• 15 October 2026: £23,000
• 20 October 2026: £22,500

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 8 November 2026: valid until 28 March 2027.

It has had 3 MOTs. The latest, on 19 March 2026, passed.

There were no advisories at the latest test.

Mileage at that test: 59,202 miles, which matches the advertised 69,003 miles.

Advertised mileage is about 20,800 miles higher than the median mileage of a 2021 Mercedes-Benz GLC on AskCar.