2005-2008 Mercury Mariner: Reliability

Updated: 11/23/08

2005 Mercury Marnier
2008 Mercury Mariner
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2005-2008 Mercury Mariner 

  • Price Range:  $9,500 - $25,600
CG Rating

57

out of 100

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Our reliability study for this generation Mercury Mariner includes details on average repair costs, manufacturer recalls, and everything you need to know to gauge the long-term reliability of this generation Mercury Mariner .

Trouble Spots

Consumer Guide's® Auto Editors have scoured repair bulletins and questioned mechanics to search for commonly occurring problems for a particular vehicle. In some cases we also give possible manufacturer-suggested solutions. In many instances these trouble spots are Technical Service Bulletins posted by the manufacturer, however, we have our own expert looking at additional vehicle problems.

Air conditioner: The air conditioner may quit working due to loss of refrigerant through the compressor's front shaft seal. (2005-06)

Brake noise: Rear brakes make noise or may grab when cold, especially in damp weather, and revised brake pads have been made available. (2005)

Engine stalling: Engine may stall when coming to a stop after extended driving due to wear preventing the torque converter from unlocking. (2005-08)

Fuel gauge: The fuel tank may be slow to fill or cause the nozzle to repeatedly click off and a new, wider fill pipe is available. (2005-06)

Hard starting: Vehicles with the 3.0L engine may be slow to start requiring reprogramming of the powertrain control module. (2005-06)

None: The fuel tank may fill slowly and the gas nozzle may repeatedly click off in cold weather due to ice forming in the fuel tank vent line. (2005-08) (2006-08 hybrid) In warm weather the problem may be due to a filler pipe with a bend that is too tight. (2005-06)

Steering noise: A clunk or rattle that sounds like something loose in the front end when going over bumps with the wheel turned is most likely due to hydraulic spikes in the power steering system, requiring a revised low pressure hose with an internal restrictor. (2005-06)

Vehicle noise: Whining from the drivetrain may be reduced by replacing the half-shafts (FWD drive shafts) with ones equipped with dampers. (2005-06)

Consumer Guide® Estimated Repair Costs

This table lists costs of likely repairs for comparison with other vehicles. The dollar amount includes the cost of the part(s) and labor (based on $50 per hour) for the typical repair without extras or add-ons. Like the pricing information, replacement costs can vary widely depending on region. Expect charges at a new-car dealership to be slightly higher.
Item Name Repair Cost
A/C Compressor $710
Alternator $540
Automatic Transmission or Transaxle $2,760
Brakes $580
Clutch, Pressure Plate, Bearing
Constant Velocity Joints $2,920
Exhaust System $810
Radiator $670
Shocks and/or Struts $920
Timing Chain or Belt $780
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