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2009 Mercury Mariner Premier I4 4dr SUV

The 2009 Mercury Mariner Premier I4 4dr SUV is a 2.5-liter inline-4 with an automatic 6-speed and all-wheel drive. It starts at $24,040 MSRP and is rated at 21 mpg combined.

EPA fuel-economy estimates are 19 mpg city and 25 mpg highway (21 mpg combined).

The Mariner measures 175.5 inches long on a 103.1-inch wheelbase and has a curb weight of 3,341 lb.

Spec Value
Vehicle
Body TypeSUV
PowertrainGas
Price
MSRP$24,040 ($36,424 *)
MSRP with Destination$24,735 ($37,477 *)
Destination Charge$695
Engine
Engine Type2.5L I4
Displacement2.5 L
Drivetrain
Drive TypeAWD
Transmission
TransmissionAutomatic 6-speed
Fuel Economy
City19 MPG
Highway25 MPG
Combined21 MPG
Recommended FuelRegular Gasoline
Tank Capacity16.5 gal
Tires & Wheels
Wheels Front16-in. polished aluminum alloy
Wheels Rear16-in. polished aluminum alloy
Tires FrontP235/70R16
Tires RearP235/70R16
Dimensions & Weight
Length175.5 in
Width81.3 in
Height67.9 in
Wheelbase103.1 in
Front Track60.7 in
Rear Track60.2 in
Ground Clearance8.4 in
Cargo Volume29.2 ft³
Curb Weight3,341 lbs
Interior
Headroom Front39.3 in
Headroom Rear37.5 in
Legroom Front41.6 in
Legroom Rear35.6 in
Shoulder Room Front56.6 in
Shoulder Room Rear55.9 in
Hip Room Front53.4 in
Hip Room Rear49.1 in
* Amount adjusted for inflation to 2026 dollars

Safety & Recalls

NCAP safety ratings

Overall Not rated
Frontal crash Not rated
Frontal – driver ★★★★★
Frontal – passenger ★★★★★
Side crash Not rated
Rollover ★★★★★ (20.4 % risk)
Tested variant: 2009 Mercury Mariner 4-DR. w/SAB

Recalls

2 recalls on file with NHTSA for the 2009 Mercury MARINER. Not every recall applies to every trim or VIN — check yours at nhtsa.gov/recalls.

Jun 3, 2015 · SUSPENSION:FRONT:WHEEL BEARING

The Timken Company (Timken) is recalling certain aftermarket front wheel bearings, part number 510072, sold from January 22, 2015, to May 21, 2015, to be used as service parts on 2001-2012 Ford Escape, 2001-2011 Mazda Tribute, and 2005-2011 Mercury Mariner vehicles. The affected wheel bearings have incorrect dimensions of a 42mm bore, 76mm outer dimension, and 39mm width, instead of a 42mm bore, 78mm outer dimension and a 45mm width.

Consequence: Use of an incorrectly sized wheel bearing can adversely affect the braking and steering of the vehicle, increasing the risk of a crash.

Remedy: Timken has begun notifying distributors who will offer purchasers replacement wheel bearings, free of charge. The recall began on May 21, 2015. Owners may contact Timken customer service at 1-866-984-6536.

NHTSA campaign 15E045000

May 29, 2014 · STEERING:ELECTRIC POWER ASSIST SYSTEM

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.

Consequence: 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.

NHTSA campaign 14V284000

315 owner complaints to NHTSA for the 2009 Mercury MARINER

Owner Complaints

315 owner complaints filed with NHTSA for the 2009 Mercury MARINER (9 mention a crash, 3 an injury). See all on nhtsa.gov

Most-cited areas
Steering167
Engine53
Power Train44
Vehicle Speed Control41
Electrical System22
Fuel System15
A complaint can cite more than one area.
Most recent complaints
Apr 11, 2026 · Steering, Wheels
“My vehicle was returned to me following a torque sensor replacement on 4/9/2026 in poor condition (locked steering and a catastrophic gash in the driver-side tire) rendering it undrivable and unsafe…”
Mar 2, 2026 · Steering
“The contact owns a 2009 Mercury Mariner. The contact stated that while driving at undisclosed speeds on several occasions, the steering wheel started shaking abnormally. The contact added that on…”
Feb 21, 2026 · Steering
“My steering has been locking while I am driving and causing loss of steering and control of car. I have contacted crossroads dealer and I have not gotten a response as I am now aware there has been a…”
Jan 30, 2026 · Steering
“The power steering stopped working. A note did appear to let me know it wasn’t working. I took it in to the mechanic and he confirmed the power steering wasn’t working.”
Jul 17, 2025 · Suspension, Structure, Wheels Crash
“Drivers rear shock rusted off the wheel well causing wheel to snap and metal frame to hit the ground while I was traveling 40 mph. At this time the other wheels locked up and started squealing causing…”

Complaints are unverified reports submitted to NHTSA by owners. They cover the whole model year, not a specific trim, and a count alone doesn't show how common a problem is.

Source: US National Highway Traffic Safety Administration (nhtsa.gov), matched as 2009 MERCURY MARINER. US-market vehicles only; data cached for up to 7 days.

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