2008 Mercury Mariner Mercury Mariner 2008

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2008 Mercury Mariner repairs by problem area

Engine (26%)

Transmission and Drivetrain (14%)

Brakes and Traction Control (9%)

Suspension and Steering (16%)

Electrical and Air Conditioning (12%)

Paint, Rust, Leaks, Rattles, and Trim (16%)

Other (9%)

Chart based on 58 repairs.
See TSBs and recalls for the 2008 Mercury Mariner.

2008 Mercury Mariner repair cost distribution

$2500+ (2%)

$1000 - $2499 (6%)

$500 - $999 (12%)

$100 - $499 (25%)

< $100 (56%)

Worried about potential repair costs? An extended warranty can provide peace of mind.

Chart based on 52 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2008 Mercury Mariner

Engine not specified

Mercury Mariner in New York, United States
Dec 2011 - Jan 2012
Jan 2012 Intermittent engine bucking and missing and no computer code being given 

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2008 Mercury Mariner 4dr SUV

200-horsepower 3.0L V6 4-speed automatic FWD

Mercury Mariner in Oklahoma, United States
Oct 2007 - Jul 2012
Sep 2009

13000 mi
Shudder in drivetrain when accelerating from a coast. Driver's side rearview mirror does not defog/defrost. High pitched sound seemingly coming from the air vents when AC is turned on and driving at highway (70+ mph) speeds. 
Mercury Mariner in Illinois, United States
Apr 2013 - Apr 2017
Jul 2014

65500 mi
Both rear wheel wells are consumed with rust. Ford takes no responsibility as it is over 5 years old. Every body shop I have been to tells me the same thing. "Because of the location of the rust there is nothing we can do". I'm done with Ford. 
Apr 2015

72000 mi
engine mounts replaced tie rods and sway bars 
Apr 2016

84700 mi

US $251
replaced ty-rods 
Mercury Mariner in Ohio, United States
Aug 2013 - May 2016
Sep 2015

102000 mi

US $10
Replaced the tone ring on the front driver's side half shaft. The original tone ring had cracked. 
Feb 2016

105900 mi

US $669
Steering wheel would shake and jerk while car was engine was running and the car was stopped. Steering torque sensor was replaced. Vehicle was recalled earlier for this problem. At that time steering software was updated. 
Mercury Mariner in Missouri, United States
Sep 2010 - Jan 2012
Jun 2010

36000 mi
Noticed tiny transmission fluid leak at 36K miles. This coincided with scheduled service. Dealer diagnosed the problem related to the transmission fluid cooler/radiator. It was replaced free. Later I got a recall notice for same issue. 
Mercury Mariner in Michigan, United States
Oct 2009 - Apr 2018
Sep 2013

102000 mi

US $225
ABS tone ring replacement needed - common problem with Escapes & Mariners. Ring made of thin metal, prone to cracks and breakage. 
Jan 2014

126500 mi

US $20
Replaced blower motor resistor so fan would work at all speeds. 
Oct 2014

115500 mi

US $360
sway bar link replaced 
Nov 2015

129000 mi
Ball joint 
May 2016

133300 mi

US $425
Water pump leaking, progressing toward failure. 
Sep 2017

152000 mi

US $900
Cracked exhaust manifold Dipstick stuck in tube 
Mercury Mariner in Rhode Island, United States
Nov 2010 - Jun 2018
Nov 2011

47000 mi
Power Moonroof jammed and would not open 
Dec 2011

48000 mi
After Moonroof track was repaired the Moonroof would not operate properly. Express Open didn't not work, Automatic stop at closed position would not work. 
Oct 2014

74300 mi

US $270
Trim around windsheild was leaking. The dealer attempted to refix the rubber seal around the window but did not fix the water leak. The traction control warning light on the dashboard would illuminate. The 4x4 control module needed to be replaced. 
Mar 2018

94000 mi

US $180
Replaced right front caliper & brake hose. 
Apr 2018

94000 mi

US $350
Left front brake caliper. 
Mercury Mariner in Florida, United States
Aug 2010 - Sep 2016
Oct 2010

36000 mi
Bad rattle in dash area. Reported before under warranty and padding added. This time happened immediately after the previous visit for oil change/rotation/routine maint. Apparently, they were looking for Sirius Radio SN to enter promotion. 

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2008 Mercury Mariner 4dr SUV

200-horsepower 3.0L V6 4-speed automatic AWD

Mercury Mariner in United Arab Emirates
Apr 2008 - Dec 2010
May 2010

11036 mi
General Maintenance. Front driver seat is moving on the rail while driving. This is not repaired yet; only diagnosed. Needs rail to be replaced which takes 2 days. (1 day repair, and 1 day for Ford approval to replace the part) 
Sep 2010

14880 mi
Driver seat was moving moving slightly while driving, and making a clicking noise. Replace seat rail machanism 
Mercury Mariner in Pennsylvania, United States
May 2008 - Mar 2010
Jul 2008

11000 mi
Exterior roof molding, at weld seam, replaced. 
Jun 2009

15000 mi
Gas mileage dropped significantly over the winter months. Had been averaging 20/21 mpg consistantly, then 17/18 over the winter. When originally informally, discussed with the dealer service, we were told that it most likely was the winter gas... 
Mercury Mariner in Alaska, United States
Dec 2013 - Jun 2018
Dec 2014

66000 mi
Preventative TSB 
Mercury Mariner in West Virginia, United States
May 2009 - Dec 2016
Jun 2009

19000 mi
Transmission cooler defective. Vehicle was inoperable. 
Oct 2016

61200 mi

US $100
Both rear window mechanisms failed and were replaced by owner. 
Nov 2016

61300 mi

US $100
Transmission cooling line to radiator developed a leak. Replaced line and fluid. Also engine oil changed. 
Mercury Mariner in Michigan, United States
Feb 2010 - Aug 2010
Feb 2010

26500 mi
air conditioner condenser replaced, the transmission was leaking. 
Apr 2010

29000 mi
air conditioner condensor replaced - it was causing a transmission leak in the very front of the engine. 
Mercury Mariner in Nebraska, United States
Oct 2008 - Oct 2009
Feb 2009

7000 mi
Engine oil leaking in small amount. Dealer put into the oil a marking substance which will allow them to track the leak with a black light at next visit.  
Mar 2009

8000 mi
Oil pan leak. 
Apr 2009

10000 mi
Suspension (front) parts replaced. Dealer did not re-align the front end on first trip as they should have. Second trip was required to have that done. Vehicle now repaired correctly. 
May 2009

10000 mi
Engine pings at times. Unable to replicate with mechanic present. 
Jul 2009

11000 mi
Ford tech hears the ping - it is quite audible at times, very annoying too. The tech checked with Ford....no resolution available. Ping is intermittment, Ford 2nd level scratches its collective head. 
Oct 2009

13000 mi
Car sold with ping still present. 
Mercury Mariner in New York, United States
Nov 2008 - Mar 2010
Jan 2008

19200 mi
sunglass holder replaced 
Oct 2008

19200 mi
sunglass holder replaced 

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2008 Mercury Mariner 4dr SUV

153-horsepower 2.3L I4 4-speed automatic FWD

Mercury Mariner in Illinois, United States
Feb 2013 - Jun 2016
Mar 2014

44000 mi

US $3731
Car was loaned to parents to take two 3 yr olds to Disney World. Transmission totally failed at highway cruising speeds with no warning/previous incidents. Resulted in rapid deceleration and left them stranded at night. NOT SAFE! 

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2008 Mercury Mariner 4dr SUV

133-horsepower 2.3L I4 Hybrid CVT FWD

Mercury Mariner in Florida, United States
Oct 2009 - Nov 2015
Apr 2009

25256 mi
Paint peeling on the door handles. 
Jul 2012

59993 mi

US $908
Engine stalled on highway. Dash had red triangle and warning stating to pull over safely. Towed to dealer. Hybrid cooling pump replaced w/ a reprogram of pcm performed. 
Nov 2012

64700 mi

US $475
Clicking noise from dash and defrost failure. Replaced 2 actuators. System appears to be functioning normally. 
Jul 2013

73000 mi

US $504
Key/ignition replaced. This alleviated the problems where the A/C would not work sporadically. 
Apr 2015

85200 mi

US $425
Rough ride was diagnosed to worn tie rods. Brake pads on the front also replaced. 

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2008 Mercury Mariner 4dr SUV

133-horsepower 2.3L I4 Hybrid CVT AWD

Mercury Mariner in New Jersey, United States
Oct 2017 - Jul 2018
Jun 2017

163000 mi

US $1100
transfer case wore out, metal flakes in oil 
Nov 2017

21000 mi

US $1620
Cvt replaced 
Mercury Mariner in Maryland, United States
May 2008 - Sep 2018
Feb 2010

39000 mi
Some sort of software glitch that threw off a "park immediately, hazardous condition" fault that when we restarted did not appear. We took it to the dealer, they found the fault code was there but couldn't find the source. Reflashed SW & we're done 
Jan 2011

57000 mi

US $310
Windshield washer pump output to rear window cracked leaking fluid whenever the rear window washer was activated. Pump was replaced and the oil and filter were also changed 
Sep 2013

102000 mi

US $680
The faulty item was the high voltage battery coolant pump, which cost approximately $240 material and $200 to replace. At the dealer's recommendation, we also replace the coolant to ensure there wasn't debris in the system. 
Dec 2015

149000 mi

US $898
The ignition switch was starting to malfunction, taking two or three turns of the key to get the contacts to close and the car to start. This was not going to improve, so we had the switch replaced. At least we didn't have to get new keys 
Mar 2018

184000 mi

US $1100
Replaced worn tie rod ends Replaced both front rotors and pads 
Mercury Mariner in South Dakota, United States
Jun 2011 - Jun 2018
Mar 2015

57000 mi

US $100
Needed to fix turn signal problem which was functioning erratically. 

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See TrueDelta's information for all Mercury models.

2008 Mercury Mariner Repair Histories

See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. To see how frequently 2008 Mercury Mariner problems occur, check out our car reliability stats.