Live US dealer listings Median-priced benchmark Updated 2026-10-18
Market price · Used 2018 Mercedes-Benz GLC-Class 626 listings tracked

Used 2018 Mercedes-Benz GLC-Class Price in the US

A used 2018 Mercedes-Benz GLC-Class in the US typically lists for $14,586–$19,863, with a median asking price of $16,999 across 626 active US dealer listings (as of 2026-10-18). The cheapest one listed right now is $7,400, a 2018 GLC300 in Dallas, TX — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2018 Mercedes-Benz GLC-Class · asking prices626 listings
$10k$28k
Typical range
$14,586 – $19,863
Median
$16,999
Cheapest 5%
under $11,996
Cheapest listed now
$7,400

Browse by model year

typical price per year
More years (3)

Cheapest 10 listed right now

ranked by price
  1. 2018 Mercedes-Benz GLC-Class
    $7,400
    2018 Mercedes-Benz GLC-Class GLC300
    160,363 mi · Dallas, TX · Berton Auto Group
    View listing →
  2. $7,651
    2018 Mercedes-Benz GLC-Class GLC300
    180,589 mi · Fremont, CA · BMW of Fremont
    View listing →
  3. $8,883
    2018 Mercedes-Benz GLC-Class GLC 300-4M
    146,928 mi · Fort Collins, CO · A & Z Import Auto Sales
    View listing →
  4. $8,967
    2018 Mercedes-Benz GLC-Class GLC 300-4M
    136,875 mi · Ramsey, NJ · Driveway
    View listing →
  5. 2018 Mercedes-Benz GLC-Class
    $8,995
    2018 Mercedes-Benz GLC-Class GLC 300-4M
    185,055 mi · Hopkins, MN · Mainstreet Motor Company
    View listing →
  6. 2018 Mercedes-Benz GLC-Class
    $9,800
    2018 Mercedes-Benz GLC-Class GLC300
    140,817 mi · Fort Payne, AL · Jesus AA Autos
    View listing →
  7. $9,880
    2018 Mercedes-Benz GLC-Class GLC300
    140,289 mi · Pasadena, CA · West Coast Auto Mart Inc.
    View listing →
  8. $9,900
    2018 Mercedes-Benz GLC-Class GLC 300-4M
    149,510 mi · San Leandro, CA · Road Runner Motors
    View listing →
  9. $10,299
    2018 Mercedes-Benz GLC-Class GLC300
    123,901 mi · Auburndale, FL · 5th Gear Auto Group
    View listing →
  10. $10,500
    2018 Mercedes-Benz GLC-Class GLC 300-4M
    139,863 mi · Mesa, AZ · Horne Motors of Mesa
    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 2018 Mercedes-Benz GLC-Class asks $14,586–$19,863. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2018 Mercedes-Benz GLC-Class cost?

A used 2018 Mercedes-Benz GLC-Class in the US typically lists for $14,586 to $19,863, with a median asking price of $16,999 across 626 active US dealer listings. Nine in ten are priced between $11,996 and $27,998 (as of 2026-10-18, source: UnderMarket Cars).

Is $17,000 a good price for a used 2018 Mercedes-Benz GLC-Class?

That sits at about the market median ($16,999) for a used 2018 Mercedes-Benz GLC-Class. Under $14,586 puts you in the cheapest quarter of active US listings and under $11,996 in the cheapest 5%; above $27,998 is the priciest 5% (as of 2026-10-18).

What is the cheapest used 2018 Mercedes-Benz GLC-Class for sale right now?

$7,400 — a 2018 Mercedes-Benz GLC-Class GLC300 in Dallas, TX, $9,599 under the median (as of 2026-10-18).

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 2018 Mercedes-Benz GLC-Class page is regenerated from it when it is requested. The figures on this page are from 2026-10-18.

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Prices updated 2026-10-18. Data covers active dealer listings across the USA.