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2021 Mercedes-Benz C 300 market value, prices & key facts

What dealers are asking for the 2021 Mercedes-Benz C 300 right now, from 18 current listings at 18 dealerships across 10 states, with EPA fuel economy, NHTSA safety ratings and recalls for this model year.

Asking prices of current listings · AutosXchange live dealer listings, November 11, 2026 · not sold prices

2021 Mercedes-Benz C 300
2021 Mercedes-Benz C 300 · Photo from a listing on AutosXchange
18Listings for sale now
$26,237Median asking price
$20,082–$30,847Typical range (10th–90th percentile)
49,882Median miles (18 listings with odometer)
18Dealerships listing it
In brief

2021 Mercedes-Benz C 300 overview

AutosXchange has 18 listed now, with a median asking price of $26,237 and median 49,882 miles.

Market snapshot

2021 Mercedes-Benz C 300: the market right now

Half of the 18 listings ask between $23,059 and $28,042.

$23,05925th percentile asking price
$26,237Median asking price
$28,04275th percentile asking price
49,882Median miles (middle half 34,536–60,630)
2Listings with a price cut since first listed
18Cities with listings

New vs. used (by odometer)

New or demo (under 100 mi): 0Used (100+ mi): 18

Top cities by supply

2021 Mercedes-Benz C 300 listings by cityHuntsville, AL: 1 listings, median $28,323; Anaheim, CA: 1 listings, median $28,167; El Dorado Hills, CA: 1 listings, median $24,283; Indio, CA: 1 listings, median $31,900; Tamarac, FL: 1 listings, median $22,447; Schererville, IN: 1 listings, median $26,717; Boxborough, MA: 1 listings, median $30,395; Sharon, MA: 1 listings, median $20,097.Huntsville, ALHuntsville, AL: 1 · median $28.3k1 · median $28.3kAnaheim, CAAnaheim, CA: 1 · median $28.2k1 · median $28.2kEl Dorado Hills, CAEl Dorado Hills, CA: 1 · median $24.3k1 · median $24.3kIndio, CAIndio, CA: 1 · median $31.9k1 · median $31.9kTamarac, FLTamarac, FL: 1 · median $22.4k1 · median $22.4kSchererville, INSchererville, IN: 1 · median $26.7k1 · median $26.7kBoxborough, MABoxborough, MA: 1 · median $30.4k1 · median $30.4kSharon, MASharon, MA: 1 · median $20.1k1 · median $20.1k
Price vs. mileage

2021 Mercedes-Benz C 300: asking price vs. mileage

On the trend line, every 10,000 more miles goes with about $1,080 lower asking price.

2021 Mercedes-Benz C 300 asking price vs. mileageScatter of 15 current 2021 Mercedes-Benz C 300 listings (asking price against odometer miles), with a least-squares trend line of about $-1,080 per 10,000 miles.$20k$22.5k$25k$27.5k$30k$32.5k010k20k30k40k50k60k70kOdometer (miles)Asking price
Price distribution

2021 Mercedes-Benz C 300: how asking prices are spread

Half of listings ask between $23,059 and $28,042; the most common band is $20,000–$21,000 (2 listings).

2021 Mercedes-Benz C 300 asking price distributionHistogram of 18 current 2021 Mercedes-Benz C 300 asking prices in 14 bins of $1,000; median $26,237.01122$18k–$19k: 1 listing (includes 1 below $18k)$19k–$20k: 0 listings$20k–$21k: 2 listings$21k–$22k: 0 listings$22k–$23k: 2 listings$23k–$24k: 1 listing$24k–$25k: 2 listings$25k–$26k: 1 listing$26k–$27k: 2 listings$27k–$28k: 2 listings$28k–$29k: 2 listings$29k–$30k: 0 listings$30k–$31k: 1 listing$31k–$32k: 2 listings≤$18k$21k$24k$27k$30k$32kMedian $26,237Asking price (bar height = number of listings)
Where they are listed

2021 Mercedes-Benz C 300: listings by state

Pennsylvania has the most, with 4 listings (22% of 18).

2021 Mercedes-Benz C 300 listings by stateNumber of current 2021 Mercedes-Benz C 300 listings by dealer state: Pennsylvania 4, California 3, Massachusetts 2, New Jersey 2, Texas 2, Alabama 1, Florida 1, Indiana 1, Missouri 1, Oregon 1.PennsylvaniaPennsylvania: 4 · 22%4 · 22%CaliforniaCalifornia: 3 · 17%3 · 17%MassachusettsMassachusetts: 2 · 11%2 · 11%New JerseyNew Jersey: 2 · 11%2 · 11%TexasTexas: 2 · 11%2 · 11%AlabamaAlabama: 1 · 6%1 · 6%FloridaFlorida: 1 · 6%1 · 6%IndianaIndiana: 1 · 6%1 · 6%MissouriMissouri: 1 · 6%1 · 6%OregonOregon: 1 · 6%1 · 6%
Current listings

2021 Mercedes-Benz C 300 for sale now: best value first

2021 Mercedes-Benz C 300 (all trims): market value

Market value (30 days): $25,994, based on 18 cars for sale now and 1 recently sold. Last listed price is the final advertised price of a listing before it was removed from sale, like a stock's last traded price. Market value is the median of last listed prices (listings removed in the window) together with current asking prices.

7-day market value
$25,994
based on 18 cars for sale now and 1 recently sold
Recently sold (last listed, 7d): $19,167 · based on 1 recently soldFor sale now (asking): $26,237 · based on 18 cars for sale now
based on 6 days of tracking since Nov 5, 2026
30-day market value
$25,994
based on 18 cars for sale now and 1 recently sold
Recently sold (last listed, 30d): $19,167 · based on 1 recently soldFor sale now (asking): $26,237 · based on 18 cars for sale now
based on 6 days of tracking since Nov 5, 2026
90-day market value
$25,994
based on 18 cars for sale now and 1 recently sold
Recently sold (last listed, 90d): $19,167 · based on 1 recently soldFor sale now (asking): $26,237 · based on 18 cars for sale now
based on 6 days of tracking since Nov 5, 2026

Market value, last listed and asking prices per day

  • Market value $25,994
  • Recently sold (last listed) —
  • For sale now (asking) $26,237

The daily chart appears after the second tracked day (30-day window).

30-day window, based on 6 days of tracking since Nov 5, 2026. Latest: market value based on 18 cars for sale now and 1 recently sold. One point per day; lines are smoothed curves through the daily values.

Only verified listings count (data-integrity checks); removals from a dealer's feed or website change, and cars still listed at another dealer, are not last listed prices.

2021 Mercedes-Benz C 300: market value by trim

TrimMarket value (30 days)Last listed medianCurrent asking median
C 300$26,356 · 10 prices$19,167 · n 1$26,717 · n 9

Each trim on its own: dealer-stated trims, median of last listed and current asking prices in 30 days, at least 3 prices.

2021 Mercedes-Benz C 300: retail value by area

Market value is the median of last listed prices (cars that left the market in the window) and current asking prices. Typical range = middle 80% of prices (10th to 90th percentile). Windows reach back only to Nov 5, 2026, when tracking began.

AreaMarket valuelast listed + current askingLast listedwhat it’s been pushed forCurrent askingcars for sale now
PA$26,875typical $24,050–$30,575n 4not enough data here$26,875typical $24,050–$30,575n 4
CA$26,250typical $20,750–$30,875n 4not enough data heren 1$28,250typical $25,050–$31,250n 3
NJnot enough data heren 2not enough data herenot enough data heren 2
National$26,000typical $19,850–$30,800n 19not enough data heren 1$26,250typical $20,000–$30,950n 18
AutosXchange Intel

2021 Mercedes-Benz C 300 price activity

AutosXchange started tracking 2021 Mercedes-Benz C 300 prices on Nov 5, 2026. Price-activity trends appear once at least 30 listings from 5 dealers are tracked nationally.

AutosXchange Intel Hub

Latest price changes: 2021 Mercedes-Benz C 300

2 cuts and 0 raises in the last 30d; median cut −4.2%.

Source: AutosXchange Intel Hub, autos-xchange.com/market, 2026-11-11.

By model year

Mercedes-Benz C 300 market data by model year

Shop locally

2021 Mercedes-Benz C 300 for sale by city

FAQ

Frequently asked questions

What is the average asking price of a 2021 Mercedes-Benz C 300?
Across 18 current listings on AutosXchange, the median asking price of a 2021 Mercedes-Benz C 300 is $26,237. Most listings (10th to 90th percentile) ask between $20,082 and $30,847. These are dealer asking prices, not sold prices.
How many Mercedes-Benz C 300 are for sale?
AutosXchange currently lists 18 vehicles from 18 dealerships in 10 states.
What mileage is typical for a 2021 Mercedes-Benz C 300?
The median odometer reading is 49,882 miles; the middle half of listings show between 34,536 and 60,630 miles (18 listings with a published odometer).
What is a fair asking price for a 2021 Mercedes-Benz C 300?
Half of current listings ask between $23,059 and $28,042 (25th to 75th percentile), around a median of $26,237. Compare mileage, trim, condition and the vehicle history report before deciding; AutosXchange figures are asking prices, not sold prices.
Where are the most Mercedes-Benz C 300 for sale?
Pennsylvania has the most current listings (4), followed by California (3).

AutosXchange market data is calculated from the asking prices of current dealer listings on AutosXchange, refreshed as dealers update their inventory. These are not sold or transaction prices and not appraisals. Listings with an asking price under $500 (placeholder prices) are excluded. Confirm price, fees and availability with the selling dealer.