Positioning:
        
        
            A comfortable, spacious, and value-oriented sedan offering a blend of Ford Taurus underpinnings with distinct Mercury styling and features.
        
     
    
    
        
            Competitors:
        
        
            Chevrolet Impala, Toyota Avalon, Buick LaCrosse, Chrysler 300
        
     
    
    
        
            Interior:
        
        
            Spacious cabin, comfortable seating, user-friendly dashboard layout
        
     
    
        
            Performance:
        
        
            Smooth ride, adequate power from V6 engine, confident handling
        
     
    
        
            Design:
        
        
            Distinctive Mercury grille, chrome accents, upscale yet understated styling
        
     
 
    
    
    
        
             Powertrain:
        
        
            Engine mechanical, engine performance, fuel system, exhaust system, cooling system, lubrication system, starting system, charging system
        
     
    
        
            Transmission:
        
        
            Automatic transmission (AX4N/4F50N), removal, installation, overhaul, diagnostics, fluid specifications
        
     
    
        
            Drivetrain:
        
        
            Front-wheel drive, CV axles, differential
        
     
    
        
            Suspension:
        
        
            Front and rear suspension, struts, shocks, control arms, ball joints, bushings, steering linkage, wheel alignment
        
     
    
        
            Brakes:
        
        
            Front and rear brakes, disc brakes, ABS, EBD, hydraulic system, service and repair procedures
        
     
    
        
            Steering:
        
        
            Power steering system, steering column, rack and pinion, hydraulic pump
        
     
    
        
            Electrical System:
        
        
            Battery, alternator, starter, ignition system, lighting, power windows, power locks, body control module (BCM), fuse panel layout, wiring diagrams
        
     
    
        
            HVAC:
        
        
            Heating, ventilation, and air conditioning system, refrigerant handling, compressor, evaporator, condenser, blower motor
        
     
    
        
            Body And Frame:
        
        
            Exterior panels, doors, windows, interior trim, chassis components, body repair
        
     
    
        
            Restraint Systems:
        
        
            Airbag system, seat belts, SRS module
        
     
    
        
            Diagnostics:
        
        
            OBD-II diagnostics, trouble codes (DTCs), diagnostic procedures, scan tool usage
        
     
    
    
        
            Maintenance:
        
        
            Oil changes, filter replacements, fluid checks and changes, spark plug replacement, belt inspection and replacement
        
     
    
        
            Repair:
        
        
            Engine component replacement (e.g., water pump, thermostat, alternator), transmission overhaul, brake caliper replacement, suspension component replacement
        
     
    
        
            Troubleshooting:
        
        
            Step-by-step diagnostic guides for common and complex issues, symptom-based troubleshooting trees
        
     
    
        
            Specifications:
        
        
            Torque specifications for fasteners, engine data, fluid capacities, electrical specifications
        
     
    
        
            Wiring Diagrams:
        
        
            Detailed electrical schematics for all major systems, component location charts
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including advanced diagnostics and electrical troubleshooting.
        
     
 
    
    
    
        
            NHTSA Front Driver Impact:
        
        
            5-Star
        
     
    
        
            NHTSA Front Passenger Impact:
        
        
            5-Star
        
     
    
        
            NHTSA Side Driver Impact:
        
        
            5-Star
        
     
    
        
            NHTSA Side Rear Passenger Impact:
        
        
            5-Star
        
     
    
        
            IIHS Front Overlap Crash Test:
        
        
            Good
        
     
    
        
            IIHS Side Impact Crash Test:
        
        
            Good
        
     
    
    
        
            Traction Control:
        
        
            Standard
        
     
    
        
            Electronic Stability Control:
        
        
            Standard (AdvanceTrac)
        
     
    
        
            Anti Lock Braking System:
        
        
            Standard (ABS)
        
     
    
    
    
        
            Airbags:
        
        
            Front airbags, front side-impact airbags, full-length side curtain airbags
        
     
    
        
            Seat Belts:
        
        
            Three-point seat belts with pretensioners and load limiters
        
     
    
        
            Child Seat Anchors:
        
        
            LATCH system
        
     
 
    
    
    
        
            Oil Change Interval:
        
        
            Every 5,000 to 7,500 miles (8,000 to 12,000 km) or 6 months, whichever comes first. Consult manual for severe driving conditions.
        
     
    
        
            Engine Air Filter Replacement:
        
        
            Inspect every 15,000 miles (24,000 km), replace as needed. Typically every 30,000 miles (48,000 km).
        
     
    
        
            Cabin Air Filter Replacement:
        
        
            Inspect every 15,000 miles (24,000 km), replace as needed. Typically every 15,000-30,000 miles (24,000-48,000 km).
        
     
    
        
            Transmission Fluid Change Interval:
        
        
            Refer to owner's manual, generally around 60,000 to 100,000 miles (96,000 to 160,000 km) depending on driving conditions.
        
     
    
        
            Coolant Change Interval:
        
        
            Initial change at 100,000 miles (160,000 km), then every 50,000 miles (80,000 km).
        
     
    
    
        
            Engine Oil Type:
        
        
            SAE 5W-20, meeting Ford WSS-M2C153-H or API certified.
        
     
    
        
            Engine Oil Capacity:
        
        
            5.5 quarts (5.2 liters) with filter change for 3.0L V6.
        
     
    
        
            Coolant Type:
        
        
            Ford Premium Gold Concentrated or Gold concentrated antifreeze/coolant (ethylene glycol based).
        
     
    
    
        
            Power Steering Fluid Type:
        
        
            MERCON V or MERCON LV (refer to owner's manual, may vary)
        
     
    
    
        
            Transmission:
        
        
            Some reports of premature wear or shifting issues in earlier versions of the 6F50 transmission, though generally robust for the 2009 model year.
        
     
    
        
            Suspension:
        
        
            Potential for worn front control arm bushings or ball joints leading to noise or steering looseness.
        
     
    
        
            Electrical:
        
        
            Occasional issues with power window regulators or body control module (BCM) related glitches.
        
     
    
        
            HVAC:
        
        
            Common issues can include evaporator leaks or blend door actuator failures.
        
     
 
    
    
    
        
            Brand Legacy:
        
        
            Mercury, a division of Ford Motor Company, was positioned as a premium brand offering stylish and comfortable vehicles.
        
     
    
    
        
            Previous Generation:
        
        
            The 2009 Sable is the second generation, based on the Ford Five Hundred/Taurus platform, significantly restyled and updated from the first generation Mercury Montego.
        
     
    
        
            Key Changes 2009:
        
        
            The 2009 model received a minor refresh, including revised styling cues and updated interior materials. The powertrain remained largely the same, with the introduction of the 6-speed automatic transmission improving fuel economy.
        
     
    
    
        
            Production Plant:
        
        
            Chicago Assembly Plant, Illinois
        
     
    
        
            Production Years:
        
        
            2008-2009 (Mercury Sable nameplate)
        
     
    
        
            Discontinuation Reason:
        
        
            Discontinuation of the Mercury brand by Ford Motor Company at the end of the 2011 model year.