| 1 | 0 | 3 | 4 | 3 | 4 |
2009 Mercury Mariner repairs by problem area
Engine (25%)
Transmission and Drivetrain (30%)
Brakes and Traction Control (4%)
Suspension and Steering (7%)
Electrical and Air Conditioning (27%)
Paint, Rust, Leaks, Rattles, and Trim (2%)
Other (5%)
Chart based on 56 repairs.
2009 Mercury Mariner engine repair cost distribution
$2500+ (0%)
$1000 - $2499 (8%)
$500 - $999 (0%)
$100 - $499 (31%)
< $100 (62%)
Chart based on 13 repair trips. The repair cost chart excludes repairs made under warranty, do-it-yourself repairs, and repair trips that include maintenance.
2009 Mercury Mariner 4dr SUV
240-horsepower 3.0L V6 6-speed automatic FWD
| 13700 mi | TSB to reprogram transmission for better shifts from 1-2 and 2-3, reducing long term wear on the transmission. |
| 21000 mi | Check Engine list was due to Camshaft Position Sensor failure. Part replaced under warranty and was included in a TSB for Marniers made prior to April 2009. |
2009 Mercury Mariner 4dr SUV
240-horsepower 3.0L V6 6-speed automatic AWD
| 3000 mi | Vehicle wouldn't start, then after starting ran very rough. Computer replaced. |
| 105000 mi | Routine lube, oil and filter |
| 109000 mi US $52 |
Routine Lube Oil and Filter |
| 151000 mi US $1200 |
Exhaust Manifold |
| 53000 mi US $100 |
Vehicle struggled under WOT acceleration. Ignition coil packs had to be replaced. |
| 41000 mi US $78 |
Error Code P00012, Camshaft Position - Timing Over-Retarded (Bank 1). I was due an oil change as well. Come to find that low oil will cause the Error Code, which cleared after properly filling the sump. |
2009 Mercury Mariner 4dr SUV
171-horsepower 2.5L I4 6-speed automatic FWD
| 27000 mi | Replaced a motor mount and sub member. |
| 169000 mi US $68 |
Valve cover gasket replaced because it was leaking oil. |
| 193000 mi US $114 |
Thermostat letting car run too cool. Replaced thermostat. Water pump leaking. Replaced water pump. |
| 206600 mi US $150 |
Vehicle would not start when key was turned sometimes. Replaced steering column ignition housing flange switch. Ford part 9L8Z-3511-A. |
2009 Mercury Mariner 4dr SUV
153-horsepower 2.5L I4 Hybrid CVT AWD
| 83000 mi US $130 |
Fuel Fill neck no longer sealed; attempted "quick fixes" with no results, replaced the fuel fill neck. |
See TrueDelta's information for all SUVs
See TrueDelta's information for all Mercury models.
