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Mercury Grand Marquis repairs by problem area
Engine (30%)
Transmission and Drivetrain (10%)
Brakes and Traction Control (7%)
Suspension and Steering (20%)
Electrical and Air Conditioning (27%)
Paint, Rust, Leaks, Rattles, and Trim (3%)
Other (3%)
Select a problem area
- Engine
- Transmission and Drivetrain
- Brakes and Traction Control
- Suspension and Steering
- Electrical and Air Conditioning
- Paint, Rust, Leaks, Rattles, and Trim
- Other
Chart based on 197 repairs.
Mercury Grand Marquis electrical repair cost distribution
$2500+ (2%)
$1000 - $2499 (6%)
$500 - $999 (25%)
$100 - $499 (41%)
< $100 (25%)
Chart based on 51 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2009 Mercury Grand Marquis 4dr Sedan
224-horsepower 4.6L V8 4-speed automatic RWD
| 37000 mi US $1238 |
HVAC blend door actuator stuck, tear apart entire dashboard to replace, also noticed battery was cracked and replaced while there. |
| 103000 mi US $600 |
Car died suddenly in traffic. Towed to nearby shop, replaced alternator |
2008 Mercury Grand Marquis 4dr Sedan
224-horsepower 4.6L V8 4-speed automatic RWD
| 795000 mi US $240 |
FULL SYSTEM CHEC |
2006 Mercury Grand Marquis 4dr Sedan
224-horsepower 4.6L V8 4-speed automatic RWD
| 62000 mi US $460 |
Blend Door malfunction. Unhelpful "Easycare" Warranty did not cover this part even though brochure stated that the warranty covered the AC system "comprehensively". Be careful out there as there are ripoff warranty companies. |
| 147000 mi US $300 |
Driver window won’t go down. Replaced motor. |
| 147300 mi US $70 |
replaced air blend door actuator. Replaced clock spring in steering column. |
2005 Mercury Grand Marquis 4dr Sedan
239-horsepower 4.6L V8 4-speed automatic RWD
| 36000 mi | Power door lock - front passenger door would not lock. Removed door lock power cables and re-installed. Been working fine ever since. |
2005 Mercury Grand Marquis 4dr Sedan
224-horsepower 4.6L V8 4-speed automatic RWD
| 199800 mi US $550 |
air-bag light |
| 83000 mi | Lighting Power module: warrentee repair, no part, gave me loaner in shop for 30 days - part on back order |
| 243000 mi US $700 |
seat belt pretensioner system on passenger side; air-bag code "34" |
| 130200 mi ﷼1000 |
Had to change the dynamo and battery. |
2004 Mercury Grand Marquis 4dr Sedan
239-horsepower 4.6L V8 4-speed automatic RWD
| 29545 mi US $12000 |
Replaced Blower Motor Speed Controller |
| 80000 mi US $800 |
The infamous lighting module. |
| 118000 mi US $255 |
Replaced starter. |
| 92900 mi US $800 |
Air conditioner compressor replaced |
| 100600 mi | power window stopped working cruise control stopped working |
| 115000 mi US $472 |
AC was cycling on at random and causing hard starting and long cranking and idle and engine surges. Replaced A/C switch. |
| 34000 mi US $250 |
The AC fan switch quit working so I had no AC till it was repaired |
| 58000 mi US $40 |
Headlights failed while driving. Problem traced to defective Lighting Control Module. I replaced the defective relays inside the module and returned it to service. |
| 60000 mi US $150 |
Air Conditioner required a recharge. |
| 21000 mi | fix seat heater; driver |
| 33000 mi US $740 |
Fuse kept blowing. Needed compressor. |
| 36600 mi US $215 |
Driver's side electric window regulator was replaced. |
| 43000 mi | A/C blowing hot air (sometimes) but more yes than no. Compressor, evaporator, and condenser were all working well. After a closer look, they found a plug connected to the compressor had popped out and kept popping out. They tightened the connection, cleaner another part that was gunky and sent me on my way with NO CHARGE...but as usual I did nicely tip the mechanic. They had the car about an hour and a half. A/C cold as ever since! There are honest mechanics, in fact this is a franchise called Honest 1 Mechanic in Davie FL. I go no where else with my car. |
2004 Mercury Grand Marquis 4dr Sedan
224-horsepower 4.6L V8 4-speed automatic RWD
| 175000 mi US $300 |
A/C compressor locked up. Replaced a/C compressor, accumulator drier, orfice and all seals. |
| 55180 mi C $75 |
Corroded battery cable replaced |
| 51300 mi US $150 |
Volt meter started fluctuating. Went to car parts store, had battery and alternator tested. Battery had a bad cell. Replaced battery. |
| 70000 mi US $400 |
Heater temperature control -- vacuum-powered blend door actuator was replaced. |
| 138600 mi | Malfunction in A/C control. Researched it and found out how to repair it myself. Saved about $650. |
2003 Mercury Grand Marquis 4dr Sedan
239-horsepower 4.6L V8 4-speed automatic RWD
| 49000 mi US $723 |
Air bag light came on. Problem was passenger side seat belt pre-tensioner sensor was open. Only repair possible was complete seat belt and harness replacement. The correct light flint color is not available. Dark gray belt installed. :( |
| 65000 mi US $43 |
The blend door for the HVAC system died. I'm not complaining since the original lasted 11 years. Managed to replace it myself in under 2 hours. |
| 90000 mi US $50 |
Driver's door window regulator replaced |
2003 Mercury Grand Marquis 4dr Sedan
224-horsepower 4.6L V8 4-speed automatic RWD
| 59000 mi US $770 |
Replace automatic temperature control head |
| 83200 mi US $335 |
A/C not cooling. Fan blower relay and the electrical wiring was replaced. |
| 84000 mi US $195 |
Driver side window switch would not raise the window. |
| 87000 mi US $300 |
The car would not start. The starter was replaced. |
| 106500 mi | Lighting control module. |
| 108000 mi US $300 |
Tail lights will not come on, or stay on ... |
| 91818 mi US $487 |
replace alternator replace pcm |
| 88200 mi US $651 |
The car started blowing very hot air with AC on. I had to turn it off. The blend door motor had to be replaced. It required removing and replacing instrument panel. |
| 88600 mi US $560 |
Taking the car home after previous repair, the airbag light stayed on. I returned to the dealer and found that it was a module behind the instrument panel that had failed. Part had to ordered. Instrument panel removed and replaced again. |
| 97673 mi US $492 |
Leaking accumulator was replaced. |
2001 Mercury Grand Marquis 4dr Sedan
235-horsepower 4.6L V8 4-speed automatic RWD
| 85752 mi US $313 |
Replaced alternator with Motorcraft alternator, which turned out to be defective and had to be replaced again. |
2001 Mercury Grand Marquis 4dr Sedan
220-horsepower 4.6L V8 4-speed automatic RWD
| 82460 mi C $300 |
starter died. installed new one |
2000 Mercury Grand Marquis 4dr Sedan
200-horsepower 4.6L V8 4-speed automatic RWD
| 83000 mi US $56 |
The heater/air cond. fan motor speed module is intermittent and needs to be replaced. I wired a switch to bypass the module and turn on the fan full speed if the module fails to. Can't be without defroster in the cold and snow. (Later fixed itself.) |
| 172000 mi US $943 |
A/C compressor and A/C hose leaking. Replaced compressor and hose, then recharge system. |
1999 Mercury Grand Marquis
Engine not specified
| 40200 mi US $800 |
No heater and no AC. Needed to replace valve in dash. |
| 41000 mi US $200 |
dead battery. replaced. |
1997 Mercury Grand Marquis 4-door
8-cylinder automatic 2WD
| 188000 mi US $1200 |
A/C compressor failed. A/C compressor, accumulator, and orifice tube replaced. |
| 195000 mi US $40 |
Replaced right front window regulator. |
See TrueDelta's information for all Sedans
See TrueDelta's information for all Mercury models.
