Mercury Mariner Mercury Mariner

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Mercury Mariner repairs by problem area

Engine (24%)

Transmission and Drivetrain (18%)

Brakes and Traction Control (8%)

Suspension and Steering (17%)

Electrical and Air Conditioning (20%)

Paint, Rust, Leaks, Rattles, and Trim (8%)

Other (6%)

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Chart based on 212 repairs.
See TSBs and recalls for the Mercury Mariner.

Mercury Mariner electrical repair cost distribution

$2500+ (2%)

$1000 - $2499 (2%)

$500 - $999 (14%)

$100 - $499 (36%)

< $100 (45%)

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Chart based on 42 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.

2010 Mercury Mariner 4dr SUV

171-horsepower 2.5L I4 6-speed automatic AWD

53500 mi

US $18
Fan control resistor failed. Replaced. 

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2009 Mercury Mariner 4dr SUV

240-horsepower 3.0L V6 6-speed automatic FWD

16000 mi One of the two right front speakers of the Audiophile system damaged at normal volume.  
18000 mi Driver side automatic temp control was faulty; would heat up quickly, slowly subside, then turn cold without changing the temperature. 
32000 mi

US $115
replace Blower resistor ( Climate Control ) 

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2009 Mercury Mariner 4dr SUV

240-horsepower 3.0L V6 6-speed automatic AWD

85000 mi

US $240
Battery required replacement 
110000 mi

US $1000
Leaks repaired and recharge 
17000 mi Loud clicking noise coming from behind dash, when defrost is on then turned off . 
19000 mi Loud squeal from dash, took 2 years to find source. Cabin air filter was never installed & 2 years of crap was sucked into AC/heater blower. It took dealer 3 days to find out filter was a option. I fought with dealer, was covered by warranty. 
46000 mi

US $900
Evaporator developed hole; A/C would not take a recharge; Dealership suspected road hazard, would not warranty. 
48000 mi

US $700
Evaporator developed a hole again, had to be replaced. Purchased a metal mesh grill and had it installed over the front surface of the evaporator. The grill design appears to provide very little protection. 

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2009 Mercury Mariner 4dr SUV

171-horsepower 2.5L I4 6-speed automatic FWD

18000 mi Navigation system locked down along with radio 
203000 mi

US $28
Blend door actuator was hunting. 
58700 mi

US $125
Windshield Washer Pump failure. Required replacing washer pump. 

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2009 Mercury Mariner 4dr SUV

153-horsepower 2.5L I4 Hybrid CVT FWD

118000 mi

US $480
Left heater actuator defective 

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2009 Mercury Mariner 4dr SUV

153-horsepower 2.5L I4 Hybrid CVT AWD

96300 mi

US $75
Replaced air flow mix motors in dash. 

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2008 Mercury Mariner 4dr SUV

200-horsepower 3.0L V6 4-speed automatic FWD

93200 mi

US $20
Replaced blower motor resistor so fan would work at all speeds. 
13000 mi 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. 

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2008 Mercury Mariner 4dr SUV

200-horsepower 3.0L V6 4-speed automatic AWD

26500 mi air conditioner condenser replaced, the transmission was leaking. 
29000 mi air conditioner condensor replaced - it was causing a transmission leak in the very front of the engine. 

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2008 Mercury Mariner 4dr SUV

133-horsepower 2.3L I4 Hybrid CVT FWD

64700 mi

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

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2008 Mercury Mariner 4dr SUV

133-horsepower 2.3L I4 Hybrid CVT AWD

57000 mi

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

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2007 Mercury Mariner

Engine not specified

31000 mi

US $160
replaced battery 

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2007 Mercury Mariner 4dr SUV

133-horsepower 2.3L I4 Hybrid CVT AWD

99000 mi

US $20
Rear indicator on the right fused out. Replaced. 
138600 mi

US $180
AC does not cool at all. 
140000 mi

US $2890
AC was not working. Compressor changed. 
156000 mi

US $101
Airbag light was on. Dealer stated loose wire or bad connection. 
60000 mi

US $1987
A/C produced no cold air when turned on. Mechanic found condenser leak and replaced with new one.  
135000 mi

US $50
Rear passenger window motor went out. 

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2006 Mercury Mariner 4dr SUV

200-horsepower 3.0L V6 4-speed automatic FWD

106200 mi

US $20
A/C would not be cold intermitently; usually when idling. 
107200 mi A/C continued to cut out intermittently. Shop found dirt and grease that might have resulted from the condensor going bad. Mechanic chose to just clean the area for the time being. System has been functioning fine so far (couple weeks). 
111000 mi

US $600
Replaced AC compressor, clutch, and drier. 
160000 mi

US $300
Dead battery, and faulty vehicle operation due to failed alternator. It was replaced and problem was resolved. 
162000 mi

US $400
Replacement alternator failed and was replaced. 
42000 mi

US $250
battery would not charge occasionally 

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2006 Mercury Mariner 4dr SUV

200-horsepower 3.0L V6 4-speed automatic AWD

119000 mi

US $650
alternator replacement 
134000 mi

US $200
front windshield pump failed. Most of this cost was labor as pump is located inside right front fender necessitating removal of wheel and fender liner. 

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2006 Mercury Mariner 4dr SUV

133-horsepower 2.3L I4 Hybrid CVT AWD

125000 mi

US $35
Brake light switch failure at brake pedal. Symptom: brake lights always on even when vehicle is off. 
104300 mi

US $950
New compressor 

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2005 Mercury Mariner 4dr SUV

200-horsepower 3.0L V6 4-speed automatic AWD

110000 mi

US $381
Horn did not work. Wipers needed replacement. Fuel filter needed replacement. 
60000 mi

US $550
replaced alternator 

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2005 Mercury Mariner 4dr SUV

153-horsepower 2.3L I4 4-speed automatic AWD

35200 mi cruise control inop, replace transmission speed sensor dealer previously replaced trans speed sensor, worked for about 30 miles. Took it back and they wanted to replace steering switches for another $250.00. Told them no deal. Took the car home, replaced the brake sensor switch $20.00, now OK. 

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See TrueDelta's information for all Mercury models.

Mercury Mariner Electrical Problems

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 Mercury Mariner problems occur, check out our car reliability stats.