2020 Mercedes-Benz C Class 4.0 C63 V8 BiTurbo AMG Premium Plus

Overview

• Make: Mercedes-Benz
• Model: C Class
• Trim: AMG Premium Plus
• Version: 4.0 C63 V8 BiTurbo AMG Premium Plus Auto RWD Euro 6 (s/s) 2dr Cabriolet SpdS MCT (469 bhp)
• Year: 2020
• Mileage: 32,000 miles
• Fuel: Petrol
• Body: Convertible, 2 doors, 4 seats
• Engine: 4.0 litres, 469 bhp
• Gearbox: Automatic
• Drive: Rear-wheel drive
• Colour: Grey
• CO2: 236 g/km
• Emissions standard: Euro 6, ULEZ compliant

About this car

With 32,000 miles on the clock, this 2020 Mercedes-Benz C Class AMG Premium Plus has done roughly 16,000 fewer miles than a typical 2020 Mercedes-Benz C Class. Priced at £39,990, it is advertised £1,869 above the AskCar estimate of £38,121. The AskCar estimate uses UK dealer asking prices, including 4,608 Mercedes-Benz C Class adverts, and accounts for the car’s age, mileage and specification. This car was first seen in our listings data 166 days ago. Our latest MOT record expired on 13 August 2026. Check the current position with the dealer. According to the government's MOT record, its advertised mileage is consistent with the latest test. You can find this car at ET motor group in Ongar. 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: £1,869 (4%) over the AskCar estimate of £38,121.

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 2020 Mercedes-Benz C Class with the 4.0 petrol engine is typically advertised at £44,200: the median of the 10 for sale on AskCar, as of 10 November 2026.

Time on sale

This 2020 Mercedes-Benz C Class has been on sale for at least 166 days.

Price history

AskCar first saw this advert on 28 May 2026 at £39,990. Its asking price has not changed.

Mileage and MOT

MOT, from the government's MOT records (DVSA, the Driver and Vehicle Standards Agency), as of 10 November 2026: the latest record we hold ran out on 13 August 2026; ask the dealer for the current MOT.

It failed its MOT on 17 July 2025 (front windscreen wiper blade defective both front; nearside front hydraulic brake calliper leaking) and passed later the same day.

Advisories at the latest test: front windscreen wiper blade defective both front; offside rear tyre slightly damaged/cracking or perishing; offside rear tyre worn close to legal limit/worn on edge both rear 3mm.

Mileage at that test: 30,746 miles, which matches the advertised 32,000 miles.

Advertised mileage is about 16,000 miles lower than the median mileage of a 2020 Mercedes-Benz C Class on AskCar.