2021 Mercedes-Benz C Class 3.0

Overview

• Make: Mercedes-Benz
• Model: C Class
• Version: 3.0 Auto 4WD Euro 6 4dr (384 bhp)
• Year: 2021
• Mileage: 61,685 miles
• Fuel: Petrol
• Body: Saloon, 4 doors, 5 seats
• Engine: 3.0 litres, 384 bhp
• Gearbox: Automatic
• Drive: Four-wheel drive
• Colour: Grey
• CO2: 225 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz C Class has covered 61,685 miles, around 16,500 more miles than is typical for its age. Priced at £27,995, it is advertised £379 above the AskCar estimate of £27,616. To work out the AskCar estimate, we analyse UK dealer adverts for 4,608 Mercedes-Benz C Class cars across different ages and specifications. The dealer may accept less: this car has been on sale for at least 159 days, and its asking price has been cut by £3,150. According to the government's MOT record, its advertised mileage is consistent with the latest test. The seller is Sandown Group Mercedes-Benz of Guildford, based in Guildford. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 10 November 2026.

How we estimate prices and check cars

Price

Fair price: £379 (1%) over the AskCar estimate of £27,616.

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 4,608 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 10 November 2026.

A 2021 Mercedes-Benz C Class with the 3.0 petrol engine is typically advertised at £31,500: the median of the 16 for sale on AskCar, as of 10 November 2026.

Time on sale

The dealer may accept less. This 2021 Mercedes-Benz C Class has been on sale for at least 159 days, and its asking price has been cut by £3,150. About half of 2021 Mercedes-Benz C Class cars are gone from sale within a month of being advertised: 121 of the 228 first advertised between 11 July 2026 and 7 October 2026.

Price history

AskCar first saw this advert on 4 June 2026 at £31,145. Its asking price is now £27,995, £3,150 less. The latest price cut was seen on 10 November 2026.

Price changes recorded:

• 4 June 2026: £31,145
• 10 July 2026: £30,645
• 17 July 2026: £30,145
• 17 August 2026: £29,645
• 10 November 2026: £27,995

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: valid until 26 March 2027.

It failed its MOT on 24 March 2026 (offside front road wheel fractured) and passed 2 days later, on 26 March 2026.

Advisories at the latest test: welding repair to nearside front wheel; oil leak, but not excessive engine; nearside rear shock absorbers has light misting of oil; and 1 more.

Mileage at that test: 58,200 miles, which matches the advertised 61,685 miles.

Advertised mileage is about 16,500 miles higher than the median mileage of a 2021 Mercedes-Benz C Class on AskCar.