Motoring Today

Mercedes-Benz C-Class under £20,000

4 used Mercedes-Benz C-Class for sale from £12,999 — every car priced under £20,000. Compare ULEZ, mileage and finance side by side.

The Mercedes-Benz C-Class is available from just £4,500 on Motoring.Today, with a total of 3 models currently in stock under £20,000 as of 29 July 2026. For those considering finance, representative examples start from £109 per month; please note that finance options are subject to status. Your budget for a cash-price Mercedes-Benz C-Class typically provides access to models from between 2013 and 2017. These cars offer a refined driving experience, often praised for their comfortable interiors and advanced technology for their respective eras.

Available now
4
under £20,000
Cheapest
£12,999
In budget
Mercedes-Benz C-Class
Fair price

Mercedes-Benz C-Class

2017 C 200 Amg Line Premium Auto

PetrolAutomatic93,731 mi2017
£200/yr
£299/mo
£12,999
cash

CG Motorland·4.5 (202)· Leicester

Mercedes-Benz C-Class
Good price

Mercedes-Benz C-Class

2016 C250 D Amg Line Premium+ Auto

DieselAutomatic50,690 mi2016
Band C · £35/yr
£337/mo
£14,799
cash

AB Dealers·4.6 (196)· Feltham

Mercedes-Benz C-Class
Good price

Mercedes-Benz C-Class

2017 C 250 Amg Line D Auto

DieselAutomatic49,143 mi2017
Band D · £170/yr
£350/mo
£15,499
cash

AB Dealers·4.6 (196)· Feltham

Mercedes-Benz C-Class
Fair price

Mercedes-Benz C-Class

2016 C 200 Amg Line Premium+ Auto

PetrolAutomatic53,634 mi2016
Band E · £200/yr
£367/mo
£16,411
cash

CG Motorland·4.5 (202)· Leicester

Frequently asked questions

What Mercedes-Benz C-Class models can I get for under £20,000?
Currently, we have 3 Mercedes-Benz C-Class models available under £20,000. Prices start from £4,500, and these typically range from model years 2013 to 2017, offering a good selection of previous generation C-Class vehicles.
Is finance available for a Mercedes-Benz C-Class at this cash price?
Yes, finance can be arranged, even for C-Class models under £20,000. For example, a representative Hire Purchase (HP) agreement could be available from £109 per month, subject to status.
What should I check on a Mercedes-Benz C-Class at this price point?
Always review the full MOT history and any advisories shown on our listings. It's also crucial to inspect the service history and consider the car's mileage in relation to its age, as these factors impact future maintenance and running costs.