2007 Mercury Mariner Problems & Reliability

If you’re in the market for a used SUV or just a car enthusiast curious about the quirks of older models, the 2007 Mercury Mariner might have caught your eye. This compact SUV, a sibling to the Ford Escape and Mazda Tribute, was designed to offer a blend of style, comfort, and practicality. But like any vehicle that’s been around for a while, it has its share of stories to tell—some good, some not so much. In this post, we’ll dive into the common problems reported by owners of the 2007 Mercury Mariner and take a closer look at its overall reliability. Whether you’re considering buying one or just want to know more about this mid-2000s ride, we’ve got you covered. The 2007 Mercury Mariner was praised for its smooth ride and spacious interior, making it a popular choice for families and adventurers alike. However, as with any vehicle, time has revealed a few bumps in the road. From transmission issues to electrical gremlins, we’ll explore the most frequently reported problems and what they mean for potential buyers. But don’t worry—it’s not all doom and gloom. We’ll also highlight the aspects of the Mariner that have stood the test of time, offering a balanced view of its reliability. So, buckle up and join us as we navigate the ins and outs of the 2007 Mercury Mariner!
Body Components

Parts Assessed:

Windows, power locks, manual locks, doors, trunk, tailgate, mirrors, power and manual seat controls, seat belts, sunroof, convertible top, glass defects.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Brake pads, brake rotors, brake calipers, anti-lock braking system (ABS), brake lines, brake master cylinder, brake booster, parking brake, brake sensors, regenerative braking system (if applicable).

Reported Problems:

  • Coolant Pump on Hybrid May Fail and Cause CEL/Engine Shutdown

Analysis:

The 2007 Mercury Mariner has some reliability issues, particularly with the coolant pump on the hybrid model. This problem can lead to the check engine light coming on and potentially cause the engine to shut down, which is definitely something to keep an eye on. While it’s not a deal-breaker, it’s worth considering if you’re thinking about the overall dependability of this vehicle.

Parts Assessed

Air conditioning compressor, AC condenser, AC evaporator, heater core, blower motor, automatic climate control system, refrigerant leaks, HVAC electrical components, temperature sensors, ventilation system.

Reported Problems:

  • Blower Motor Only Works on High

Analysis:

The 2007 Mercury Mariner seems to have a common issue where the blower motor only works on the high setting. This problem is often linked to a faulty blower motor resistor, which is a relatively inexpensive fix. While its a bit of an inconvenience, its not a deal-breaker for the overall reliability of the vehicle.

Parts Assessed

CV joints, driveshaft, axles, differential, limited-slip differential (if applicable), traction control system, electronic stability control (ESC), four-wheel-drive (4WD) components, all-wheel-drive (AWD) components, transfer case, driveline vibration.

Reported Problems:

  • Check Engine Light Illumination

Analysis:

The 2007 Mercury Mariner seems to have a recurring issue with the check engine light illuminating, which can be a bit of a headache for owners. This problem often points to various underlying issues, from minor sensor glitches to more significant engine troubles. While it’s not uncommon for older vehicles to have this issue, it’s something to keep an eye on if you’re considering this model.

Parts Assessed

Infotainment system, GPS navigation, Bluetooth connectivity, touchscreen display, phone pairing, backup camera, rear entertainment system, head-up display, instrument cluster, digital gauges.

Reported Problems:

  • Transmission Fluid Leaks from Transmission Oil Cooler

Analysis:

The 2007 Mercury Mariner has had some issues with transmission fluid leaks from the transmission oil cooler, which can be a bit of a headache for owners. While this problem isn’t universal, it’s something to keep an eye on if you’re considering this vehicle. Overall, the Mariner is generally reliable, but like any car, it has its quirks that might require some attention.

Parts Assessed

Radiator, radiator hoses, cooling fan, water pump, thermostat, antifreeze leaks, engine coolant reservoir, overheating prevention system, intercooler (if applicable).

Reported Problems:

  • Knock Noise from Steering When Turning, Going Over Bumps

Analysis:

The 2007 Mercury Mariner seems to have some issues with a knock noise coming from the steering when turning or going over bumps. This could indicate potential problems with the steering components or suspension system, which might affect the overall reliability of the vehicle. If you’re considering this model, it might be worth getting it checked out by a mechanic to ensure everything is in good shape.

Parts Assessed

Alternator, battery, ignition switch, ignition coil, spark plugs, ignition wires, engine control module (ECM), electronic ignition system, auto stop/start function, battery cables, engine wiring harness, fuse box, relays, starter motor.

Reported Problems:

  • Hard driving conditions may cause rear motor mount to crack

Analysis:

The 2007 Mercury Mariner has a few reliability concerns, especially when it comes to hard driving conditions. One notable issue is that the rear motor mount may crack under stress, which could lead to further mechanical problems if not addressed. While it’s generally a decent vehicle, it’s important to keep an eye on this specific issue to maintain its overall performance.

Parts Assessed

Engine rebuilds, cylinder head, head gasket, timing chain, timing belt, camshaft, crankshaft, connecting rods, turbocharger or supercharger (if applicable), valve train, piston rings, oil control system, engine knocking, engine misfires.

Reported Problems:

  • Squeaking Noise over Bumps in Rear

Analysis:

The 2007 Mercury Mariner seems to have a common issue with a squeaking noise coming from the rear when going over bumps. While this might be annoying, it doesn’t necessarily indicate a major reliability problem, but it could point to worn-out suspension components or bushings that might need attention. Overall, addressing this issue promptly can help maintain the vehicle’s reliability and ensure a smoother ride.

Parts Assessed

Muffler, catalytic converter, exhaust manifold, heat shields, exhaust pipes, oxygen (O₂) sensors, resonator, exhaust leaks, emissions control system.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Fuel pump, fuel injectors, fuel rail, fuel pressure regulator, throttle body, fuel gauge sensor, evaporative emissions system, EGR (exhaust gas recirculation) valve, charcoal canister, fuel filter, fuel tank, vapor leaks.

Reported Problems:

N/A

Analysis:

No major problem has been reported

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Onboard Electronics

Parts Assessed

Cruise control, keyless entry system, push-button start, wiper motor, warning lights, power mirrors, interior lighting, exterior lighting, dashboard indicators, electronic parking brake, tire pressure monitoring system (TPMS), alarm and security system, remote engine start, heated and ventilated seats, heated steering wheel, wireless charging pad.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Dashboard rattles, squeaks, wind noise, door seals, weather stripping, water leaks, air leaks, excessive road noise, suspension noise, drivetrain noise, exhaust rattles, engine bay noises.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Paint durability, clear coat protection, rust prevention, corrosion resistance, body panel alignment, door seals, window trim, plastic trim, metal finishes, fading, cracking, peeling.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Struts, shocks, control arms, sway bars, ball joints, tie rods, wheel bearings, power steering pump, power steering fluid leaks, electronic power steering (EPS), steering rack and pinion, steering linkage, alignment issues, torsion bars, springs, air suspension (if applicable).

Reported Problems:

N/A

Analysis:

No major problem has been reported

Parts Assessed

Transmission rebuild, transmission replacement, torque converter, transmission solenoids, gear selector, gear shifting, transmission control module (TCM), transmission fluid leaks, clutch (manual transmission), automatic transmission valve body, CVT (continuously variable transmission) components, dual-clutch transmission (DCT) components.

Reported Problems:

N/A

Analysis:

No major problem has been reported

Conclusion

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