2021 Mercedes-Benz C Class 3.0 C43 Premium Plus

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: Premium Plus
• Version: 3.0 C43 Night Ed Premium Plus 9G-Tronic 4WD Euro 6 2dr (384 bhp)
• Year: 2021
• Mileage: 26,851 miles
• Fuel: Petrol
• Body: 2 doors, 4 seats
• Engine: 3.0 litres, 384 bhp
• Gearbox: Automatic (9G-Tronic)
• Drive: Four-wheel drive
• Colour: Black
• CO2: 231 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

This 2021 Mercedes-Benz C Class Premium Plus has covered 26,851 miles, around 18,600 fewer miles than is typical for its age. Its asking price of £36,450 is £1,799 above the AskCar estimate of £34,651. To work out the AskCar estimate, we analyse UK dealer adverts for 4,524 Mercedes-Benz C Class cars across different ages and specifications. Since we first spotted the advert 20 days ago, the asking price has dropped by £1,500. Its advertised mileage matches the government's MOT record. The seller is Sytner Group Mercedes-Benz of Carlisle, based in Carlisle. How to contact the dealer and its opening hours are on this AskCar page.

Stock data as of 9 November 2026.

How we estimate prices and check cars

Price

Fair price: £1,799 (5%) over the AskCar estimate of £34,651.

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 4,524 priced Mercedes-Benz C Class adverts across different ages and specifications, as of 9 November 2026.

A 2021 Mercedes-Benz C Class with the 3.0 petrol engine is typically advertised at £32,000: the median of the 13 for sale on AskCar, as of 9 November 2026.

Time on sale

This 2021 Mercedes-Benz C Class has been on sale for at least 20 days.

Price history

AskCar first saw this advert on 20 October 2026 at £37,950. Its asking price is now £36,450, £1,500 less. The latest price cut was seen on 4 November 2026.

Price changes recorded:

• 20 October 2026: £37,950
• 4 November 2026: £36,450

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 9 November 2026: valid until 12 January 2027.

It failed its MOT on 22 December 2025 (offside rear inner tyre has ply or cords exposed worn to cords on edge) and passed later the same day.

Advisories at the latest test: offside front inner tyre worn close to legal limit/worn on edge worn on edge.

Mileage at that test: 24,251 miles, which matches the advertised 26,851 miles.

Advertised mileage is about 18,600 miles lower than the median mileage of a 2021 Mercedes-Benz C Class on AskCar.