1997 Mercury Grand Marquis used buying checklist

Test for the problems owners report most

The most reported problems of this model year, with what to look for on the test drive.

• Engine overheating27 owner complaints, usually around 83,000 miles

  Start the engine cold and listen for knocking or ticking. Check for warning lights, oil leaks and a low oil level, and ask how often oil had to be topped up.

• Headlights failing or too dim16 owner complaints, usually around 81,465 miles

  Check every exterior and interior light, and look for condensation inside the headlights.

• Adaptive cruise control problems15 owner complaints

  Try the driver-assistance features on the road and watch for false alerts or sudden braking.

Make sure these recalls were done

Recall repairs are free at any dealer of the brand. Ask the seller for proof, or have a dealer check the VIN.

• Vehicle speed controlRecall number 08V051000, Feb 4, 2008
• Vehicle speed controlRecall number 07V336000, Aug 3, 2007
• Seat beltsRecall number 00V157001, Jun 12, 2000
• Seat beltsRecall number 00V157002, Jun 12, 2000

Service bulletins worth asking about

Repair instructions the maker sent to dealers for known problems. Ask whether any of these repairs were done.

• Some 1997-2008 vehicles equipped with a 4.6L 2V, 5.4L 2V, or 6.8L 2V engine--spark plug thread repair...Oct 1, 2007
• Extended coverage program 05N04 - extended coverage for composite intake manifoldDec 14, 2005
• Abrasion of the rear brake tube near the floor pan stiffening rib and the #3 transmission cross memberFeb 28, 2005
• Malfunction indicator lamp (MIL) on with diagnostic trouble codes (DTCS) P0420 and/or P0430Dec 8, 2003
• Some vehicles may exhibit an intake manifold crossover (first runner) coolant seepage conditionFeb 4, 2002
• Some engine assemblies with aluminum cylinder heads repaired in-vehile have been found to leak coolant...Jan 21, 2002

Before you pay

• Decode the VIN and make sure it matches the title, the registration and the car itself.
• Get a vehicle history report to check for accidents, salvage or flood titles and odometer problems.
• Ask for service records, especially oil changes and any transmission fluid service.
• Start the car from cold, and drive it at city and highway speeds for at least 20 minutes.
• Have an independent mechanic inspect the car before you sign anything.