Segment:
Full-Size Luxury Sedan
Competitors:
Buick LeSabre, Cadillac DeVille, Chevrolet Impala, Chrysler 300M
Vehicle Philosophy:
Comfort-oriented, spacious, rear-wheel-drive American sedan with a focus on quiet ride and traditional V8 power.
Advantage Over Print:
Instant access, searchability, multimedia integration (potentially), lower cost, always up-to-date content (compared to static print).
Coverage Scope:
Comprehensive Service and Repair
Estimated Page Count:
Extensive (Digital - Content equivalent to multiple printed volumes)
Type:
Software/Online Service and Repair Manual
Format:
Web-based Software (Accessible via PC, Laptop, Smartphone, Tablet with internet)
Powertrain:
Engine, Transmission, Drivetrain, Fuel System, Cooling System, Exhaust System
Chassis:
Suspension (Front & Rear), Steering, Brakes (Front & Rear, ABS), Wheels, Tires
Electrical:
Body Electrical, Powertrain Control Module (PCM), Lighting, Instruments, Audio System, Power Accessories, Wiring Diagrams
Climate Control:
Heating, Ventilation, and Air Conditioning (HVAC) System
Body:
Body Panels, Interior Trim, Doors, Glass, Bumpers, Frame
Maintenance:
Scheduled Maintenance, Fluid Changes, Filter Replacements, Lubrication
Repair:
Component Replacement, Overhaul Procedures, Component Diagnosis
Diagnostics:
Troubleshooting Guides, Diagnostic Trouble Codes (DTCs), Symptom-based Diagnostics
Specifications:
Torque Specifications, Clearances, Pressures, Voltages, Resistance Values
Depth:
Factory-Level Technical Information for Professional Technicians and Advanced DIYers
Detail Level:
Step-by-step repair instructions with detailed diagrams and illustrations
Engine Type:
4.6L V8 (32-Valve DOHC 'Intech' V8)
Engine Code:
A (PFI - Port Fuel Injection)
Horsepower:
239 HP @ 4,700 RPM (SAE Net)
Torque:
287 lb-ft @ 4,000 RPM (SAE Net)
Injection Type:
Sequential Electronic Fuel Injection (SEFI)
Coolant Capacity:
11.0 Quarts (10.4 Liters)
Emission System:
California Emission System (where applicable), Federal Emission System
Transmission Type:
4-Speed Automatic Overdrive
Transmission Model:
4R70W (or similar variant)
Drive Type:
Rear-Wheel Drive (RWD)
Transmission Fluid Type:
MERCON V Automatic Transmission Fluid
Transmission Fluid Capacity:
Approximately 10.5 Quarts (9.9 Liters) for a complete fluid service (check dipstick)
Wheelbase:
114.7 inches (2913 mm)
Overall Length:
212.4 inches (5395 mm)
Overall Width:
78.1 inches (1984 mm)
Overall Height:
59.1 inches (1501 mm)
Curb Weight:
Approximately 4,074 lbs (1,848 kg)
Gross Vehicle Weight Rating:
Approximately 5,350 lbs (2,427 kg)
Trunk Volume:
20.6 cubic feet (583 Liters)
NHTSA Driver Front Impact:
5-Star (for 2004 model year as tested)
NHTSA Passenger Front Impact:
5-Star (for 2004 model year as tested)
IIHS Frontal Offset Score:
Good (for models tested)
Braking System:
Four-wheel power disc brakes with Anti-lock Braking System (ABS)
Traction Control:
Optional Traction Assist System (TRAX)
Airbags:
Dual-stage front airbags for driver and front passenger, available side-impact airbags
Seatbelts:
Height-adjustable front seatbelts with pretensioners, rear seat lap and shoulder belts
Audio System:
Standard AM/FM/CD Player, optional premium audio systems with cassette player and external CD changer.
Display:
Analog gauges, LCD message center in instrument cluster.
Cruise Control:
Standard electronic cruise control
Remote Keyless Entry:
Standard or optional, depending on trim level
Climate Control Type:
Manual or optional Automatic Temperature Control (ATC)
Oil Change Interval:
Every 5,000 miles (8,000 km) or 6 months, whichever comes first (with conventional oil); consult manual for synthetic oil recommendations.
Tire Rotation:
Every 5,000 miles (8,000 km)
Air Filter Replacement:
Every 30,000 miles (48,000 km) or as needed based on inspection.
Spark Plug Replacement:
Typically around 100,000 miles (160,000 km) for iridium spark plugs (refer to specific plug type).
Engine Oil Type:
SAE 5W-20 (preferred) or SAE 5W-30 API Certified
Engine Oil Capacity:
6 Quarts (5.7 Liters) with filter change
Coolant Type:
Ford Premium Engine Coolant (Yellow)
Common Complaints:
Front suspension wear (ball joints, tie rods), ignition coil failure, rear main seal leaks, potential transmission issues (depending on maintenance).
Common Fixes:
Replacement of worn suspension components, ignition coil replacement, proactive seal replacement.
Heritage:
Mercury was a division of Ford Motor Company, positioned as a premium brand between Ford and Lincoln.
Generation:
Fourth Generation Grand Marquis (body-on-frame, based on the Ford Crown Victoria/Mercury Marauder platform)
Updates For 2004:
Minor styling tweaks, revised suspension tuning for improved handling, updated interior features, and introduction of optional THUMS UP steering wheel.
Manufacturing Location:
St. Thomas, Ontario, Canada
Production Years For This Gen:
1998-2002 (body style), 2003-2011 (facelifted version)
