Live US dealer listings Median-priced benchmark Updated 2026-10-17
Market price · Used 2021 Mercedes-Benz C-Class 348 listings tracked

Used 2021 Mercedes-Benz C-Class Price in the US

A used 2021 Mercedes-Benz C-Class in the US typically lists for $22,063–$31,228, with a median asking price of $25,101 across 348 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $9,745, a 2021 C300-4M in Vienna, VA — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2021 Mercedes-Benz C-Class · asking prices348 listings
$15k$60k
Typical range
$22,063 – $31,228
Median
$25,101
Cheapest 5%
under $17,132
Cheapest listed now
$9,745

Browse by model year

typical price per year
More years (19)

Cheapest 10 listed right now

ranked by price
  1. 2021 Mercedes-Benz C-Class
    $9,745
    2021 Mercedes-Benz C-Class C300-4M
    180,974 mi · Vienna, VA · Koons Tysons Toyota
    View listing →
  2. $13,995
    2021 Mercedes-Benz C-Class C300
    104,439 mi · Alvin, TX · 35 Motors
    View listing →
  3. 2021 Mercedes-Benz C-Class
    $14,900
    2021 Mercedes-Benz C-Class C300-4M
    109,134 mi · Burlington, NJ · GTA Motors LLC
    View listing →
  4. 2021 Mercedes-Benz C-Class
    $14,995
    2021 Mercedes-Benz C-Class C300
    121,430 mi · La Habra, CA · Metro Auto
    View listing →
  5. 2021 Mercedes-Benz C-Class
    $14,995
    2021 Mercedes-Benz C-Class C300
    124,074 mi · Clearwater, FL · Beyond Motors FL
    View listing →
  6. 2021 Mercedes-Benz C-Class
    $14,995
    2021 Mercedes-Benz C-Class C300-4M
    123,184 mi · Michigan City, IN · Reliable Cars Sales
    View listing →
  7. 2021 Mercedes-Benz C-Class
    $14,995
    2021 Mercedes-Benz C-Class C300
    81,132 mi · Tampa, FL · Aprils Auction Autos
    View listing →
  8. 2021 Mercedes-Benz C-Class
    $15,666
    2021 Mercedes-Benz C-Class C300
    119,537 mi · Gilroy, CA · Hyundai of Gilroy
    View listing →
  9. 2021 Mercedes-Benz C-Class
    $16,098
    2021 Mercedes-Benz C-Class C300
    77,000 mi · Tampa, FL · Maxa Ride
    View listing →
  10. 2021 Mercedes-Benz C-Class
    $16,314
    2021 Mercedes-Benz C-Class C300-4M
    119,103 mi · Greeley, CO · Ken Garff Ford Greeley
    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 2021 Mercedes-Benz C-Class asks $22,063–$31,228. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2021 Mercedes-Benz C-Class cost?

A used 2021 Mercedes-Benz C-Class in the US typically lists for $22,063 to $31,228, with a median asking price of $25,101 across 348 active US dealer listings. Nine in ten are priced between $17,132 and $59,993 (as of 2026-10-17, source: UnderMarket Cars).

Is $25,000 a good price for a used 2021 Mercedes-Benz C-Class?

That sits at about the market median ($25,101) for a used 2021 Mercedes-Benz C-Class. Under $22,063 puts you in the cheapest quarter of active US listings and under $17,132 in the cheapest 5%; above $59,993 is the priciest 5% (as of 2026-10-17).

What is the cheapest used 2021 Mercedes-Benz C-Class for sale right now?

$9,745 — a 2021 Mercedes-Benz C-Class C300-4M in Vienna, VA, $15,356 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 2021 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.