How many complaints have been filed for the 2009 Mercury Mountaineer?

8 consumer complaints have been filed with NHTSA for the 2009 Mercury Mountaineer.

Are there technical service bulletins (TSBs) for the 2009 Mercury Mountaineer?

There are 17 technical service bulletins (TSBs) on file with NHTSA for the 2009 Mercury Mountaineer.

2009 Mercury Mountaineer Service and Repair Manual

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Factory-Grade Data

The 2009 Mercury Mountaineer Service and Repair Manual is a practical, workshop-ready reference for maintenance, diagnostics, and repairs. Use it to troubleshoot symptoms, follow step-by-step procedures, verify specifications, and confirm wiring and connector locations before replacing parts.

Ideal for technicians and DIY owners, it supports everything from routine service to deeper mechanical and electrical work—including drivability, no-start, warning lights, overheating, brake and suspension issues, HVAC faults, and circuit testing.

Trims covered

Base Sport Utility 4-Door
Premier Sport Utility 4-Door

Engines covered

4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated
4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated

What’s inside

Body
Brakes
Chassis Electrical
Driveline
Engine Cooling
Engine Electrical
Engine Mechanical
Engine Performance & Emission Controls
Fuel System
General Information & Identification
Heating, Ventilation, & Air Conditioning
Hybrid & Electric Vehicle Systems
Steering
Suspension
Transmission, Clutch, & Transfer Case
Wiring Diagrams

Why this manual matters

Faster diagnostics with system-based troubleshooting and wiring diagrams
Clear procedures and reference sections to reduce guesswork and rework
Helpful for maintenance planning and verifying parts/specs before repairs

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Vehicle Safety Data

2009 Mercury Mountaineer Recalls & Complaints

No active recalls The 2009 Mercury Mountaineer has no recalls on file with NHTSA.

TSB #10254138

All accessory stick-on keyless entry keypads come with a wallet card containing the master code. If the accessory keypad was factory installed, this card will be placed in the glove box and should be handed to the vehicles owner during ini

TSB #10156863

Some 2000 and newer Ford, Lincoln and Mercury vehicles equipped with aluminum body panels may exhibit corrosion concerns appearing as bubbled and/or peeling paint with or without accompanying white dust. Panel replacement is recommended. Fo

TSB #10155551

TSB #10148819

This SKU is a front upper ball joint. The Customer communication requested return of unsold inventory to inspect for ball studs with excessive rotational friction in the ball joint assembly. Excessive friction in the ball joint assembly may

TSB #10143079

Various vehicles equipped with a 4.6L, 5.4L, 6.8L modular 3 valve engine built on or before 8-Jan-2016 may exhibit symptoms that may include upper end engine noise, rough running, misfire and/or engine damage. If diagnosis leads to only cam

TSB #10140323

The Accessory (Wireless) Keyless Entry Keypad can only be used with vehicles that are factory built with Remote Keyless Entry (RKE). The master code for the Accessory (Wireless) Keyless Entry Keypad can be retrieved from FMCDealer - Parts a

TSB #10138524

TSB #10137113

Replacing the original equipment SYNC/Navigation system with either an aftermarket SYNC/Navigation kit or modifying original SYNC/Navigation parts to provide additional features is not recommended nor supported on any Ford, Mercury or Linco

Showing the 8 most recent of 17 technical service bulletins on file with NHTSA.

20221117Component: SERVICE BRAKES

The contact owns a 2009 Mercury Mountaineer. The contact stated while making a left or right turn, she heard an abnormal noise, and the steering wheel became difficult to turn. The contact stated that

20221117Component: STEERING

20180303Component: UNKNOWN OR OTHER

MUFFLER. STILL HAS BAFFLES AND DAMPERS. CATALYTIC CONVERTER IS STILL ATTACHED. NOT LOUD OR OBNOXIOUS. DUE TO HAVING A 3IN IN DIAMETER TAIL PIPE. I WAS FAILED. I WAS APPROVED FOR THE LAST 8 YEARS AT DI

20150324Component: SEATS

TL*THE CONTACT OWNS A 2009 MERCURY MOUNTAINEER. THE CONTACT STATED THAT WHEN THE KEY WAS INSERTED IN THE IGNITION SWITCH TO START THE VEHICLE, THE POWER SEAT FAILED TO MOVE FORWARD FROM THE EASY EXIT

20140519Component: SEATS

HAVE A 2009 MERCURY MOUNTAINEER WITH 71,000 MILES. IN THE PAST 10 DAYS, HAVE HAD FOUR INCIDENTS WHERE, WHILE DRIVING, THE DRIVER'S SIDE POWER FRONT SEAT HAS SUDDENLY REVERTED TO THE EASY EXIT POSITI

Showing the 5 most serious of 8 complaints filed with NHTSA.

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