Live US dealer listings Median-priced benchmark Updated 2026-10-17
Market price · Used 2020 Mercedes-Benz C-Class 555 listings tracked

Used 2020 Mercedes-Benz C-Class Price in the US

A used 2020 Mercedes-Benz C-Class in the US typically lists for $20,545–$31,896, with a median asking price of $23,999 across 555 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $8,858, a 2020 C300 in Gardena, CA — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2020 Mercedes-Benz C-Class · asking prices555 listings
$15k$60k
Typical range
$20,545 – $31,896
Median
$23,999
Cheapest 5%
under $16,785
Cheapest listed now
$8,858

Browse by model year

typical price per year
More years (19)

Cheapest 10 listed right now

ranked by price
  1. 2020 Mercedes-Benz C-Class
    $8,858
    2020 Mercedes-Benz C-Class C300
    82,230 mi · Gardena, CA · Sur Motor Cars
    View listing →
  2. 2020 Mercedes-Benz C-Class
    $10,600
    2020 Mercedes-Benz C-Class C300-4M
    67,280 mi · Hollywood, FL · Elite Auto Auctions
    View listing →
  3. 2020 Mercedes-Benz C-Class
    $11,500
    2020 Mercedes-Benz C-Class C300
    121,921 mi · Escondido, CA · Socal Auto Gallery
    View listing →
  4. 2020 Mercedes-Benz C-Class
    $12,800
    2020 Mercedes-Benz C-Class C300-4M
    95,444 mi · Hollywood, FL
    View listing →
  5. 2020 Mercedes-Benz C-Class
    $13,140
    2020 Mercedes-Benz C-Class C300
    122,410 mi · Concord, CA · Concord Mazda
    View listing →
  6. $13,900
    2020 Mercedes-Benz C-Class C300
    109,421 mi · Loganville, GA · Lux Motors Loganville
    View listing →
  7. 2020 Mercedes-Benz C-Class
    $13,999
    2020 Mercedes-Benz C-Class C300-4M
    95,443 mi · West Babylon, NY · Unique Drive
    View listing →
  8. 2020 Mercedes-Benz C-Class
    $14,490
    2020 Mercedes-Benz C-Class C300
    131,745 mi · Alpharetta, GA · Avalon Auto
    View listing →
  9. 2020 Mercedes-Benz C-Class
    $14,495
    2020 Mercedes-Benz C-Class C300-4M
    100,222 mi · Attleboro, MA · State Line Auto Brokers, Inc
    View listing →
  10. 2020 Mercedes-Benz C-Class
    $14,616
    2020 Mercedes-Benz C-Class C300
    82,265 mi · Pacoima, CA · Karplus Warehouse
    View listing →

These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2020 Mercedes-Benz C-Class asks $20,545–$31,896. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2020 Mercedes-Benz C-Class cost?

A used 2020 Mercedes-Benz C-Class in the US typically lists for $20,545 to $31,896, with a median asking price of $23,999 across 555 active US dealer listings. Nine in ten are priced between $16,785 and $57,496 (as of 2026-10-17, source: UnderMarket Cars).

Is $24,000 a good price for a used 2020 Mercedes-Benz C-Class?

That sits at about the market median ($23,999) for a used 2020 Mercedes-Benz C-Class. Under $20,545 puts you in the cheapest quarter of active US listings and under $16,785 in the cheapest 5%; above $57,496 is the priciest 5% (as of 2026-10-17).

What is the cheapest used 2020 Mercedes-Benz C-Class for sale right now?

$8,858 — a 2020 Mercedes-Benz C-Class C300 in Gardena, CA, $15,141 under the median (as of 2026-10-17).

Are these MSRP or real asking prices?

Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.

How often are prices updated?

The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used 2020 Mercedes-Benz C-Class page is regenerated from it when it is requested. The figures on this page are from 2026-10-17.

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Prices updated 2026-10-17. Data covers active dealer listings across the USA.