Used Mercedes-Benz for Sale in O'Fallon, IL

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$17,200
$17,200 above
$507/mo est. ?
140,734 km

Clement Pre-Owned

Authorized EpicVIN dealer

63033, Florissant MO

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$9,999
$9,999 above
$295/mo est. ?
177,398 km 3.5L

THE DAILY DRIVER CLASSIC MOTORS

Authorized EpicVIN dealer

63110, St. Louis MO

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$11,995
$11,995 above
$354/mo est. ?
3,238 km 5.5L

Bogie's Motors

Authorized EpicVIN dealer

63139, St. Louis MO

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$45,995
$45,995 above
$1,356/mo est. ?
90,310 km

GmtAutoSales Used

63031, Florissant MO

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$16,999
$16,999 above
$501/mo est. ?
100,402 km

Prestige Motors

4.5 Google 72 reviews

63118, Saint Louis MO

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$15,995
$15,995 above
$472/mo est. ?
113,026 km

Jack Schmitt Chevrolet of O'Fallon

62269, O'Fallon IL

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$12,995
$12,995 above
$383/mo est. ?
123,724 km

Arch Auto Mall

63116, Saint Louis MO

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$13,995
$13,995 above
$413/mo est. ?
164,703 km

63031, Florissant MO

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$10,995
$10,995 above
$324/mo est. ?
104,485 km

Arch Auto Mall

63116, Saint Louis MO

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$8,995
$8,995 above
$265/mo est. ?
215,875 km

Chase Auto Group

63114, Saint Louis MO

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$10,995
$10,995 above
$324/mo est. ?
175,516 km

Arch Auto Mall

63116, Saint Louis MO

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$12,995
$12,995 above
$383/mo est. ?
202,777 km

63031, Florissant MO

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$10,995
$10,995 above
$324/mo est. ?
108,236 km

Xclusive Auto Sales

4.3 Google 67 reviews

63118, Saint Louis MO

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$7,550
$7,550 above
$223/mo est. ?
225,308 km 3.5L

63114, Saint Louis MO

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$85,500
$85,500 above
$2,516/mo est. ?
18 km

Mercedes-Benz of St. Louis

4.3 Google 446 reviews

63139, Saint Louis MO

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$52,160
$52,160 above
$1,535/mo est. ?
11 km

Mercedes-Benz of St. Louis

4.3 Google 446 reviews

63139, Saint Louis MO

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$101,675
$101,675 above
$2,992/mo est. ?
10 km

Mercedes-Benz of St. Louis

4.3 Google 446 reviews

63139, Saint Louis MO

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$79,215
$79,215 above
$2,331/mo est. ?
13 km

Mercedes-Benz of St. Louis

4.3 Google 446 reviews

63139, Saint Louis MO

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$7,950
$7,950 above
$234/mo est. ?
292,557 km

BBC Motors

63026, Fenton MO

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$43,995
$43,995 above
$1,295/mo est. ?
483 km

GmtAutoSales Used

63031, Florissant MO

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$9,995
$9,995 above
$295/mo est. ?
216,768 km 4.7L

Boost Auto Sales

63119, Saint Louis MO

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$109,023
$109,023 above
$3,215/mo est. ?
21,179 km

Mercedes-Benz of St. Louis

4.3 Google 446 reviews

63139, Saint Louis MO

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$21,850
$21,850 above
$644/mo est. ?
178,159 km

63141, Creve Coeur MO

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$186,890
$186,890 above
$5,511/mo est. ?
19,282 km

Cavallino Rosso Saint Louis

63143, St. Louis MO

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Frequently Asked Questions

Our marketplace currently lists 31 used cars in O'fallon, IL from dealers and private sellers. Prices range from $15,846 to $15,846.

Top brands by active listings in O'fallon, IL are Mercedes Benz. The mix often reflects local buying preferences.

The average listed price in O'fallon, IL is $15,846. Browse by budget: under $10,000, under $20,000, or under $30,000.

No — you can buy from a seller in O'fallon, IL regardless of your state of residence. You'll need to register and title the vehicle in your home state within the required window (usually 30 days). Local dealers typically handle paperwork for out-of-state buyers.

Yes — popular nearby options include cities across the state. You can also browse all used cars in Illinois.