2007 Mercury Mariner

The 2007 Mercury Mariner is a mid-size SUV that offers a comfortable and spacious interior. It comes standard with a 3.0L V6 engine that produces 203 horsepower and 207 lb-ft of torque. A 4.0L V6 engine that produces 253 horsepower and 260 lb-ft of torque is also available. Both engines are paired with a 5-speed automatic transmission. The Mariner is praised for its comfortable ride, spacious interior, and powerful engines. However, it has been criticized for its lack of fuel efficiency and some reliability issues.

Engine

3.0L V6

• Intake Manifold Runner Control (IMRC) Valve Failure: Description/Symptoms: The IMRC valve is a small plastic component that controls the flow of air into the engine. When it fails, it can cause the engine to lose power, stall, or run roughly. Solution: The IMRC valve must be replaced. Estimated Cost to Fix: $200 - $400+

4.0L V6

• Timing Chain Guide Failure: Description/Symptoms: The timing chain guide is a metal component that keeps the timing chain in place. When it fails, it can cause the timing chain to skip and damage the engine. Solution: The timing chain guide and timing chain must be replaced. Estimated Cost to Fix: $1,000 - $2,000+

Transmission

5-Speed Automatic

• Torque Converter Shudder: Description/Symptoms: The torque converter is a component that transfers power from the engine to the transmission. When it fails, it can cause the transmission to shudder when shifting gears. Solution: The torque converter must be replaced. Estimated Cost to Fix: $800 - $1,200+
• Transmission Leak: Description/Symptoms: The transmission may leak fluid from the pan, lines, or seals. Solution: The leak must be repaired by replacing the faulty component. Estimated Cost to Fix: $200 - $600+

Suspension

• Front Strut Mount Failure: Description/Symptoms: The front strut mount is a rubber component that connects the strut to the chassis. When it fails, it can cause the strut to make noise, handle poorly, or cause the vehicle to pull to one side. Solution: The front strut mount must be replaced. Estimated Cost to Fix: $200 - $400+
• Rear Shock Absorber Failure: Description/Symptoms: The rear shock absorber is a hydraulic component that dampens the suspension. When it fails, it can cause the rear of the vehicle to bounce excessively or handle poorly. Solution: The rear shock absorber must be replaced. Estimated Cost to Fix: $200 - $400+

Electrical

• Battery Drain: Description/Symptoms: The battery may drain prematurely, even when the vehicle is not in use. Solution: The electrical system must be inspected to identify the source of the drain and repair it. Estimated Cost to Fix: $100 - $300+
• Alternator Failure: Description/Symptoms: The alternator is a component that charges the battery. When it fails, it can cause the battery to discharge and the vehicle to lose power. Solution: The alternator must be replaced. Estimated Cost to Fix: $400 - $600+

Exterior

• Fog Light Lens Cracking: Description/Symptoms: The fog light lenses may crack or break, allowing moisture to enter the housing. Solution: The fog light lenses must be replaced. Estimated Cost to Fix: $100 - $200+

Interior

• Dashboard Rattle: Description/Symptoms: The dashboard may rattle or make noise while driving. Solution: The dashboard must be inspected to identify the source of the rattle and repair it. Estimated Cost to Fix: $100 - $300+
• Seat Belt Buckle Failure: Description/Symptoms: The seat belt buckle may not latch properly or may release accidentally. Solution: The seat belt buckle must be replaced. Estimated Cost to Fix: $100 - $200+

Recalls

• NHTSA Campaign Number: 17V377000 Summary: Parking Brake Cable Anchor - Anchor may separate causing the parking brake to fail.
• NHTSA Campaign Number: 17V376000 Summary: Headlamp Switch - Headlamp switch may overheat causing the headlamps to not function.
• NHTSA Campaign Number: 12V181000 Summary: Windshield Wipers - Windshield wiper motor may fail
• NHTSA Campaign Number: 10V123000 Summary: Fuel System, Gasoline - Fuel tank may crack and leak fuel.

Summary The 2007 Mercury Mariner has received mixed reviews from owners. While it is praised for its comfortable ride, spacious interior, and powerful engines, it has also been criticized for its lack of fuel efficiency and some reliability issues. The most common issues reported by owners include engine and transmission problems, suspension issues, electrical problems, exterior issues, and interior issues. The severity of these issues varies, with some being minor and inexpensive to fix, while others can be major and expensive to repair. It is important to note that not all vehicles will experience all of these issues, and the overall reliability of the Mariner will vary depending on factors such as maintenance, driving habits, and mileage.