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Worst Model Year:
2002
Most Complaints:
Mercury Mountaineer

CarComplaints.com has 681 complaints on file for Mercury vehicles. The worst models are the 2002 Mountaineer, 2004 Mountaineer, 2006 Mariner, 1999 Cougar, and the 1997 Grand Marquis.

Here's the yearly complaint trend for all Mercury models, over the last 15 years.

Keep in mind that differences in model sales, production years & defect trends affect these simple complaint totals. Click on a model below to find out which is actually the best or worst.

Browse Problems by Model

Worst Reported Mercury Problems

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