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2008 Mercury Mariner recalls, complaints and safety ratings

There are 3 US recalls for the 2008 Mercury Mariner, and 0 in Canada. Owners filed 461 complaints with NHTSA, most often about steering.

3US recalls
0urgent recalls
461owner complaints
–overall crash rating

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Recalls are issued for a make, model and model year. Whether the repair has already been done on one specific car is known only to its manufacturer and dealers. Check your vehicle's official status at nhtsa.gov/recalls or with a dealer.

US recalls (3)

Power train: automatic transmission, lever and linkage

2015-09-29 · campaign 15V606000 · 57 vehicles

Ford Motor Company (Ford) is recalling certain model year 2001-2008 Ford Escape and Mercury Mariner vehicles manufactured March 31, 2001, to September 1, 2009. The affected vehicles are equipped with either a 2.3L or 3.0L engine and have had their CD4E transmission replaced with remanufactured one that was rebuilt between June 11, 2015 through July 15, 2015. These service repair part transmissions have a shift lever bolt that may not be properly tightened. As a result, the shift control lever could disengage from the transmission without warning.

Risk and remedy

Risk: If the shift lever disengages from the transmission, a driver may be unable to shift gear positions and the indicated shift position may not represent the gear position the vehicle is in. Should a disengagement occur while the vehicle is being driven, when the driver goes to stop and park the vehicle, the gear selection indicator may show that the transmission is in the "PARK" position, but the vehicle transmission may not actually be in the "PARK" gear position. If the vehicle is not in the "PARK" position there is a risk the vehicle will roll away as the driver and other occupants exit the vehicle or anytime thereafter. A vehicle rollaway increases the risk of injury to exiting occupants and bystanders.

Remedy: Ford will notify owners, and dealers will inspect the transmissions and either tighten the manual shift lever bolt or replace the manual shift lever assembly. These repairs will be performed free of charge. The recall began on October 23, 2015. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 15S28.

Hybrid propulsion system

2014-09-03 · campaign 14V526000 · 70,209 vehicles

Ford Motor Company (Ford) is recalling certain model year 2005-2008 Ford Escape hybrid electric vehicles manufactured October 13, 2003, to June 20, 2008, and 2006-2008 Mercury Mariner hybrid electric vehicles manufactured June 10, 2005, to June 20, 2008. The coolant pump for the hybrid system may fail resulting in the hybrid electronics overheating.

Risk and remedy

Risk: If the hybrid electronics system overheats, it may shut down the powertrain, resulting in a stall-like condition, increasing the risk of a crash.

Remedy: Ford will notify owners, and dealers will inspect and replace the original Motor Electronics Coolant (MEC) Pump with an improved brushless pump, free of charge. The recall is expected to begin on October 27, 2014. Owners may contact Ford customer service at 1-866-436-7332. Ford's number for this recall is 14S19.

Steering: electric power assist system

2014-05-29 · campaign 14V284000 · 740,878 vehicles

Ford Motor Company (Ford) is recalling certain model year 2008-2011 Ford Escape and Mercury Mariner vehicles manufactured August 18, 2006, through September 11, 2010. The affected vehicles have a steering torque sensor that may not be able to properly detect driver steering input. As a result, the system could remove the Electric Power Steering (EPS) assist.

Risk and remedy

Risk: If power steering assist is lost, greater driver effort would be required to steer the vehicle at low speeds, increasing the risk of a crash.

Remedy: Ford will notify owners, and dealers will update the software for the power steering control module (PSCM) and the instrument cluster module, free of charge. If a vehicle shows a history of a loss of the torque sensor signal or fault codes relating to the PSCM when the vehicle is brought in for the recall remedy, the affected components will be replaced, free of charge. The recall began on July 18, 2014. Owners may contact Ford customer service at 1-800-392-3673. Ford's number for this recall is 14S05.

Owner complaints (461)

Owners filed 461 complaints with NHTSA about the 2008 Mercury Mariner (9 crashes, 5 injuries reported). Among 7 model years of this model, it ranks #1 for the most complaints (median 87).

Most-reported problemComplaints
Steering297
Power train66
Vehicle speed control31
Service brakes29
Electrical system27
Unknown or other19
Engine14
Air bags8

Crash test ratings

NHTSA 5-Star Safety Ratings for the 2008 Mercury Mariner.

VersionOverallFrontalSideRollover
2008 Mercury Mariner 4-DR. w/SAB (Early release)–––3★
2008 Mercury Mariner 4-DR. w/SAB (Later release)–––3★

Fuel economy

EPA ratings for each 2008 Mercury Mariner version.

VersionCity MPGHighway MPGCombinedYearly fuel cost
Mariner 4WD 2.3 L Automatic 4-spd192421$3,200
Mariner 4WD 3.0 L Automatic 4-spd172219$3,550
Mariner FWD 2.3 L Automatic 4-spd202622$3,050
Mariner FWD 3.0 L Automatic 4-spd182420$3,350
Mariner Hybrid 4WD 2.3 L Automatic (variable gear ratios)292728$2,400
Mariner Hybrid FWD 2.3 L Automatic (variable gear ratios)343032$2,100
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Sources: NHTSA recalls, complaints and 5-Star Safety Ratings, US EPA fuel economy and Transport Canada's Vehicle Recalls Database (contains information licensed under the Open Government Licence – Canada). Recalls updated 2026-10-30.