2010 Mercury Mariner Service and Repair Manual

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Factory-Grade Data

The 2010 Mercury Mariner 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
  • Hybrid Sport Utility 4-Door
  • Premier Sport Utility 4-Door

Engines covered

  • 2.5L 2488CC 152Cu. In. l4 FULL HYBRID EV-GAS (FHEV) DOHC Naturally Aspirated
  • 2.5L 2488CC 152Cu. In. l4 GAS DOHC Naturally Aspirated
  • 3.0L 2968CC 181Cu. In. V6 FLEX DOHC Naturally Aspirated
  • 3.0L 2968CC 181Cu. In. V6 GAS DOHC 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

2010 Mercury Mariner Recalls & Complaints

NHTSA #16V77700026/10/2016Component: FUEL SYSTEM, GASOLINE:DELIVERY:FUEL PUMP

Ford Motor Company (Ford) is recalling certain model year 2010-2012 Ford Escape vehicles manufactured February 26, 2009, to April 29, 2012, and 2010-2011 Mercury Mariner vehicles manufactured February

Consequence

A fuel leak in the presence of an ignition source increases the risk of a fire.

Remedy

Ford will notify owners, and dealers will replace the FDM flange with one that has a redesigned fuel

TSB #10205008

6F35 Transmission - Fluid leak at left side halfshaft seal - built on or before 10/14/2013

TSB #10177598

These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts

TSB #10177599

These SKUs are Exhaust Manifolds with Catalytic Converters. The customer communication requested return of unsold inventory due to a loss of CARB certification. These SKUs can no longer be sold as they do not meet CARB standards, but parts

TSB #10164508

Some 2010-2020 vehicles may exhibit distorted glass with a subtle orange peel pattern or streaking etched into the surface. This is caused by hydrofluoric acid which is used in some car wash solutions as a cleaning agent. Hydrofluoric acid

TSB #10160931

On vehicles equipped with an automatic transmission it is imperative that the converter pilot hub be greased with Motorcraft Multi-Purpose Grease Spray XL-5-A even if grease was not applied from the factory. Also verify that the engine/tran

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

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 #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 34 technical service bulletins on file with NHTSA.

20141118Component: STEERINGCrash reported2 injured

ON THAT DATE, I WAS DRIVING HOME WITH MY WIFE AT APPROXIMATELY 2 PM. SUDDENLY, THE CAR WENT OFF AND THE STEERING WHEEL WENT STIFF. AS I TRIED TO MOVE UNSUCCESSFULLY, WE WENT DOWN TO A SLOPE OF ABOUT

20141118Component: ELECTRICAL SYSTEMCrash reported2 injured

ON THAT DATE, I WAS DRIVING HOME WITH MY WIFE AT APPROXIMATELY 2 PM. SUDDENLY, THE CAR WENT OFF AND THE STEERING WHEEL WENT STIFF. AS I TRIED TO MOVE UNSUCCESSFULLY, WE WENT DOWN TO A SLOPE OF ABOUT

20141118Component: VEHICLE SPEED CONTROLCrash reported2 injured

ON THAT DATE, I WAS DRIVING HOME WITH MY WIFE AT APPROXIMATELY 2 PM. SUDDENLY, THE CAR WENT OFF AND THE STEERING WHEEL WENT STIFF. AS I TRIED TO MOVE UNSUCCESSFULLY, WE WENT DOWN TO A SLOPE OF ABOUT

20190901Component: SEAT BELTSCrash reported

TAKATA RECALL HAD JUST STOPPED AT A RED LIGHT WHEN THE CAR BEHIND ME RAN INTO ME. THE SPEED LIMIT ON THAT ROAD IS 60 MPH , BUT SURE HOW FAST HE WAS GOING WHEN HE HIT US. BUT, IMMEDIATELY AFTER IMPACT

20180723Component: POWER TRAINFire reported

TL* THE CONTACT OWNS A 2010 MERCURY MARINER WHICH WAS BEING TOWED BY A 2004 FLEETWOOD TIOGA MONTARA. WHILE DRIVING APPROXIMATELY 60 MPH, THE CONTACT NOTICED SMOKE COMING FROM THE HOOD. THE MOTOR HOME

Showing the 5 most serious of 393 complaints filed with NHTSA.

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