MERCEDES-BENZ C CLASS SALOON (2018-21) C300DE 4DR SALOON 2.0D PIH 13.5KWH 306 DPFR SS EU6 AMG LINE EDITION PREMIUM 9G-T+ AUTO

Buyer's Guide & Data from our Checks
The Mercedes-Benz C Class Saloon (2018-21), specifically the C300DE 4DR Saloon, is a premium executive car that fits into the compact luxury sedan segment in the UK market. Known for its sleek design, comfort, and advanced features, this model appeals to professionals, style-conscious drivers, and those seeking a refined driving experience. Mycarcheck.com data shows a decent sample size of 169 lookups across 68 VINs, indicating steady interest in this vehicle market, with an average valuation of around £30,300 and typical mileage of about 58,000 miles. It’s a car often used for commuting or family trips, combining practicality with luxury.
This particular version of the C-Class is notable for its plug-in hybrid powertrain, which combines a 2.0D diesel engine with a 13.5 kWh battery, offering impressive fuel economy and low emissions (EU6 compliant). It is tailored for those wanting a stylish, efficient, and technologically advanced vehicle, standing out for its sporty AMG Line styling and premium features. Its reputation for reliability, comfort, and driving refinement makes it a strong rival to other luxury saloons like the BMW 3 Series or Audi A4.
Compared to its rivals, the C300DE is praised for its balance of performance and efficiency, making it ideal for daily drivers who value a premium badge and a smooth, refined ride. It’s best suited for confident drivers or professionals who want a car that combines elegance, innovative hybrid technology, and low running costs. The model’s popularity in used car markets reflects its reputation as a well-rounded, prestigious choice in the used luxury saloon segment.
Key Findings
The following statistics are drawn from our checks of 68 different vehicles, run between February 19th 2021 and December 31st 2025. These real-world insights provide context for this vehicle's place in the market, as well as its typical usage.
169
Lookups
Lookups
3
Hidden Histories
Hidden Histories
71k
Average Mileage
Average Mileage
£30,300
Average Valuation
Average Valuation












